1
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Lin J, Peng F, Xie M, Xia J, Chang X, Zou C, Lu W. Dicationic Diimine Pt(II) Bis( N-heterocyclic allenylidene) Complexes: Extended Pt···Pt Chains, NIR Phosphorescence, and Chromonics. Inorg Chem 2023. [PMID: 37146284 DOI: 10.1021/acs.inorgchem.2c04159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Although square-planar Pt(II) complexes are well-known to self-assemble into supramolecules via noncovalent intermolecular Pt···Pt and/or π-π interactions, the self-assembly of dicationic Pt(II) complexes was scarce due to the electrostatic repulsive force. Herein, a series of dicationic diimine bis(N-heterocyclic allenylidene) Pt(II) complexes were synthesized and characterized. Close Pt···Pt and/or π-π contacts are observed in the crystals of these complexes. In particular, complexes 1·2PF6 and 2·2PF6 exhibit one-dimensional packing with extended Pt···Pt contacts of 3.302 and 3.240 Å, respectively. The photophysical properties of these complexes in the solution and solid state were investigated. NIR emission was recorded for complexes 1·2PF6 (λmax = 950 nm) and 2·2PF6 (λmax = 855 nm) in the solid state at 298 K. To explore the aggregate behaviors of these complexes, the counteranion PF6- was exchanged to the large lipophilic anion 2,3,4-tris(dodecyloxy)benzene sulfonate (LA-) and the hydrophilic anion Cl-. Complexes 1·2LA and 2·2LA or 1·2Cl and 2·2Cl could self-assemble with Pt···Pt and/or π-π interactions in the nonpolar or aqueous solutions as well. Further increasing the concentration of 1·2Cl and 2·2Cl in aqueous solution, chromonic mesophases with NIR emission (λmax = 988 nm) were obtained. DFT and TD-DFT calculations were performed to gain deep insight into the dication-dication packings and photophysical properties of the complexes. The σ-donating as well as π-accepting character of the N-heterocyclic allenylidene ligand endows complexes with rigid and electron-delocalized coplanar features, which are conducive to achieving the self-assembling processes associated with Pt···Pt and/or π-π interactions.
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Affiliation(s)
- Jinqiang Lin
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, Heilongjiang, P. R. China
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China
| | - Fei Peng
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China
| | - Mo Xie
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China
| | - Jiuxu Xia
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China
| | - Xiaoyong Chang
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China
| | - Chao Zou
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China
- Functional Coordination Material Group-Frontier Research Center, Songshan Lake Materials Laboratory, Dongguan 523808, Guangdong, P. R. China
| | - Wei Lu
- Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, Guangdong, P. R. China
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2
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Wan Q, Xiao K, Li Z, Yang J, Kim JT, Cui X, Che CM. Optical Signal Modulation in Photonic Waveguiding Heteroarchitectures with Continuously Variable Visible-To-Near-Infrared Emission Color. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2204839. [PMID: 36099543 DOI: 10.1002/adma.202204839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 09/02/2022] [Indexed: 06/15/2023]
Abstract
Photonic circuit systems based on optical waveguiding heteroarchitectures have attracted considerable interest owing to their potential to overcome the speed limitation in electronic circuits by modulating the optical signal at the micro- or nanoscale. However, controlling the parameters, including the wavelength and polarization of the light outcoupling, as well as the sequence among different building blocks, remains a key issue. Herein, supramolecular heteroarchitectures made by phosphorescent organometallic complexes of Pt, Pd, Cu, and Au are applied as photonic logic gates that show continuously variable emission colors from 475 to 810 nm, low waveguide losses down to 0.0077 dB µm-1 , and remarkable excitation-light polarization-dependent photoluminescence with anisotropy ratios up to 0.68. The sequences among Pt, Pd, Au, and Cu building blocks in the heteroarchitectures are controlled by living supramolecular polymerization or crystallization-driven self-assembly synthetic approaches. The results indicate the prospects for using organometallic complexes and supramolecular synthetic approaches to prepare photonic circuit systems with tunable emission color and controllable sequences among different blocks that achieve modulation of the optical signal in the visible-to-near-infrared spectral region.
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Affiliation(s)
- Qingyun Wan
- State Key Laboratory of Synthetic Chemistry, Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
| | - Ke Xiao
- Department of Physics, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
| | - Zongshang Li
- State Key Laboratory of Synthetic Chemistry, Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
| | - Jihyuk Yang
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
- Hong Kong Quantum AI Lab Limited Units 909-915, Building 17W, 17 Science Park West Avenue, Pak Shek Kok, Hong Kong SAR, China
| | - Ji Tae Kim
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
| | - Xiaodong Cui
- Department of Physics, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
| | - Chi-Ming Che
- State Key Laboratory of Synthetic Chemistry, Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China
- HKU Shenzhen Institute of Research and Innovation, Shenzhen, Guangdong, 518057, P. R. China
- Hong Kong Quantum AI Lab Limited Units 909-915, Building 17W, 17 Science Park West Avenue, Pak Shek Kok, Hong Kong SAR, China
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3
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Wang Z, Huang K, Wan X, Liu M, Chen Y, Shi X, Wang S. High‐Strength Plus Reversible Supramolecular Adhesives Achieved by Regulating Intermolecular Pt
II
⋅⋅⋅Pt
II
Interactions. Angew Chem Int Ed Engl 2022; 61:e202211495. [DOI: 10.1002/anie.202211495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Zhao Wang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CAS Center for Excellence in Nanoscience Key Laboratory of Photochemical Conversion and Optoelectronic Materials & CAS-HKU Joint Laboratory on New Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Kang Huang
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
- Laboratory of Theoretical and Computational Nanoscience Key Laboratory for Nanosystem and Hierarchy Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Xizi Wan
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CAS Center for Excellence in Nanoscience Key Laboratory of Photochemical Conversion and Optoelectronic Materials & CAS-HKU Joint Laboratory on New Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Mingqian Liu
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CAS Center for Excellence in Nanoscience Key Laboratory of Photochemical Conversion and Optoelectronic Materials & CAS-HKU Joint Laboratory on New Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Yong Chen
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CAS Center for Excellence in Nanoscience Key Laboratory of Photochemical Conversion and Optoelectronic Materials & CAS-HKU Joint Laboratory on New Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Xinghua Shi
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
- Laboratory of Theoretical and Computational Nanoscience Key Laboratory for Nanosystem and Hierarchy Fabrication CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Shutao Wang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CAS Center for Excellence in Nanoscience Key Laboratory of Photochemical Conversion and Optoelectronic Materials & CAS-HKU Joint Laboratory on New Materials Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
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4
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Jing J, Xu G, Zhang HH, Chen XH, Zhang DS, Han LZ, Qi XW, Shi ZF, Zhang XP. Enhanced circularly polarized luminescence in fluoro-substituted N^C^N-coordinating platinum(II) complexes. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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5
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Wang Z, Huang K, wan X, Liu M, Chen Y, Shi X, Wang S. High‐Strength Plus Reversible Supramolecular Adhesives Achieved by Regulating Intermolecular Pt(II)···Pt(II) Interactions. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202211495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zhao Wang
- Technical Institute of Physics and Chemistry Chinese Academy of Sciences: Technical Institute of Physics and Chemistry CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CHINA
| | - Kang Huang
- National Center for Nanoscience and Nanotechnology: National Center for Nanoscience and Technology CAS Center for Excellence in Nanoscience CHINA
| | - Xizi wan
