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Li J, Zhao Y, Xie X, Shi Y, Li L, Yang S, Xu HB, Wang Z, Chen X, Hu Y, Yu HB, Li Y, Peng X. Alloy Reconstruction in Pyrolytic Bowknot-like Heteronuclear CoFe Clusters for Electrocatalytic Application. Inorg Chem 2024; 63:16103-16113. [PMID: 39149799 DOI: 10.1021/acs.inorgchem.4c02915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/17/2024]
Abstract
The construction of doped molecular clusters is an intriguing way to perform bimetallic doping for electrocatalysts. However, efficiently harnessing the benefits of a doping strategy and alloy engineering to create a nanostructure for electrocatalytic application at the molecular level has consistently posed a challenge. Here we propose an in situ reconstruction strategy aimed at producing an alloy nanostructure through a pyrolysis process, originating from bowknot-like heterometallic clusters. The Schiff base, denoted as ligand L1 (o-vanillin ethylenediamine), was introduced as a precursor to coordinate Fe and Co metals, thereby yielding a heteronuclear metal cluster [(FeCo)(L1)2O]CH3CN. Subsequently, a comprehensive investigation of the in situ reconstruction process [(FeCo)(L1)2O](CH3CN) → [(FeCo)(L1)2O] → [M-O-M/M-O] [CH3+/CH3O+/H2C═N/C2H5+/C4H4+] → [FeCo/Fe3O4/Fe2O3/Co3O4][carbon layer] led to the formation of MOx/CoFe@NC-700 during the pyrolysis. This process reveals that the metals Fe and Co in the clusters undergo partly in situ evolution into FeCo alloys, resulting in the successful preparation of MOx/CoFe@NC (M = Fe, Co) nanomaterials that leverage the advantages of both doping strategies and alloy engineering. The synergistic interaction between alloy particles and metal oxides establishes active sites that contribute to the excellent oxygen evolution (OER) and hydrogen evolution (HER) catalytic behaviors. Notably, these materials exhibit outstanding OER and HER properties under alkaline conditions, with overpotentials of 191 and 88 mV for OER and HER, respectively, at 10 mA cm-2. Investigation of the in situ conversion of Schiff base bimetal clusters into alloy materials through pyrolysis offers a novel strategy for advancing electrocatalytic applications.
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Affiliation(s)
- Jianing Li
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry & Chemical Engineering, Qianjiang Institute of Industrial Technology, School of Microelectronics, Hubei University, Youyi Avenue 368#, Wuhan 430062, P. R. China
| | - Yuanmeng Zhao
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry & Chemical Engineering, Qianjiang Institute of Industrial Technology, School of Microelectronics, Hubei University, Youyi Avenue 368#, Wuhan 430062, P. R. China
| | - Xiangting Xie
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry & Chemical Engineering, Qianjiang Institute of Industrial Technology, School of Microelectronics, Hubei University, Youyi Avenue 368#, Wuhan 430062, P. R. China
| | - Yuxin Shi
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry & Chemical Engineering, Qianjiang Institute of Industrial Technology, School of Microelectronics, Hubei University, Youyi Avenue 368#, Wuhan 430062, P. R. China
| | - Li Li
- Wuhan National High Magnetic Field Center & School of Physic, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Shaoxi Yang
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry & Chemical Engineering, Qianjiang Institute of Industrial Technology, School of Microelectronics, Hubei University, Youyi Avenue 368#, Wuhan 430062, P. R. China
| | - Hai-Bing Xu
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry & Chemical Engineering, Qianjiang Institute of Industrial Technology, School of Microelectronics, Hubei University, Youyi Avenue 368#, Wuhan 430062, P. R. China
| | - Zheng Wang
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry & Chemical Engineering, Qianjiang Institute of Industrial Technology, School of Microelectronics, Hubei University, Youyi Avenue 368#, Wuhan 430062, P. R. China
