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Behboudikhiavi S, Chanteux G, Babu B, Faniel S, Marlec F, Robert K, Magnin D, Lucaccioni F, Omale JO, Apostol P, Piraux L, Lethien C, Vlad A. Direct Electrodeposition of Electrically Conducting Ni 3(HITP) 2 MOF Nanostructures for Micro-Supercapacitor Integration. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401509. [PMID: 38698603 DOI: 10.1002/smll.202401509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 04/20/2024] [Indexed: 05/05/2024]
Abstract
Micro-supercapacitors emerge as an important electrical energy storage technology expected to play a critical role in the large-scale deployment of autonomous microdevices for health, sensing, monitoring, and other IoT applications. Electrochemical double-layer capacitive storage requires a combination of high surface area and high electronic conductivity, with these being attained only in porous or nanostructured carbons, and recently found also in conducting metal-organic frameworks (MOFs). However, techniques for conformal deposition at micro- and nanoscale of these materials are complex, costly, and hard to upscale. Herein, the study reports direct, one step non-sacrificial anodic electrochemical deposition of Ni3(2,3,6,7,10,11-hexaiminotriphenylene)2 - Ni3(HITP)2, a porous and electrically conducting MOF. Employing this strategy enables the growth of Ni3(HITP)2 films on a variety of 2D substrates as well as on 3D nanostructured substrates to form Ni3(HITP)2 nanotubes and Pt@ Ni3(HITP)2 core-shell nanowires. Based on the optimal electrodeposition protocols, Ni3(HITP)2 films interdigitated micro-supercapacitors are fabricated and tested as a proof of concept.
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Affiliation(s)
- Sepideh Behboudikhiavi
- Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain, Louvain-la-Neuve, 1348, Belgium
| | - Géraldine Chanteux
- Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain, Louvain-la-Neuve, 1348, Belgium
| | - Binson Babu
- Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain, Louvain-la-Neuve, 1348, Belgium
| | - Sébastien Faniel
- Institute for Information and Communication Technologies, Electronics and Applied Mathematics, Université catholique de Louvain, Louvain-la-Neuve, 1348, Belgium
| | - Florent Marlec
- Institut d'Electronique, de Microélectronique et de Nanotechnologies, Université de Lille, CNRS, Université Polytechnique Hauts-de-France, UMR 8520 - IEMN, Lille, 59000, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS FR 3459, 33 rue Saint Leu, Amiens, Cedex, 80039, France
| | - Kevin Robert
- Institut d'Electronique, de Microélectronique et de Nanotechnologies, Université de Lille, CNRS, Université Polytechnique Hauts-de-France, UMR 8520 - IEMN, Lille, 59000, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS FR 3459, 33 rue Saint Leu, Amiens, Cedex, 80039, France
| | - Delphine Magnin
- Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain, Louvain-la-Neuve, 1348, Belgium
| | - Fabio Lucaccioni
- Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain, Louvain-la-Neuve, 1348, Belgium
| | - Joel Ojonugwa Omale
- Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain, Louvain-la-Neuve, 1348, Belgium
| | - Petru Apostol
- Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain, Louvain-la-Neuve, 1348, Belgium
| | - Luc Piraux
- Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain, Louvain-la-Neuve, 1348, Belgium
| | - Christophe Lethien
- Institut d'Electronique, de Microélectronique et de Nanotechnologies, Université de Lille, CNRS, Université Polytechnique Hauts-de-France, UMR 8520 - IEMN, Lille, 59000, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS FR 3459, 33 rue Saint Leu, Amiens, Cedex, 80039, France
- Institut Universitaire de France (IUF), Saint-Michel 103, Paris, 75005, France
| | - Alexandru Vlad
- Institute of Condensed Matter and Nanosciences, Université Catholique de Louvain, Louvain-la-Neuve, 1348, Belgium
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Choi JY, Check B, Fang X, Blum S, Pham HTB, Tayman K, Park J. Photocatalytic Hydrogen Peroxide Production through Functionalized Semiconductive Metal-Organic Frameworks. J Am Chem Soc 2024. [PMID: 38602882 DOI: 10.1021/jacs.4c00681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2024]
Abstract
Hydrogen peroxide (H2O2) holds significance as a vital chemical with the potential to serve as an energy carrier. Compared with the conventional anthraquinone process, photocatalytic H2O2 production has emerged as an appealing alternative because of its energy efficiency and environmental sustainability. However, the existing photocatalysts suffer from low catalytic efficiency, limited tunability of optical properties, and reliance on sacrificial agents due to high energy loss caused by inefficient charge separation. Therefore, developing catalysts with tunable optical properties and efficient charge separation is desirable. In this work, we introduce postsynthetic functionalization into an electrically conductive metal-organic framework, namely, DPT-MOF. Leveraging DPT (3,6-di(4-pyridyl)-1,2,4,5-tetrazine) as a pillar ligand, we exploited click-type chemistry to manipulate band position and charge separation efficiency, allowing for photocatalytic nonsacrificial H2O2 production. Notably, the fluorine-functionalized MOF exhibited the highest H2O2 production rate of 1676 μmol g-1 h-1 under visible light in O2-saturated water among our other samples. This high production rate is attributed to the tuned electronic structure and prolonged charge lifetime facilitated by the fluorine groups. This work highlights the effectiveness of postsynthetic methodology in tuning optical properties, opening a promising avenue for advancing the field of semiconductive MOF-based photocatalysis.