- Technical Institute of Physics and Chemistry CAS: Technical Institute of Physics and Chemistry CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CHINA
| | - Mingqian Liu
- Technical Institute of Physics and Chemistry CAS: Technical Institute of Physics and Chemistry CAS Key Laboratory of Bio-inspired Materials and Interfacial Science CHINA
| | - Yong Chen
- Technical Institute of Physics and Chemistry CAS: Technical Institute of Physics and Chemistry Key Laboratory of Photochemical Conversion and Optoelectronic Materials & CAS-HKU Joint Laboratory on New Materials CHINA
| | - Xinghua Shi
- National Center for Nanoscience and Nanotechnology: National Center for Nanoscience and Technology CAS Center for Excellence in Nanoscience CHINA
| | - Shutao Wang
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences CAS Key Laboratory of Bio-inspired Materials and Interfacial Science 29 Zhongguancun East Road 100190 Beijing CHINA
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6
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Group 10 metal-cyanide scaffolds in complexes and extended frameworks: Properties and applications. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214310] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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7
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Basuyaux G, Amar A, Troufflard C, Boucekkine A, Métivier R, Raynal M, Moussa J, Bouteiller L, Amouri H. Cyclometallated Pt(II) Complexes Containing a Functionalized Bis‐Urea Alkynyl Ligand: Probing Aggregation Mediated by Hydrogen Bonds
versus
Pt⋅⋅⋅Pt and π−π Interactions. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Gaëtan Basuyaux
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire 4 place Jussieu 75005 Paris France
| | - Anissa Amar
- Laboratoire de Chimie et de Physique Quantiques Faculté des Sciences, U.M.M.T.O 15000 Tizi-Ouzou Algeria
| | - Claire Troufflard
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire 4 place Jussieu 75005 Paris France
| | - Abdou Boucekkine
- Univ. Rennes ISCR UMR 6226 CNRS Campus de Beaulieu 35042 Rennes Cedex France
| | - Rémi Métivier
- PPSM, ENS Paris-Saclay, CNRS Université Paris-Saclay 91190 Gif-sur-Yvette France
| | - Matthieu Raynal
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire 4 place Jussieu 75005 Paris France
| | - Jamal Moussa
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire 4 place Jussieu 75005 Paris France
| | - Laurent Bouteiller
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire 4 place Jussieu 75005 Paris France
| | - Hani Amouri
- Sorbonne Université CNRS Institut Parisien de Chimie Moléculaire 4 place Jussieu 75005 Paris France
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8
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Zhou XQ, Mytiliniou M, Hilgendorf J, Zeng Y, Papadopoulou P, Shao Y, Dominguez MP, Zhang L, Hesselberth MBS, Bos E, Siegler MA, Buda F, Brouwer AM, Kros A, Koning RI, Heinrich D, Bonnet S. Intracellular Dynamic Assembly of Deep-Red Emitting Supramolecular Nanostructures Based on the Pt…Pt Metallophilic Interaction. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2008613. [PMID: 34338371 DOI: 10.1002/adma.202008613] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 06/27/2021] [Indexed: 06/13/2023]
Abstract
Many drug delivery systems end up in the lysosome because they are built from covalent or kinetically inert supramolecular bonds. To reach other organelles, nanoparticles hence need to either be made from a kinetically labile interaction that allows re-assembly of the nanoparticles inside the cell following endocytic uptake, or, be taken up by a mechanism that short-circuits the classical endocytosis pathway. In this work, the intracellular fate of nanorods that self-assemble via the Pt…Pt interaction of cyclometalated platinum(II) compounds, is studied. These deep-red emissive nanostructures (638 nm excitation, ≈700 nm emission) are stabilized by proteins in cell medium. Once in contact with cancer cells, they cross the cell membrane via dynamin- and clathrin-dependent endocytosis. However, time-dependent confocal colocalization and cellular electron microscopy demonstrate that they directly move to mitochondria without passing by the lysosomes. Altogether, this study suggests that Pt…Pt interaction is strong enough to generate emissive, aggregated nanoparticles inside cells, but labile enough to allow these nanostructures to reach the mitochondria without being trapped in the lysosomes. These findings open new venues to the development of bioimaging nanoplatforms based on the Pt…Pt interaction.
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Affiliation(s)
- Xue-Quan Zhou
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, Leiden, 2333 CC, Netherlands
| | - Maria Mytiliniou
- Leiden Institute of Physics, Huygens-Kamerlingh Onnes Laboratory, Universiteit Leiden, Leiden, 2300 RA, The Netherlands
| | - Jonathan Hilgendorf
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, Leiden, 2333 CC, Netherlands
| | - Ye Zeng
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, Leiden, 2333 CC, Netherlands
| | - Panagiota Papadopoulou
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, Leiden, 2333 CC, Netherlands
| | - Yang Shao
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, Leiden, 2333 CC, Netherlands
| | - Maximilian Paradiz Dominguez
- Molecular Photonics Group, Van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam, Science Park 904, Amsterdam, 1098 XH, Netherlands
| | - Liyan Zhang
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, Leiden, 2333 CC, Netherlands
| | - Marcel B S Hesselberth
- Leiden Institute of Physics, Huygens-Kamerlingh Onnes Laboratory, Universiteit Leiden, Leiden, 2300 RA, The Netherlands
| | - Erik Bos
- Department of Cell and Chemical Biology, Leiden University Medical Center, Einthovenweg 20, Leiden, 2333 ZC, The Netherlands
| | - Maxime A Siegler
- Department of Chemistry, Johns Hopkins University, Baltimore, MD, 21218, USA
| | - Francesco Buda
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, Leiden, 2333 CC, Netherlands
| | - Albert M Brouwer
- Molecular Photonics Group, Van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam, Science Park 904, Amsterdam, 1098 XH, Netherlands
- Materials Department, Advanced Research Center for Nanolithography, Science Park 106, Amsterdam, 1098 XG, The Netherlands
| | - Alexander Kros
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, Leiden, 2333 CC, Netherlands
| | - Roman I Koning
- Department of Cell and Chemical Biology, Leiden University Medical Center, Einthovenweg 20, Leiden, 2333 ZC, The Netherlands
| | - Doris Heinrich
- Leiden Institute of Physics, Huygens-Kamerlingh Onnes Laboratory, Universiteit Leiden, Leiden, 2300 RA, The Netherlands
- Institute for Bioprocessing and Analytical Measurement Techniques, Rosenhof, 37308, Heilbad Heiligenstadt, Germany
- Faculty for Mathematics and Natural Sciences, Ilmenau University of Technology, 98693, Ilmenau, Germany
- Frauenhofer Attract 3DNanoCell, Fraunhofer Institute for Silicate Research ISC, 97082, Würzburg, Germany
| | - Sylvestre Bonnet
- Leiden Institute of Chemistry, Universiteit Leiden, Einsteinweg 55, Leiden, 2333 CC, Netherlands
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9
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10
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Zhang HH, Yang QY, Qi XW, Sun SS, Li BS, Zhang DS, Zhang XP, Shi ZF. Improved mechanochromism and mechanoluminescence in fluoro-substituted N^N^C-coordinating cyclometalated platinum(II) complexes. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Synthesis and UV-light induced oligomerization of a benzofulvene-based neutral platinum(II) complex. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110597] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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12
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Yoshida M, Hirao T, Haino T. Self-assembly of neutral platinum complexes possessing chiral hydrophilic TEG chains. Org Biomol Chem 2021; 19:5303-5311. [PMID: 33969859 DOI: 10.1039/d1ob00492a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Neutral platinum complexes that possess chiral triethylene glycol (TEG) moieties were synthesized. The platinum complexes formed helically twisted stacked assemblies in chloroform and toluene, which were studied by 1H NMR, UV/vis spectroscopy, and emission spectroscopy. On the other hand, emissive micellar aggregates were observed in a THF/water mixed solvent. Dynamic light scattering (DLS) experiments revealed that micellar aggregates with a diameter (d) of ≈100 nm emitted strong light, whereas the monomeric form and large aggregates (d > 500 nm) did not show luminescence efficiently. Furthermore, the micellar aggregates were twisted chirally, where the twisted direction was determined by the chirality of the TEG moieties. The assemblies were observed to be solvent responsive, which allows for the modulation of the nanostructure by changing the solvent polarity.