| | - Xueli Chen
- Jiangxi Provincial Key Laboratory of Low-Carbon Solid Waste Recycling, School of Geography and Environmental Engineering, Gannan Normal University, Ganzhou 341000, P. R. China
| | - Yuxuan Hu
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry & Chemical Engineering, Qianjiang Institute of Industrial Technology, School of Microelectronics, Hubei University, Youyi Avenue 368#, Wuhan 430062, P. R. China
| | - Hai-Bin Yu
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry & Chemical Engineering, Qianjiang Institute of Industrial Technology, School of Microelectronics, Hubei University, Youyi Avenue 368#, Wuhan 430062, P. R. China
- Wuhan National High Magnetic Field Center & School of Physic, Huazhong University of Science and Technology, Wuhan 430074, P. R. China
| | - Yuebin Li
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry & Chemical Engineering, Qianjiang Institute of Industrial Technology, School of Microelectronics, Hubei University, Youyi Avenue 368#, Wuhan 430062, P. R. China
| | - Xu Peng
- Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry & Chemical Engineering, Qianjiang Institute of Industrial Technology, School of Microelectronics, Hubei University, Youyi Avenue 368#, Wuhan 430062, P. R. China
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Zhang C, Yang J, Li H, Su M, Xiong B, Gao F, Lu Q. Multi-layered heterogeneous interfaces created in Co 0.85Se@Ni 3S 4/NF to enhance supercapacitor performances by multi-step alternating electrodeposition. Dalton Trans 2024; 53:13087-13098. [PMID: 39037238 DOI: 10.1039/d4dt01118j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Abstract
Heterogeneous interface construction is of far-reaching significance to optimize the electrochemical performance of electrodes. Herein, a multi-step alternating electrochemical deposition (MAED) method is proposed to alternately deposit Co0.85Se and Ni3S4 nanosheets on a nickel foam (NF), forming a special alternate layer-by-layer structure with multi-layered heterogeneous interfaces. The creation of the multi-layered heterogeneous interfaces provides a large interfacial area for redox reactions with optimum interstitials facilitating ion diffusion, thus greatly improving the electrochemical energy storage efficiency. With the increase in the layer number, the material exhibits increasingly better energy storage performance, and 8L-Co0.85Se@Ni3S4/NF exhibits the highest specific capacitances of 2508 F g-1 and 1558 F g-1 at a scan rate of 2 mV s-1 and a current density of 1 A g-1. The 8L-Co0.85Se@Ni3S4/NF//polypyrrole (PPy)/NF asymmetric supercapacitor provides a maximum operation potential window of 1.55 V and energy densities of 76.98 and 35.74 W h kg-1 when the power densities are 775.0 and 15 500 W kg-1, respectively, superior to most of the related materials reported. Through MAED, the deposited phase and the layer number can be accurately controlled, thus providing an efficient strategy for interface construction so as to increase the electrochemical activity of the energy storage materials.
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Affiliation(s)
- Chunyan Zhang
- State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China.
| | - Jinkun Yang
- State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China.
| | - Hang Li
- State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China.
| | - Mengfei Su
- State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China.
| | - Boru Xiong
- Department of Materials Science and Engineering, Jiangsu Key Laboratory of Artificial Functional Materials, Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210023, P. R. China.
| | - Feng Gao
- Department of Materials Science and Engineering, Jiangsu Key Laboratory of Artificial Functional Materials, Collaborative Innovation Center of Advanced Microstructures, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210023, P. R. China.
| | - Qingyi Lu
- State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China.