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Affiliation(s)
- Ji Yong Choi
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Brianna Check
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Xiaoyu Fang
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Samson Blum
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Hoai T B Pham
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Kyle Tayman
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Jihye Park
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
- Materials Science & Engineering Program, University of Colorado Boulder, Boulder, Colorado 80303, United States
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Un HI, Lu Y, Li J, Dong R, Feng X, Sirringhaus H. Controlling Film Formation and Host-Guest Interactions to Enhance the Thermoelectric Properties of Nickel-Nitrogen-Based 2D Conjugated Coordination Polymers. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2312325. [PMID: 38227294 DOI: 10.1002/adma.202312325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/05/2024] [Indexed: 01/17/2024]
Abstract
2D conjugated coordination polymers (cCPs) based on square-planar transition metal-complexes (such as MO4, M(NH)4, and MS4, M = metal) are an emerging class of (semi)conducting materials that are of great interest for applications in supercapacitors, catalysis, and thermoelectrics. Finding synthetic approaches to high-performance nickel-nitrogen (Ni-N) based cCP films is a long-standing challenge. Here, a general, dynamically controlled on-surface synthesis that produces highly conductive Ni-N-based cCP films is developed and the thermoelectric properties as a function of the molecular structure and their dependence on interactions with ambient atmosphere are studied. Among the four studied cCPs with different ligand sizes hexaminobenzene- and hexaaminotriphenylene-based films exhibit record electrical conductivity (100-200 S cm-1) in this Ni-N based cCP family, which is one order of magnitude higher than previous reports, and the highest thermoelectric power factors up to 10 µW m-1 K-2 among reported 2D cCPs. The transport physics of these films is studied and it is shown that depending on the host-guest interaction with oxygen/water the majority carrier type and the value of the Seebeck coefficient can be largely regulated. The high conductivity is likely reflecting good interconnectivity between (small) ordered domains and grain boundaries supporting disordered metallic transport.