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Affiliation(s)
- Masaya Yoshida
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan.
| | - Takehiro Hirao
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan.
| | - Takeharu Haino
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan.
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13
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Kubota R, Tanaka W, Hamachi I. Microscopic Imaging Techniques for Molecular Assemblies: Electron, Atomic Force, and Confocal Microscopies. Chem Rev 2021; 121:14281-14347. [DOI: 10.1021/acs.chemrev.0c01334] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Ryou Kubota
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Wataru Tanaka
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Itaru Hamachi
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
- JST-ERATO, Hamachi Innovative Molecular Technology for Neuroscience, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8530, Japan
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14
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Gao Q, Peng F, Wang C, Lin J, Chang X, Zou C, Lu W. Phosphorescent Zwitterionic Pt(
II
)
N
‐Heterocyclic
Allenylidene Complexes: Metallophilicity and Ionic
Self‐Assembly
†. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202000674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Qin Gao
- Department of Chemistry, Southern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Fei Peng
- Department of Chemistry, Southern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Chuanfei Wang
- Department of Chemistry, Southern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Jinqiang Lin
- Department of Chemistry, Southern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Xiaoyong Chang
- Department of Chemistry, Southern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Chao Zou
- Department of Chemistry, Southern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Wei Lu
- Department of Chemistry, Southern University of Science and Technology Shenzhen Guangdong 518055 China
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15
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Ouyang C, Li Y, Rees TW, Liao X, Jia J, Chen Y, Zhang X, Ji L, Chao H. Supramolecular Assembly of An Organoplatinum(II) Complex with Ratiometric Dual Emission for Two‐Photon Bioimaging. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014043] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Cheng Ouyang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry School of Chemistry Sun Yat-Sen University Guangzhou 510275 P. R. China
| | - Yongguang Li
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry School of Chemistry Sun Yat-Sen University Guangzhou 510275 P. R. China
| | - Thomas W. Rees
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry School of Chemistry Sun Yat-Sen University Guangzhou 510275 P. R. China
| | - Xinxing Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry School of Chemistry Sun Yat-Sen University Guangzhou 510275 P. R. China
| | - Jianhua Jia
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry School of Chemistry Sun Yat-Sen University Guangzhou 510275 P. R. China
| | - Yu Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry School of Chemistry Sun Yat-Sen University Guangzhou 510275 P. R. China
| | - Xiting Zhang
- Department of Chemistry University of Hong Kong Pokfulam Road Hong Kong S.A.R. P. R. China
| | - Liangnian Ji
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry School of Chemistry Sun Yat-Sen University Guangzhou 510275 P. R. China
| | - Hui Chao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry School of Chemistry Sun Yat-Sen University Guangzhou 510275 P. R. China
- MOE Key Laboratory of Theoretical Organic Chemistry and Functional Molecule School of Chemistry and Chemical Engineering Hunan University of Science and Technology Xiangtan 400201 P. R. China
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16
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Ouyang C, Li Y, Rees TW, Liao X, Jia J, Chen Y, Zhang X, Ji L, Chao H. Supramolecular Assembly of An Organoplatinum(II) Complex with Ratiometric Dual Emission for Two-Photon Bioimaging. Angew Chem Int Ed Engl 2021; 60:4150-4157. [PMID: 33174359 DOI: 10.1002/anie.202014043] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Indexed: 12/18/2022]
Abstract
The organoplatinum(II) complex [Pt(C^N^N)(Cl)] (C^N^N=5,6-diphenyl-2,2'-bipyridine, Pt1) can assemble into nanoaggregates via π-π stacking and complementary hydrogen bonds, rather than Pt-Pt interactions. Pt1 exhibits ratiometric dual emission, including rare blue emission (λem =445 nm) and assembly-induced yellow emission (λem =573 nm), under one- and two-photon excitation. Pt1 displays blue emission in cells with an intact membrane due to its low cellular uptake. In cells where the membrane is disrupted, uptake of the complex is increased and at higher concentrations yellow emission is observed. The ratio of yellow to blue emission shows a linear relationship to the loss of cell membrane integrity. Pt1 is, to our knowledge, the first example of an assembly-induced two-photon ratiometric dual emission organoplatinum complex. The excellent and unique characteristics of the complex enabled its use for the tracking of cell apoptosis, necrosis, and the inflammation process in zebrafish.