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Jia Z, Cao J, Chen W, Yu Z, Song Y, Dong Y. Synthesis, Crystal Structure, Fluorescence and Theoretical Calculations of Three Zn(II)/Cd(II) Complexes with Bis-dentate N,N-Quinoline Schiff Base. J Fluoresc 2024:10.1007/s10895-024-03786-7. [PMID: 38958906 DOI: 10.1007/s10895-024-03786-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Accepted: 06/06/2024] [Indexed: 07/04/2024]
Abstract
Three d10 metal complexes, ZnL(OAc)2 (1), CdL(OAc)2 (2) and [CdL2(NO3)2]·CH3CN (3) were synthesized using the ligand (E)-N-(3-methoxy-4-methylphenyl)-1-(quinolin-2-yl)methanimine (L) and characterized by FT-IR spectra, NMR spectra, and CHN elemental analysis. Single-crystal X-ray diffraction analysis revealed that complexes 1 and 2 are isostructural, with the central metal adopting a hexacoordinate octahedral geometry, while complex 3 adopts a triangular dodecahedron geometry. Thermal gravimetric analysis showed that these complexes exhibit good thermal stability. Solid-state fluorescence spectroscopy measurements demonstrated that complexes 1-3 exhibit bright yellow-green fluorescence (λem = 564 nm for 1; 524 nm for 2; 542 nm for 3), suggesting their potential as photoluminescent materials. Furthermore, DFT calculations, including frontier molecular orbitals, energy levels, and surface electrostatic potential, provided insights into the structural and electronic spectral properties of complexes 1-3.
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Affiliation(s)
- Zhiyu Jia
- Institute of Catalysis for Energy and Environment, College of Chemistry & Chemical Engineering, Shenyang Normal University, Shenyang, Liaoning, 110034, P. R. China
| | - Jiahui Cao
- Institute of Catalysis for Energy and Environment, College of Chemistry & Chemical Engineering, Shenyang Normal University, Shenyang, Liaoning, 110034, P. R. China
| | - Wei Chen
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong, 529020, P. R. China
| | - Zhou Yu
- Institute of Catalysis for Energy and Environment, College of Chemistry & Chemical Engineering, Shenyang Normal University, Shenyang, Liaoning, 110034, P. R. China
| | - Yangyang Song
- Institute of Catalysis for Energy and Environment, College of Chemistry & Chemical Engineering, Shenyang Normal University, Shenyang, Liaoning, 110034, P. R. China.
| | - Yuwei Dong
- Institute of Catalysis for Energy and Environment, College of Chemistry & Chemical Engineering, Shenyang Normal University, Shenyang, Liaoning, 110034, P. R. China.
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Li L, Zhao HF, Gan MX, Zhang T, Li JN, Tao S, Peng J, Yu HB, Peng X. Amorphous conversion in pyrolytic symmetric trinuclear nickel clusters trigger trifunctional electrocatalysts. Chem Sci 2024; 15:7689-7697. [PMID: 38784754 PMCID: PMC11110135 DOI: 10.1039/d4sc01696c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 04/16/2024] [Indexed: 05/25/2024] Open
Abstract
The pursuit of multifunctional electrocatalysts holds significant importance due to their comprehension of material chemistry. Amorphous materials are particularly appealing, yet they pose challenges in terms of rational design due to their structural disorder and thermal instability. Herein, we propose a strategy that entails the tandem (low-temperature/250-350 °C) pyrolysis of molecular clusters, enabling preservation of the local short-range structures of the precursor Schiff base nickel (Ni3[2(C21H24N3Ni1.5O6)]). The temperature-dependent residuals demonstrate exceptional activity and stability for at least three distinct electrocatalytic processes, including the oxygen evolution reaction (η10 = 197 mV), urea oxidation reaction (η10 = 1.339 V), and methanol oxidation reaction (1358 mA cm-2 at 0.56 V). Three distinct nickel atom motifs are discovered for three efficient electrocatalytic reactions (Ni1 and Ni1' are preferred for UOR/MOR, while Ni2 is preferred for OER). Our discoveries pave the way for the potential development of multifunctional electrocatalysts through disordered engineering in molecular clusters under tandem pyrolysis.