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Affiliation(s)
- Hio-Ieng Un
- Optoelectronics Group, Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge, CB3 0HE, UK
| | - Yang Lu
- Center for Advancing Electronics Dresden & Faculty of Chemistry and Food Chemistry, Technical University of Dresden, Mommsenstrasse 4, 01062, Dresden, Germany
- Max Planck Institute of Microstructure Physics, 06120, Halle (Saale), Germany
- University of Strasbourg, CNRS, ISIS, UMR 7006, 8 Alleé Gaspard Monge, Strasbourg, 67000, France
| | - Jiaxuan Li
- Optoelectronics Group, Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge, CB3 0HE, UK
| | - Renhao Dong
- Center for Advancing Electronics Dresden & Faculty of Chemistry and Food Chemistry, Technical University of Dresden, Mommsenstrasse 4, 01062, Dresden, Germany
- Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China
| | - Xinliang Feng
- Center for Advancing Electronics Dresden & Faculty of Chemistry and Food Chemistry, Technical University of Dresden, Mommsenstrasse 4, 01062, Dresden, Germany
- Max Planck Institute of Microstructure Physics, 06120, Halle (Saale), Germany
| | - Henning Sirringhaus
- Optoelectronics Group, Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge, CB3 0HE, UK
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Tian Y, Xie L, Liu X, Geng Y, Wang J, Ma M. In situ synthesis of self-supporting conductive CuCo-based bimetal organic framework for sensitive nonenzymatic glucose sensing in serum and beverage. Food Chem 2024; 437:137875. [PMID: 37918160 DOI: 10.1016/j.foodchem.2023.137875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 10/20/2023] [Accepted: 10/25/2023] [Indexed: 11/04/2023]
Abstract
Most MOFs are associated with the inherent defect of low conductivity, limiting their further application in electrochemical sensing. Herein, a self-supporting conductive CuCo-based bimetal organic framework with HHTP as the organic ligand was in situ synthesized on carbon cloth via a one-step hydrothermal method, namely CuCo-MOF/CC. Benefiting from the advantages of electrical conductivity and bimetallic synergies, CuCo-MOF/CC exhibited remarkable electrocatalytic performance toward glucose. Consequently, the prepared sensor demonstrated an outstanding sensitivity of 9317 μA mM-1 cm-2, a wide range of 0.25-2374.5 μM, a low determination limit (0.27 μM), and a rapid response time (1.6 s). The reproducibility, stability, and selectivity were also proved to be satisfactory. Furthermore, the remarkable feasibility of proposed sensor was confirmed in serum and beverages. With the convenience of the one-step hydrothermal method and portability of self-supporting electrode, CuCo-MOF/CC has emerged as a promising candidate for commercial glucose sensors.
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Affiliation(s)
- Yujie Tian
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, 712100, Shaanxi, China
| | - Linxuan Xie
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, 712100, Shaanxi, China
| | - Xin Liu
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, 712100, Shaanxi, China
| | - Yanfei Geng
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, 712100, Shaanxi, China
| | - Jianlong Wang
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, 712100, Shaanxi, China
| | - Min Ma
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, 712100, Shaanxi, China.
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Ciria-Ramos I, Tejedor I, Caparros L, Doñagueda B, Lacruz O, Urtizberea A, Roubeau O, Gascón I, Haro M. Evaluation of triphenylene-based MOF ultrathin films for lithium batteries. Dalton Trans 2023; 52:7196-7207. [PMID: 37162287 DOI: 10.1039/d3dt00876b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Metal-organic frameworks (MOFs) are attractive candidates to meet the requirement of next-generation batteries, as functional materials with a high surface area, well-defined metal centers, and organic linkers through coordination bonds. Due to their great tunability, MOFs have been investigated as electrodes or electrolytes in lithium batteries and more recently as protective layers in anode-less batteries. Here, we synthesize a Ni3(HHTP)2 MOF directly at the air-liquid interface of a Langmuir trough and grow the electrode on a conductive substrate by the transference process. The characterization during Langmuir film formation shows that the addition of crystallization time during the compression process enhances the formation of 2D crystalline domains, as observed by in situ grazing-incidence X-ray diffraction. Next, the transferred Ni3(HHTP)2 ultrathin films were studied as working electrodes in Li batteries in a half-cell configuration and compared with bare copper. The results show that the Ni3(HHTP)2 film protects the Cu collector from oxidation, and the negative charge accumulates in the organic ligand during the lithiation process while NiII oxidizes to NiIII, unlike other triphenylene-based MOFs with CuII or CoII metal nodes. The galvanostatic plating-stripping cycles of the batteries show that the inclusion of the crystallization time improves the coulombic efficiency, especially significantly in the first cycles when the SEI is formed. This work shows the Langmuir technique as a useful tool to test MOF based materials for batteries with the advantages of using a low amount of raw materials and without the need to introduce additives (binder and electron conductor) in the electrodes. The electrochemical study of this type of electrode allows a first screening to synthesize electrodes based on MOFs and can be a tool for the preparation of protective coatings under optimized conditions.
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Affiliation(s)
- Isabel Ciria-Ramos
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, 50009, Spain.
- Departamento de Química Física, Facultad de Ciencias, Universidad de Zaragoza, Plaza San Francisco, Zaragoza, 50009, Spain
| | - Inés Tejedor
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, 50009, Spain.