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Affiliation(s)
- Cheng Ouyang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
| | - Yongguang Li
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
| | - Thomas W Rees
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
| | - Xinxing Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
| | - Jianhua Jia
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
| | - Yu Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
| | - Xiting Zhang
- Department of Chemistry, University of Hong Kong, Pokfulam Road, Hong Kong S.A.R., P. R. China
| | - Liangnian Ji
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
| | - Hui Chao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
- MOE Key Laboratory of Theoretical Organic Chemistry and Functional Molecule, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 400201, P. R. China
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17
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Handedness-inverted polymorphic helical assembly and circularly polarized luminescence of chiral platinum complexes. Sci China Chem 2021. [DOI: 10.1007/s11426-020-9911-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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18
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Solid-state spectroscopic properties of dinuclear cyclometalated Pt(II) complexes with different bridging ligands and anions. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.120072] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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19
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Yao L, Chen Z, Zhang K, Yam VW. Heterochiral Self‐Discrimination‐Driven Supramolecular Self‐Assembly of Decanuclear Gold(I)‐Sulfido Complexes into 2D Nanostructures with Chiral Anions‐Tuned Morphologies. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009728] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Liao‐Yuan Yao
- Institute of Molecular Functional Materials and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Zhen Chen
- Institute of Molecular Functional Materials and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Kaka Zhang
- Institute of Molecular Functional Materials and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Vivian Wing‐Wah Yam
- Institute of Molecular Functional Materials and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
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20
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Yao L, Chen Z, Zhang K, Yam VW. Heterochiral Self‐Discrimination‐Driven Supramolecular Self‐Assembly of Decanuclear Gold(I)‐Sulfido Complexes into 2D Nanostructures with Chiral Anions‐Tuned Morphologies. Angew Chem Int Ed Engl 2020; 59:21163-21169. [DOI: 10.1002/anie.202009728] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Indexed: 01/28/2023]
Affiliation(s)
- Liao‐Yuan Yao
- Institute of Molecular Functional Materials and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Zhen Chen
- Institute of Molecular Functional Materials and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Kaka Zhang
- Institute of Molecular Functional Materials and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Vivian Wing‐Wah Yam
- Institute of Molecular Functional Materials and Department of Chemistry The University of Hong Kong Pokfulam Road Hong Kong P. R. China
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21
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To WP, Wan Q, Tong GSM, Che CM. Recent Advances in Metal Triplet Emitters with d6, d8, and d10 Electronic Configurations. TRENDS IN CHEMISTRY 2020. [DOI: 10.1016/j.trechm.2020.06.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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22
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Chakraborty S, Aliprandi A, De Cola L. Multinuclear Pt II Complexes: Why Three is Better Than Two to Enhance Photophysical Properties. Chemistry 2020; 26:11007-11012. [PMID: 32329122 PMCID: PMC7496982 DOI: 10.1002/chem.202001510] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Indexed: 01/31/2023]
Abstract
The self-assembly of platinum complexes is a well-documented process that leads to interesting changes of the photophysical and electrochemical behavior as well as to a change in reactivity of the complexes. However, it is still not clear how many metal units must interact in order to achieve the desired properties of a large assembly. This work aimed to clarify the role of the number of interacting PtII units leading to an enhancement of the spectroscopic properties and how to address inter- versus intramolecular processes. Therefore, a series of neutral multinuclear PtII complexes were synthesized and characterized, and their photophysical properties at different concentration were studied. Going from the monomer to dimers, the growth of a new emission band and the enhancement of the emission properties were observed. Upon increasing the platinum units up to three, the monomeric blue emission could not be detected anymore and a concentration independent bright-yellow/orange emission, due to the establishment of intramolecular metallophilic interactions, was observed.
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Affiliation(s)
- Sourav Chakraborty
- Institut de Science et d'Ingénierie SupramoléculairesCNRS, UMR 7006, Université de Strasbourg8 rue Gaspard Monge67000StrasbourgFrance
| | - Alessandro Aliprandi
- Institut de Science et d'Ingénierie SupramoléculairesCNRS, UMR 7006, Université de Strasbourg8 rue Gaspard Monge67000StrasbourgFrance
| | - Luisa De Cola
- Institut de Science et d'Ingénierie SupramoléculairesCNRS, UMR 7006, Université de Strasbourg8 rue Gaspard Monge67000StrasbourgFrance
- Institute for Nanotechnology (INT)Karlsruhe Institute of TechnologyHermann-von-Helmholtz-Platz 176344Eggenstein-LeopoldshafenGermany
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23
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Li Y, Huo GF, Liu B, Song B, Zhang Y, Qian X, Wang H, Yin GQ, Filosa A, Sun W, Hla SW, Yang HB, Li X. Giant Concentric Metallosupramolecule with Aggregation-Induced Phosphorescent Emission. J Am Chem Soc 2020; 142:14638-14648. [DOI: 10.1021/jacs.0c06680] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Yiming Li
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Gui-Fei Huo
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, Shanghai 200062, China
| | - Bingqing Liu
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58105, United States
| | - Bo Song
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Yuan Zhang
- Department of Physics, Old Dominion University, Norfolk, Virginia 23529, United States
| | - Xiaomin Qian
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Heng Wang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
| | - Guang-Qiang Yin
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
| | - Alexander Filosa
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Wenfang Sun
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58105, United States
| | - Saw Wai Hla
- Nanoscience and Technology Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Hai-Bo Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, Shanghai 200062, China
| | - Xiaopeng Li
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518055, China
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24
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Zeng W, Sun MJ, Gong ZL, Shao JY, Zhong YW, Yao J. Effect of the Fluoro-Substituent Position on the Crystal Structure and Photoluminescence of Microcrystals of Platinum β-Diketonate Complexes. Inorg Chem 2020; 59:11316-11328. [PMID: 32799462 DOI: 10.1021/acs.inorgchem.0c00887] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Molecular packing has an important effect on the photophysical properties of crystalline materials. We demonstrate in this work the modulation of molecular packing and emission properties of microcrystals by minor molecular structural variations. Four platinum β-diketonate complexes, with two fluoro substituents (1) or one fluoro atom substituted on different positions of the auxiliary phenylpyridine ligand (2-4) have been synthesized. These complexes were used to prepare one-dimensional microcrystals with well-defined shapes and uniform sizes. Although 1-4 display similar emission spectra in the solution state, the corresponding microcrystals display different emission colors from green to yellow and orange. In addition, different temperature-responsive (80-298 K) emission spectral changes have been observed from these microcrystals, including the intensity variation of the locally excited (LE) emission without obvious wavelength shifts, competition between the LE and metal-metal-to-ligand charge-transfer emissions, and the sole wavelength shift of the π-π excimer emissions. These differences in emission properties are rationalized by different molecular packings of these materials, as revealed by single-crystal X-ray analyses.