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Affiliation(s)
- Li Li
- Wuhan National High Magnetic Field Center, School of Physic, Huazhong University of Science and Technology Wuhan 430074 China
| | - Hui-Feng Zhao
- Wuhan National High Magnetic Field Center, School of Physic, Huazhong University of Science and Technology Wuhan 430074 China
| | - Mei-Xing Gan
- College of Chemistry and Chemical Engineering, Hubei University Wuhan 430062 China
| | - Tao Zhang
- Wuhan National High Magnetic Field Center, School of Physic, Huazhong University of Science and Technology Wuhan 430074 China
| | - Jia-Ning Li
- College of Chemistry and Chemical Engineering, Hubei University Wuhan 430062 China
| | - Shi Tao
- School of Electronic and Information Engineering, Jiangsu Laboratory of Advanced Functional Materials, Changshu Institute of Technology Changshu 215500 China
| | - Jing Peng
- Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences Shenzhen 518055 China
| | - Hai-Bin Yu
- Wuhan National High Magnetic Field Center, School of Physic, Huazhong University of Science and Technology Wuhan 430074 China
| | - Xu Peng
- College of Chemistry and Chemical Engineering, Hubei University Wuhan 430062 China
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Mukhopadhyay S, Kottaichamy AR, Devendrachari MC, Mendhe RM, Nimbegondi Kotresh HM, Vinod CP, Ottakam Thotiyl M. Electrochemical energy storage in an organic supercapacitor via a non-electrochemical proton charge assembly. Chem Sci 2024; 15:1726-1735. [PMID: 38303938 PMCID: PMC10829031 DOI: 10.1039/d3sc05639b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 12/18/2023] [Indexed: 02/03/2024] Open
Abstract
Contrary to conventional beliefs, we show how a functional ligand that does not exhibit any redox activity elevates the charge storage capability of an electric double layer via a proton charge assembly. Compared to an unsubstituted ligand, a non-redox active carboxy ligand demonstrated nearly a 4-fold increase in charge storage, impressive capacitive retention even at a rate of 900C, and approximately a 2-fold decrease in leakage currents with an enhancement in energy density up to approximately 70% via a non-electrochemical route of proton charge assembly. Generalizability of these findings is presented with various non-redox active functional units that can undergo proton charge assembly in the ligand. This demonstration of non-redox active functional units enriching supercapacitive charge storage via proton charge assembly contributes to the rational design of ligands for energy storage applications.
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Affiliation(s)
- Sanchayita Mukhopadhyay
- Department of Chemistry, Indian Institute of Science Education and Research, Pune Dr Homi Bhabha Road Pune 411008 India
| | - Alagar Raja Kottaichamy
- Department of Chemistry, Indian Institute of Science Education and Research, Pune Dr Homi Bhabha Road Pune 411008 India
- Department of Chemistry, Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev Beer-Sheva 8410501 Israel
| | | | - Rahul Mahadeo Mendhe
- Department of Chemistry, Indian Institute of Science Education and Research, Pune Dr Homi Bhabha Road Pune 411008 India
| | | | | | - Musthafa Ottakam Thotiyl
- Department of Chemistry, Indian Institute of Science Education and Research, Pune Dr Homi Bhabha Road Pune 411008 India
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Ye SY, Wu JQ, Yu BB, Hua YW, Han Z, He ZY, Yan Z, Li ML, Meng Y, Cao X. Highly Stable Two-Dimensional Cluster-Based Ni/Co–Organic Layers for High-Performance Supercapacitors. Inorg Chem 2022; 61:18743-18751. [DOI: 10.1021/acs.inorgchem.2c03226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Si-Yuan Ye
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Jia-Qian Wu
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Bin-Bin Yu
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Yi-Wei Hua
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Zongsu Han
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (MOE), Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Zi-Yi He
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Zheng Yan
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Meng-Li Li
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
| | - Yan Meng
- Anhui Province Key Laboratory of Optoelectronic and Magnetism Functional Materials, Key Laboratory of Functional Coordination Compounds of Anhui Higher Education Institutes, Anqing Normal University, Anqing 246011, P. R. China
| | - Xuebo Cao
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, P. R. China
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