- Departamento de Química Física, Facultad de Ciencias, Universidad de Zaragoza, Plaza San Francisco, Zaragoza, 50009, Spain
| | - Lucía Caparros
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, 50009, Spain.
- Departamento de Química Física, Facultad de Ciencias, Universidad de Zaragoza, Plaza San Francisco, Zaragoza, 50009, Spain
| | - Beatriz Doñagueda
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, 50009, Spain.
- Departamento de Química Física, Facultad de Ciencias, Universidad de Zaragoza, Plaza San Francisco, Zaragoza, 50009, Spain
| | - Oscar Lacruz
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, 50009, Spain.
- Departamento de Química Física, Facultad de Ciencias, Universidad de Zaragoza, Plaza San Francisco, Zaragoza, 50009, Spain
| | - Ainhoa Urtizberea
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, 50009, Spain.
- Departamento de Ciencia y Tecnologia de Materiales y Fluidos, EINA, Universidad de Zaragoza, Zaragoza, 50018, Spain
| | - Olivier Roubeau
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, 50009, Spain.
| | - Ignacio Gascón
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, 50009, Spain.
- Departamento de Química Física, Facultad de Ciencias, Universidad de Zaragoza, Plaza San Francisco, Zaragoza, 50009, Spain
| | - Marta Haro
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, 50009, Spain.
- Departamento de Química Física, Facultad de Ciencias, Universidad de Zaragoza, Plaza San Francisco, Zaragoza, 50009, Spain
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Mariella Babu A, Varghese A. Electrochemical Deposition for Metal Organic Frameworks: Advanced Energy, Catalysis, Sensing and Separation Applications. J Electroanal Chem (Lausanne) 2023. [DOI: 10.1016/j.jelechem.2023.117417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
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Tu Z, Zhang G, Liao L, Wang H. Theoretical Screening and experimental validation of M3(2,3,6,7,10,11-hexahydroxytriphenylene)2 for electrocatalytic CO2 reduction. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2023.113033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
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Abbas M, Maceda AM, Xiao Z, Zhou HC, Balkus KJ. Transformation of a copper-based metal-organic polyhedron into a mixed linker MOF for CO 2 capture. Dalton Trans 2023; 52:4415-4422. [PMID: 36916445 DOI: 10.1039/d2dt04162f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
A new mixed linker metal-organic framework (MOF) has been synthesized from a copper-based metal-organic polyhedron (MOP-1) and 2,2'-bipyridine (2,2'-bipy). The CuMOF-Bipy with a formula of [Cu2(2,2'-bpy)2(m-BDC)2]n is comprised of a binuclear Cu(II) node coordinated to 2,2'-bipy, and isophthalic acid (m-BDC), which bridges to neighboring nodes. The crystal structure of CuMOF-Bipy consists of a stacked two-dimensional framework with the sql topology. CuMOF-Bipy was characterized by single-crystal X-ray diffraction (SC-XRD), X-ray photoelectron spectroscopy (XPS), thermogravimetric analysis (TGA), and CO2 sorption. CuMOF-Bipy was shown to have one-dimensional sinusoidal channels that allow diffusion of CO2 but not N2.
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Affiliation(s)
- Muhammad Abbas
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Rd, Richardson, TX 75080, USA
| | - Amanda M Maceda
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Rd, Richardson, TX 75080, USA
| | - Zhifeng Xiao
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA.
| | - Hong-Cai Zhou
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA.