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Affiliation(s)
- Wei Zeng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Meng-Jia Sun
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Zhong-Liang Gong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Jiang-Yang Shao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
| | - Yu-Wu Zhong
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Jiannian Yao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, People's Republic of China.,School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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25
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Haino T, Hirao T. Supramolecular Polymerization and Functions of Isoxazole Ring Monomers. CHEM LETT 2020. [DOI: 10.1246/cl.200031] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Takeharu Haino
- Graduate School of Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
| | - Takehiro Hirao
- Graduate School of Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
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26
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Li M, Liska T, Swetz A, Ayoub N, Lai PN, Zeller M, Gray TG. (Isonitrile)platinum(II) Complexes of an Amido Bis(N-heterocyclic carbene) Pincer Ligand. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00065] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Mengdi Li
- Department of Chemistry, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States
| | - Tadeas Liska
- Department of Chemistry, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States
| | - Anna Swetz
- Department of Chemistry, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States
| | - Nicholas Ayoub
- Department of Chemistry & Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138, United States
| | - Po-Ni Lai
- Department of Chemistry, University of Houston, 3585 Cullen Boulevard, Room 112, Houston, Texas 77204, United States
| | - Matthias Zeller
- Department of Chemistry, Purdue University, 610 Purdue Mall, West Lafayette, Indiana 47907, United States
| | - Thomas G. Gray
- Department of Chemistry, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States
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27
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Controlled Synthesis of PdII and PtII Supramolecular Copolymer with Sequential Multiblock and Amplified Phosphorescence. Chem 2020. [DOI: 10.1016/j.chempr.2020.01.021] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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28
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Abstract
Manipulation of non-covalent metal–metal interactions allows the fabrication of functional metallosupramolecular structures with diverse supramolecular behaviors. The majority of reported studies are mostly designed and governed by thermodynamics, with very few examples of metallosupramolecular systems exhibiting intriguing kinetics. Here we report a serendipitous finding of platinum(ii) complexes serving as non-covalent crosslinkers for the fabrication of supramolecular DNA hydrogels. Upon mixing the alkynylplatinum(ii) terpyridine complex with double-stranded DNA in aqueous solution, the platinum(ii) complex molecules are found to first stack into columnar phases by metal–metal and π–π interactions, and then the columnar phases that carry multiple positive charges crosslink the negatively charged DNA strands to form supramolecular hydrogels with luminescence properties and excellent processability. Subsequent platinum(ii) intercalation into DNA competes with the metal–metal and π–π interactions at the crosslinking points, switching on the spontaneous gel-to-sol transition. In the case of a chloro (2,6-bis(benzimidazol-2′-yl)pyridine)platinum(ii) complex, with [Pt(bzimpy)Cl]+ serving as a non-covalent crosslinker where the metal–metal and π–π interactions outcompete platinum(ii) intercalation, the intercalation-driven gel-to-sol transition pathway is blocked since the gel state is energetically more favorable than the sol state. Interestingly, the ligand exchange reaction of the chloro ligand in [Pt(bzimpy)Cl]+ with glutathione (GSH) has endowed the complexes with enhanced hydrophilicity, decreasing the planarity of the complexes, and turning off the metal–metal and π–π interactions at the crosslinking points, leading to GSH-triggered hydrogel dissociation. We report a serendipitous finding of platinum(ii) complexes serving as non-covalent crosslinkers for the fabrication of supramolecular DNA hydrogels.![]()
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Affiliation(s)
- Kaka Zhang
- Institute of Molecular Functional Materials, Department of Chemistry, The University of Hong Kong Pokfulam Road Hong Kong PR China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials, Department of Chemistry, The University of Hong Kong Pokfulam Road Hong Kong PR China
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29
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Zhang K, Yeung MCL, Leung SYL, Yam VWW. Platinum(II) Probes for Sensing Polyelectrolyte Lengths and Architectures. ACS APPLIED MATERIALS & INTERFACES 2020; 12:8503-8512. [PMID: 32027479 DOI: 10.1021/acsami.9b17611] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Platinum(II) polypyridine complexes of a square-planar geometry have been used as spectroscopic reporters for quantification of various charged species through non-covalent metal-metal interactions. The characterization of molecular weights and architectures of polyelectrolytes represents a challenging task in polymer science. Here, we report the utilization of platinum(II) complex probes and non-covalent metal-metal interactions for sensing polyelectrolyte lengths and architectures. It is found that the platinum(II) probes can bind to linear polyelectrolytes via electrostatic attractions and give rise to significant spectroscopic changes associated with the formation of metal-metal interactions, and the extent of the spectroscopic changes is found to increase with the lengths of the linear polyelectrolytes. Besides, the platinum(II) probes have been found to co-assemble with the linear polyelectrolytes to form well-defined nanofibers, and the lengths of the linear polyelectrolytes can be directly estimated from the diameter of the nanofibers under transmission electron microscopy observation. Interestingly, upon mixing with the platinum(II) probes, polyelectrolytes with bottlebrush architectures have been found to exhibit larger spectroscopic changes than linear polyelectrolytes with the same chemical composition. Combined with the reported theoretical studies on counterion condensation of polyelectrolytes, the platinum(II) complexes are found to function as spectroscopic probes for sensing the charge densities of the polyelectrolytes with different lengths and diverse architectures. Moreover, platinum(II) probes pre-organized in nanostructured aggregates have been found to intercalate into double-stranded DNA, which are naturally occurring biological polyelectrolytes with helical architectures and intercalation sites, to give significant enhancement of spectroscopic changes when compared to the intercalation of monomeric platinum(II) probes into double-stranded DNA.
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Affiliation(s)
- Kaka Zhang
- Institute of Molecular Functional Materials and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , PR China
| | - Margaret Ching-Lam Yeung
- Institute of Molecular Functional Materials and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , PR China
| | - Sammual Yu-Lut Leung
- Institute of Molecular Functional Materials and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , PR China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , PR China
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30
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Leung SKM, Chan AKW, Leung SYL, Leung MY, Yam VWW. Supramolecular assembly of bent dinuclear amphiphilic alkynylplatinum(ii) terpyridine complexes: diverse nanostructures through subtle tuning of the mode of molecular stacking. Chem Sci 2019; 11:499-507. [PMID: 32190269 PMCID: PMC7067253 DOI: 10.1039/c9sc04475b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 11/16/2019] [Indexed: 12/24/2022] Open
Abstract
A new class of bent amphiphilic alkynylplatinum(ii) terpyridine complexes was found to adopt different modes of molecular stacking to give diverse nanostructures.
A new class of bent amphiphilic alkynylplatinum(ii) terpyridine complexes was found to adopt different modes of molecular stacking to give diverse nanostructures. In chlorinated solvents, the complexes aggregate in the presence of water droplets and assist in the formation of porous networks, while in DMSO solutions, they self-assemble to give fibrous nanostructures. The complexes would adopt a head-to-tail tetragonal stacking arrangement, as revealed by X-ray crystallographic studies, computational studies and powder X-ray diffraction (PXRD) studies. Their self-assembly follows a cooperative growth mechanism in DMSO and an isodesmic growth mechanism in DMSO–H2O mixture. The balance between hydrophobic and hydrophilic components of the complex system, in conjunction with the nuclearity and the positioning of the substituents, are found to govern the mode of molecular stacking and the fabrication of precise functional nanostructures. This class of complexes serve as versatile building blocks to construct orderly packed molecular materials and functional materials in a well-controlled manner.
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Affiliation(s)
- Sam Ka-Ming Leung
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) , Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong .
| | - Alan Kwun-Wa Chan
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) , Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong .
| | - Sammual Yu-Lut Leung
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) , Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong .
| | - Ming-Yi Leung
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) , Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong .
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) , Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong .
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31
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Wan Q, Xia J, Lu W, Yang J, Che CM. Kinetically Controlled Self-Assembly of Phosphorescent AuIII Aggregates and Ligand-to-Metal–Metal Charge Transfer Excited State: A Combined Spectroscopic and DFT/TDDFT Study. J Am Chem Soc 2019; 141:11572-11582. [DOI: 10.1021/jacs.9b04007] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Qingyun Wan
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Jiuxu Xia
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Wei Lu
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Jun Yang
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Chi-Ming Che
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
- HKU Shenzhen Institute of Research & Innovation, Shenzhen 518057, China
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32
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Ning H, Huang X, Yang L, Zhang J. Molecular design of organoplatinum(II) complexes through a DFT/TDDFT study: Photophysical properties and intermolecular interactions. COMPUT THEOR CHEM 2019. [DOI: 10.1016/j.comptc.2019.01.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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33
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Ai Y, Ng M, Hong EY, Chan AK, Wei Z, Li Y, Yam VW. Solvent‐Induced and Temperature‐Promoted Aggregation of Bipyridine Platinum(II) Triangular Metallacycles and Their Near‐Infrared Emissive Behaviors. Chemistry 2018; 24:11611-11618. [DOI: 10.1002/chem.201802499] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 06/19/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Yeye Ai
- Lehn Institute of Functional MaterialsSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
- Institute of Molecular Functional Materials, Areas of Excellence Scheme, University Grants Committee (Hong Kong) and Department of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong Hong Kong
| | - Maggie Ng
- Institute of Molecular Functional Materials, Areas of Excellence Scheme, University Grants Committee (Hong Kong) and Department of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong Hong Kong
| | - Eugene Yau‐Hin Hong
- Institute of Molecular Functional Materials, Areas of Excellence Scheme, University Grants Committee (Hong Kong) and Department of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong Hong Kong
| | - Alan Kwun‐Wa Chan
- Institute of Molecular Functional Materials, Areas of Excellence Scheme, University Grants Committee (Hong Kong) and Department of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong Hong Kong
| | - Zhang‐Wen Wei
- Lehn Institute of Functional MaterialsSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
| | - Yongguang Li
- Lehn Institute of Functional MaterialsSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
| | - Vivian Wing‐Wah Yam
- Lehn Institute of Functional MaterialsSchool of ChemistrySun Yat-Sen University Guangzhou 510275 P. R. China
- Institute of Molecular Functional Materials, Areas of Excellence Scheme, University Grants Committee (Hong Kong) and Department of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong Hong Kong
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34
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Zhang K, Yeung MCL, Leung SYL, Yam VWW. Energy Landscape in Supramolecular Coassembly of Platinum(II) Complexes and Polymers: Morphological Diversity, Transformation, and Dilution Stability of Nanostructures. J Am Chem Soc 2018; 140:9594-9605. [PMID: 30040413 DOI: 10.1021/jacs.8b04779] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Establishment of energy landscape has emerged as an efficient pathway for improved understanding and manipulation of both thermodynamic and kinetic behaviors of complicated supramolecular systems. Herein, we report the establishment of energy landscapes of supramolecular coassembly of platinum(II) complexes and polymers, as well as the fabrication of nanostructures with enhanced complexity and intriguing properties from the coassembly systems. In the energy landscape, coassembly at room temperature has been found to only allow the longitudinal growth of platinum(II) complexes and block copolymers into core-shell nanofibers that are the kinetically trapped products. Thermal annealing can switch on the transverse growth of platinum(II) complexes and block copolymers to produce core-shell nanobelts that are the thermodynamically stable nanostructures. The extents of the transverse growth are found to increase with thermal annealing temperatures, leading to nanobelts with larger widths. Besides, rapid quenching of a hot coassembly mixture to room temperature can capture intermediate nanobelt- block-nanofiber nanostructures that are metastable and capable of converting to nanobelts upon further incubation at room temperature. Moreover, sonication treatment has been found to couple with the energy landscape of the coassembly system and open a unique energy-driven pathway to activate the kinetically forbidden nanofiber-to-nanobelt morphological transformation. Furthermore, based on the established energy landscapes, nanosphere- block-nanobelt nanostructures with distinct segmented architectures have been fabricated by thermal annealing of the ternary mixture of platinum(II) complexes, block copolymers, and polymer brushes in a one-pot and single-step procedure. Finally, the nanobelts and nanosphere- block-nanobelt nanostructures are found to possess intriguing morphological stability against acid and dilution, exhibiting characteristics that are important for promising biomedical applications.
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Affiliation(s)
- Kaka Zhang
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , P. R. China
| | - Margaret Ching-Lam Yeung
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , P. R. China
| | - Sammual Yu-Lut Leung
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , P. R. China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , P. R. China
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35
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Chan AKW, Ng M, Low KH, Yam VWW. Versatile Control of Directed Supramolecular Assembly via Subtle Changes of the Rhodium(I) Pincer Building Blocks. J Am Chem Soc 2018; 140:8321-8329. [DOI: 10.1021/jacs.8b04687] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Alan Kwun-Wa Chan
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China
| | - Maggie Ng
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China
| | - Kam-Hung Low
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China
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36
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Zheng X, Ning B, Xue C, Wang L, Wang W, Liu K, Huang XY, Liu Y. Supramolecular platinum(ii) complexes with highly efficient monomer luminescence. SOFT MATTER 2018; 14:4893-4897. [PMID: 29770825 DOI: 10.1039/c8sm00624e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A new platinum(ii) complex containing a quaternary ammonium group was synthesized. The monomer and excimer emission of the complex could be tuned via the solvophobic effect, which was accompanied by transformation from a fiber to ribbon-like morphology.
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Affiliation(s)
- Xiaorui Zheng
- State Key Laboratory of Fluorine & Nitrogen Chemicals, Xi'an 710065, China
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37
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Sun MJ, Liu Y, Yan Y, Li R, Shi Q, Zhao YS, Zhong YW, Yao J. In Situ Visualization of Assembly and Photonic Signal Processing in a Triplet Light-Harvesting Nanosystem. J Am Chem Soc 2018. [DOI: 10.1021/jacs.7b12519] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Meng-Jia Sun
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
| | - Yingying Liu
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
| | - Yaming Yan
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
| | - Rui Li
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
| | - Qiang Shi
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
| | - Yong Sheng Zhao
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
| | - Yu-Wu Zhong
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
| | - Jiannian Yao
- Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Science, Beijing 100049, China
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38
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Wan Q, To WP, Yang C, Che CM. The Metal-Metal-to-Ligand Charge Transfer Excited State and Supramolecular Polymerization of Luminescent Pincer PdII
-Isocyanide Complexes. Angew Chem Int Ed Engl 2018; 57:3089-3093. [DOI: 10.1002/anie.201712249] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Qingyun Wan
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials; Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong SAR China
| | - Wai-Pong To
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials; Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong SAR China
| | - Chen Yang
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials; Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong SAR China
| | - Chi-Ming Che
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials; Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong SAR China
- HKU Shenzhen Institute of Research and Innovation; Shenzhen Guangdong 518053 China
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39
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Wan Q, To WP, Yang C, Che CM. The Metal-Metal-to-Ligand Charge Transfer Excited State and Supramolecular Polymerization of Luminescent Pincer PdII
-Isocyanide Complexes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201712249] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Qingyun Wan
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials; Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong SAR China
| | - Wai-Pong To
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials; Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong SAR China
| | - Chen Yang
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials; Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong SAR China
| | - Chi-Ming Che
- State Key Laboratory of Synthetic Chemistry; Institute of Molecular Functional Materials; Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong SAR China
- HKU Shenzhen Institute of Research and Innovation; Shenzhen Guangdong 518053 China
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40
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Wong VCH, Po C, Leung SYL, Chan AKW, Yang S, Zhu B, Cui X, Yam VWW. Formation of 1D Infinite Chains Directed by Metal–Metal and/or π–π Stacking Interactions of Water-Soluble Platinum(II) 2,6-Bis(benzimidazol-2′-yl)pyridine Double Complex Salts. J Am Chem Soc 2018; 140:657-666. [DOI: 10.1021/jacs.7b09770] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Victor Chun-Hei Wong
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)), and Department of Chemistry, The University of Hong Kong Pokfulam Road, Hong Kong, P. R. China
| | - Charlotte Po
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)), and Department of Chemistry, The University of Hong Kong Pokfulam Road, Hong Kong, P. R. China
| | - Sammual Yu-Lut Leung
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)), and Department of Chemistry, The University of Hong Kong Pokfulam Road, Hong Kong, P. R. China
| | - Alan Kwun-Wa Chan
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)), and Department of Chemistry, The University of Hong Kong Pokfulam Road, Hong Kong, P. R. China
| | - Siyuan Yang
- Department of Physics, The University of Hong Kong Pokfulam Road, Hong Kong, P. R. China
| | - Bairen Zhu
- Department of Physics, The University of Hong Kong Pokfulam Road, Hong Kong, P. R. China
| | - Xiaodong Cui
- Department of Physics, The University of Hong Kong Pokfulam Road, Hong Kong, P. R. China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)), and Department of Chemistry, The University of Hong Kong Pokfulam Road, Hong Kong, P. R. China
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41
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Paziresh S, Babadi Aghakhanpour R, Rashidi M, Nabavizadeh SM. Simple tuning of the luminescence properties of the double rollover cycloplatinated(ii) structure by halide ligands. NEW J CHEM 2018. [DOI: 10.1039/c7nj03817h] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The luminescence properties of double rollover cycloplatinated(ii) complexes and the effects of halogen ligands on the luminescence properties are investigated.
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Affiliation(s)
- Sareh Paziresh
- Department of Chemistry
- College of Sciences
- Shiraz University
- Shiraz
- Iran
| | - Reza Babadi Aghakhanpour
- Department of Chemistry
- Institute for Advanced Studies in Basic Sciences (IASBS)
- Yousef Sobouti Blvd
- Zanjan 45137-66731
- Iran
| | - Mehdi Rashidi
- Department of Chemistry
- College of Sciences
- Shiraz University
- Shiraz
- Iran
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42
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Zhang K, Yeung MCL, Leung SYL, Yam VWW. Living supramolecular polymerization achieved by collaborative assembly of platinum(II) complexes and block copolymers. Proc Natl Acad Sci U S A 2017; 114:11844-11849. [PMID: 29078381 PMCID: PMC5692582 DOI: 10.1073/pnas.1712827114] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
An important feature of biological systems to achieve complexity and precision is the involvement of multiple components where each component plays its own role and collaborates with other components. Mimicking this, we report living supramolecular polymerization achieved by collaborative assembly of two structurally dissimilar components, that is, platinum(II) complexes and poly(ethylene glycol)-b-poly(acrylic acid) (PEG-b-PAA). The PAA blocks neutralize the charges of the platinum(II) complexes, with the noncovalent metal-metal and π-π interactions directing the longitudinal growth of the platinum(II) complexes into 1D crystalline nanostructures, and the PEG blocks inhibiting the transverse growth of the platinum(II) complexes and providing the whole system with excellent solubility. The ends of the 1D crystalline nanostructures have been found to be active during the assembly and remain active after the assembly. One-dimensional segmented nanostructures with heterojunctions have been produced by sequential growth of two types of platinum(II) complexes. The PAA blocks act as adapters at the heterojunctions for lattice matching between chemically and crystallographically different platinum(II) complexes, achieving heterojunctions with a lattice mismatch as large as 21%.
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Affiliation(s)
- Kaka Zhang
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Margaret Ching-Lam Yeung
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Sammual Yu-Lut Leung
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong Kong, Hong Kong, People's Republic of China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong Kong, Hong Kong, People's Republic of China
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43
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Kong FKW, Chan AKW, Ng M, Low KH, Yam VWW. Construction of Discrete Pentanuclear Platinum(II) Stacks with Extended Metal-Metal Interactions by Using Phosphorescent Platinum(II) Tweezers. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201708504] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Fred Ka-Wai Kong
- Institute of Molecular Functional Materials [Areas of Excellence Scheme; University Grants Committee (Hong Kong); Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P.R. China
| | - Alan Kwun-Wa Chan
- Institute of Molecular Functional Materials [Areas of Excellence Scheme; University Grants Committee (Hong Kong); Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P.R. China
| | - Maggie Ng
- Institute of Molecular Functional Materials [Areas of Excellence Scheme; University Grants Committee (Hong Kong); Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P.R. China
| | - Kam-Hung Low
- Institute of Molecular Functional Materials [Areas of Excellence Scheme; University Grants Committee (Hong Kong); Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P.R. China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials [Areas of Excellence Scheme; University Grants Committee (Hong Kong); Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P.R. China
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44
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Kong FKW, Chan AKW, Ng M, Low KH, Yam VWW. Construction of Discrete Pentanuclear Platinum(II) Stacks with Extended Metal-Metal Interactions by Using Phosphorescent Platinum(II) Tweezers. Angew Chem Int Ed Engl 2017; 56:15103-15107. [DOI: 10.1002/anie.201708504] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Indexed: 12/23/2022]
Affiliation(s)
- Fred Ka-Wai Kong
- Institute of Molecular Functional Materials [Areas of Excellence Scheme; University Grants Committee (Hong Kong); Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P.R. China
| | - Alan Kwun-Wa Chan
- Institute of Molecular Functional Materials [Areas of Excellence Scheme; University Grants Committee (Hong Kong); Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P.R. China
| | - Maggie Ng
- Institute of Molecular Functional Materials [Areas of Excellence Scheme; University Grants Committee (Hong Kong); Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P.R. China
| | - Kam-Hung Low
- Institute of Molecular Functional Materials [Areas of Excellence Scheme; University Grants Committee (Hong Kong); Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P.R. China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials [Areas of Excellence Scheme; University Grants Committee (Hong Kong); Department of Chemistry; The University of Hong Kong; Pokfulam Road Hong Kong P.R. China
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45
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Carrara S, Aliprandi A, Hogan CF, De Cola L. Aggregation-Induced Electrochemiluminescence of Platinum(II) Complexes. J Am Chem Soc 2017; 139:14605-14610. [PMID: 28914532 DOI: 10.1021/jacs.7b07710] [Citation(s) in RCA: 205] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We report the electrochemiluminescence properties of square-planar Pt(II) complexes that result from the formation of supramolecular nanostructures. We define this new phenomenon as aggregation-induced electrochemiluminescence (AIECL). In this system, self-assembly changes the HOMO and LUMO energies, making their population accessible via ECL pathways and leading to the generation of the luminescent excited state. Significantly, the emission from the self-assembled system is the first example of electrochemiluminescence (ECL) of Pt(II) complexes in aqueous solution having higher efficiency than the standard, Ru(bpy)32+.The finding can lead to a new generation of bright emitters that can be used as ECL labels.