| | - Kenneth J Balkus
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Rd, Richardson, TX 75080, USA
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Abbas M, Maceda AM, Firouzi HR, Xiao Z, Arman HD, Shi Y, Zhou HC, Balkus KJ. Fluorine extraction from organofluorine molecules to make fluorinated clusters in yttrium MOFs. Chem Sci 2022; 13:14285-14291. [PMID: 36545134 PMCID: PMC9749115 DOI: 10.1039/d2sc05143e] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 11/22/2022] [Indexed: 11/28/2022] Open
Abstract
A new rare earth based two-dimensional coordination network and a three-dimensional metal-organic framework (MOF) have been synthesized using bicinchoninic acid (BCA) and yttrium(iii) ions. Yttrium dimer nodes are formed in the absence of a modulator, resulting in a 2D layered coordination network (Y-BCA-2D). The presence of fluorinating agents, e.g., 2-fluorobenzoic acid (2-FBA), 2,6-difluorobenzoic acid (2,6-DFBA), and perfluorohexanoic acid (PFHxA) result in μ3-F bridged metal hexaclusters (Y6F8) that form a three-dimensional MOF (Y-BCA-3D). It was found that Y3+ can break highly stable C-F bonds in aromatic and aliphatic fluorinated compounds. Single-crystal X-ray diffraction (SC-XRD) shows the presence of fluorine in the metal cluster which was confirmed by energy dispersive X-ray spectroscopy (EDS). High resolution X-ray photoelectron spectroscopy (XPS) and 19F Nuclear Magnetic Resonance (NMR) also verify the presence of metal-fluorine bonds in the cluster. The Y-BCA-3D MOF selectively adsorbs CO2 but not N2.
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Affiliation(s)
- Muhammad Abbas
- Department of Chemistry and Biochemistry, The University of Texas at Dallas800 West Campbell RdRichardsonTX 75080USA
| | - Amanda M. Maceda
- Department of Chemistry and Biochemistry, The University of Texas at Dallas800 West Campbell RdRichardsonTX 75080USA
| | - Hamid R. Firouzi
- Department of Chemistry and Biochemistry, The University of Texas at Dallas800 West Campbell RdRichardsonTX 75080USA
| | - Zhifeng Xiao
- Department of Chemistry, Texas A&M UniversityCollege StationTX 77843USA
| | - Hadi D. Arman
- Department of Chemistry, University of Texas at San AntonioOne UTSA CircleSan AntonioTexas 78249USA
| | - Yanshu Shi
- Department of Chemistry, University of Texas at San AntonioOne UTSA CircleSan AntonioTexas 78249USA
| | - Hong-Cai Zhou
- Department of Chemistry, Texas A&M UniversityCollege StationTX 77843USA
| | - Kenneth J. Balkus
- Department of Chemistry and Biochemistry, The University of Texas at Dallas800 West Campbell RdRichardsonTX 75080USA
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Zasada LB, Guio L, Kamin AA, Dhakal D, Monahan M, Seidler GT, Luscombe CK, Xiao DJ. Conjugated Metal-Organic Macrocycles: Synthesis, Characterization, and Electrical Conductivity. J Am Chem Soc 2022; 144:4515-4521. [PMID: 35255217 DOI: 10.1021/jacs.1c12596] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The dimensional reduction of solids into smaller fragments provides a route to achieve new physical properties and gain deeper insight into the extended parent structures. Here, we report the synthesis of CuTOTP-OR (TOTPn- = 2,3,6,7-tetraoxidotriphenylene), a family of copper-based macrocycles that resemble truncated fragments of the conductive two-dimensional (2D) metal-organic framework Cu3(HHTP)2 (HHTP = 2,3,6,7,10,11-hexahydroxytriphenylene). The planar metal-organic macrocycles self-assemble into ordered nanotubes with internal diameters of ∼2 nm and short interlayer distances of ∼3.20 Å. Strong π-π stacking interactions between macrocycles facilitate out-of-plane charge transport, and pressed pellet conductivities as high as 2(1) × 10-3 S cm-1 are observed. Peripheral alkyl functionalization enhances solution processability and enables the fabrication of thin-film field-effect transistor devices. Ambipolar charge transport is observed, suggesting that similar behavior may be operative in Cu3(HHTP)2. By coupling the attractive features of metal-organic frameworks with greater processability, these macrocycles enable facile device integration and a more nuanced understanding of out-of-plane charge transport in 2D conductive metal-organic frameworks.
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Affiliation(s)
| | | | | | | | | | | | - Christine K Luscombe
- Okinawa Institute of Science and Technology Graduate University, Onna-son, Okinawa 904-0495, Japan
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Wang B, Yan Y, Ding CF. Metal-organic framework-based sample preparation in proteomics. J Chromatogr A 2022; 1671:462971. [DOI: 10.1016/j.chroma.2022.462971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 03/12/2022] [Indexed: 01/05/2023]
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