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Affiliation(s)
- Serena Carrara
- ISIS & icFRC, Universitè de Strasbourg & CNRS , 8 Allée Gaspard Monge, 67000, Strasbourg, France
| | - Alessandro Aliprandi
- ISIS & icFRC, Universitè de Strasbourg & CNRS , 8 Allée Gaspard Monge, 67000, Strasbourg, France
| | - Conor F Hogan
- Departiment of Chemistry and Physics, La Trobe Institute for Molecular Science, La Trobe University , Melbourne, Victoria 3086, Australia
| | - Luisa De Cola
- ISIS & icFRC, Universitè de Strasbourg & CNRS , 8 Allée Gaspard Monge, 67000, Strasbourg, France.,Institute of Nanotechnology, Karlsruhe Institute of Technology , KIT Campus North, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen, 76344, Germany
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46
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Robinson ME, Nazemi A, Lunn DJ, Hayward DW, Boott CE, Hsiao MS, Harniman RL, Davis SA, Whittell GR, Richardson RM, De Cola L, Manners I. Dimensional Control and Morphological Transformations of Supramolecular Polymeric Nanofibers Based on Cofacially-Stacked Planar Amphiphilic Platinum(II) Complexes. ACS NANO 2017; 11:9162-9175. [PMID: 28836765 DOI: 10.1021/acsnano.7b04069] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Square-planar platinum(II) complexes often stack cofacially to yield supramolecular fiber-like structures with interesting photophysical properties. However, control over fiber dimensions and the resulting colloidal stability is limited. We report the self-assembly of amphiphilic Pt(II) complexes with solubilizing ancillary ligands based on polyethylene glycol [PEGn, where n = 16, 12, 7]. The complex with the longest solubilizing PEG ligand, Pt-PEG16, self-assembled to form polydisperse one-dimensional (1D) nanofibers (diameters <5 nm). Sonication led to short seeds which, on addition of further molecularly dissolved Pt-PEG16 complex, underwent elongation in a "living supramolecular polymerization" process to yield relatively uniform fibers of length up to ca. 400 nm. The fiber lengths were dependent on the Pt-PEG16 complex to seed mass ratio in a manner analogous to a living covalent polymerization of molecular monomers. Moreover, the fiber lengths were unchanged in solution after 1 week and were therefore "static" with respect to interfiber exchange processes on this time scale. In contrast, similarly formed near-uniform fibers of Pt-PEG12 exhibited dynamic behavior that led to broadening of the length distribution within 48 h. After aging for 4 weeks in solution, Pt-PEG12 fibers partially evolved into 2D platelets. Furthermore, self-assembly of Pt-PEG7 yielded only transient fibers which rapidly evolved into 2D platelets. On addition of further fiber-forming Pt complex (Pt-PEG16), the platelets formed assemblies via the growth of fibers selectively from their short edges. Our studies demonstrate that when interfiber dynamic exchange is suppressed, dimensional control and hierarchical structure formation are possible for supramolecular polymers through the use of kinetically controlled seeded growth methods.
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Affiliation(s)
| | | | | | | | | | - Ming-Siao Hsiao
- UES, Inc. and Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson Air Force Base , Wright-Patterson AFB, Ohio 45433, United States
| | | | | | | | | | - Luisa De Cola
- ISIS and icFRC, Université de Strasbourg and CNRS , 8 Allée Gaspard Monge, 67000 Strasbourg, France
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47
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Li Z, Han Y, Gao Z, Wang F. Supramolecular Engineering of Discrete Pt(II)···Pt(II) Interactions for Visible-Light Photocatalysis. ACS Catal 2017. [DOI: 10.1021/acscatal.7b00709] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Zijian Li
- CAS Key Laboratory of Soft
Matter Chemistry, Department of Polymer Science and Engineering, iChEM, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Yifei Han
- CAS Key Laboratory of Soft
Matter Chemistry, Department of Polymer Science and Engineering, iChEM, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zongchun Gao
- CAS Key Laboratory of Soft
Matter Chemistry, Department of Polymer Science and Engineering, iChEM, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Feng Wang
- CAS Key Laboratory of Soft
Matter Chemistry, Department of Polymer Science and Engineering, iChEM, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
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48
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Zhang K, Yeung MCL, Leung SYL, Yam VWW. Manipulation of Nanostructures in the Co-assembly of Platinum(II) Complexes and Block Copolymers. Chem 2017. [DOI: 10.1016/j.chempr.2017.04.017] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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49
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Au-Yeung HL, Tam AYY, Leung SYL, Yam VWW. Supramolecular assembly of platinum-containing polyhedral oligomeric silsesquioxanes: an interplay of intermolecular interactions and a correlation between structural modifications and morphological transformations. Chem Sci 2017; 8:2267-2276. [PMID: 28507683 PMCID: PMC5408568 DOI: 10.1039/c6sc04169h] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2016] [Accepted: 11/08/2016] [Indexed: 12/20/2022] Open
Abstract
A series of alkynylplatinum(ii) terpyridine complexes functionalized with polyhedral oligomeric silsesquioxane (POSS) moieties has been demonstrated to exhibit drastic color changes and give various distinctive nanostructures with interesting multi-stage morphological transformations from spheres to nanoplates in response to solvent conditions through the interplay of various intermolecular interactions, including hydrophilic-hydrophilic, hydrophobic-hydrophobic, Pt···Pt and π-π stacking interactions. These supramolecular architectures can be systematically modified and controlled through the molecular design and the variation of solvent compositions. In particular, drastic changes in color in response to solvent polarity were observed through the incorporation of the charged moieties, representing a new class of potential candidates for functional materials with sensing or imaging capabilities. This class of complexes has been studied by 1H NMR spectroscopy, electron microscopy, UV-vis absorption and emission spectroscopy.
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Affiliation(s)
- Ho-Leung Au-Yeung
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , China .
| | - Anthony Yiu-Yan Tam
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , China .
| | - Sammual Yu-Lut Leung
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , China .
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) and Department of Chemistry , The University of Hong Kong , Pokfulam Road , Hong Kong , China .
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50
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Sangari MS, Haghighi MG, Nabavizadeh SM, Kubicki M, Rashidi M. Photophysical study on unsymmetrical binuclear cycloplatinated(ii) complexes. NEW J CHEM 2017. [DOI: 10.1039/c7nj03034g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
A general synthetic method has been designed to prepare a new series of unsymmetrical binuclear cyclometalated organoplatinum(ii) complexes and the effect of each part on their luminescence properties were investigated.
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Affiliation(s)
| | | | | | - Maciej Kubicki
- Faculty of Chemistry
- Adam Mickiewicz University
- 61-614 Poznan
- Poland
| | - Mehdi Rashidi
- Department of Chemistry
- College of Sciences
- Shiraz University
- Shiraz 71467-13565
- Iran
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