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Yang Y, Yao X, Xuan Z, Chen X, Zhang Y, Huang T, Shi M, Chen Y, Lan YQ. Porous crystalline conjugated macrocyclic materials and their energy storage applications. MATERIALS HORIZONS 2024; 11:3747-3763. [PMID: 38895771 DOI: 10.1039/d4mh00313f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
Porous crystalline conjugated macrocyclic materials (CMMs) possess high porosity, tunable structure/function and efficient charge transport ability owing to their planar macrocyclic conjugated π-electron system, which make them promising candidates for applications in energy storage. In this review, we thoroughly summarize the timely development of porous crystalline CMMs in energy storage related fields. Specifically, we summarize and discuss their structures and properties. In addition, their energy storage applications, such as lithium ion batteries, lithium sulfur batteries, sodium ion batteries, potassium ion batteries, Li-CO2 batteries, Li-O2 batteries, Zn-air batteries, supercapacitors and triboelectric nanogenerators, are also discussed. Finally, we present the existing challenges and future prospects. We hope this review will inspire the development of advanced energy storage materials based on porous crystalline CMMs.
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Affiliation(s)
- Yiwen Yang
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Xiaoman Yao
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Zhe Xuan
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Xuanxu Chen
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Yuluan Zhang
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Taoping Huang
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Mingjin Shi
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Yifa Chen
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
| | - Ya-Qian Lan
- School of Chemistry, South China Normal University, Guangzhou, 510006, China.
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2
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Chen S, Chung LH, Chen S, Jiang Z, Li N, Hu J, Liao WM, He J. Efficient Lead Removal by Assembly of Bio-Derived Ellagate Framework, Which Enables Electrocatalytic Reduction of CO 2 to Formate. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2400978. [PMID: 38593307 DOI: 10.1002/smll.202400978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 03/19/2024] [Indexed: 04/11/2024]
Abstract
Lead (Pb) poisoning and CO2-induced global warming represent two exemplary environmental and energy issues threatening humanity. Various biomass-derived materials are reported to take up Pb and convert CO2 electrochemically into low-valent carbon species, but these works address the problems separately rather than settle the issues simultaneously. In this work, cheap, natural ellagic acid (EA) extracted from common plants is adopted to assemble a stable metal-organic framework (MOF), EA-Pb, by effective capture of Pb2+ ions in an aqueous medium (removal rate close to 99%). EA-Pb represents the first structurally well-defined Pb-based MOF showing selective electrocatalytic CO2-to-HCOO- conversion with Faradaic efficiency (FE) of 95.37% at -1.08 V versus RHE. The catalytic mechanism is studied by 13CO2 labeling, in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS), and theoretical calculation. The use of EA-Pb as an electrocatalyst for CO2 reduction represents a 2-in-1 solution of converting detrimental wastes (Pb2+) as well as natural resources (EA) into wealth (electrocatalytic EA-Pb) for addressing the global warming issue.
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Affiliation(s)
- Song Chen
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, P. R. China
| | - Lai-Hon Chung
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, P. R. China
| | - Shaoru Chen
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, P. R. China
| | - Zhixin Jiang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, P. R. China
| | - Ning Li
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, P. R. China
| | - Jieying Hu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, P. R. China
| | - Wei-Ming Liao
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, P. R. China
| | - Jun He
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, P. R. China
- Guangdong Provincial Laboratory of Chemistry and Fine Chemical Engineering Jieyang Center, Jieyang, 515200, P. R. China
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3
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Zhong H, Jiang Z, Hu J, Chung LH, He J. 2D metal-organic frameworks bearing butterfly-shaped metal-bis(dithiolene) linkers from dithiol-functionalized benzenedicarboxylic acid. Chem Commun (Camb) 2024; 60:7578-7581. [PMID: 38953148 DOI: 10.1039/d4cc02282c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
An assembly between 1,4-dicarboxylbenzene-2,3-dithiol (H2dcbdt) and different transition metal ions successfully produced 2D metal-organic frameworks (M-dcbdt, M = Ni, Co or Fe) composed of unprecedented butterfly-shaped metal-bis(dithiolene) (MS4) linkers in one-pot fashion. Such strategy provides easier access to the [MS4]-rich network and lowers the prerequisite to explore their applications.
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Affiliation(s)
- Hao Zhong
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China.
| | - Zhixin Jiang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China.
| | - Jieying Hu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China.
| | - Lai-Hon Chung
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China.
- Guangdong Provincial Laboratory of Chemistry and Fine Chemical Engineering Jieyang Center, Jieyang 515200, China.
| | - Jun He
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, P. R. China.
- Guangdong Provincial Laboratory of Chemistry and Fine Chemical Engineering Jieyang Center, Jieyang 515200, China.
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Dontireddy GMR, Suman SP, Merino-Gardea JL, Chen T, Dou JH, Banda H. Arresting dissolution of two-dimensional metal-organic frameworks enables long life in electrochemical devices. Chem Sci 2024; 15:10416-10424. [PMID: 38994412 PMCID: PMC11234863 DOI: 10.1039/d4sc02699c] [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: 04/22/2024] [Accepted: 05/31/2024] [Indexed: 07/13/2024] Open
Abstract
Two-dimensional conjugated metal-organic frameworks (2D cMOFs) are emerging as promising materials for electrochemical energy storage (EES). Despite considerable interest, an understanding of their electrochemical stability and the factors contributing to their degradation during cycling is largely lacking. Here we investigate three Cu-based MOFs and report that the dissolution of 2D cMOFs into electrolytes is a prevalent and significant degradation pathway. Several factors, such as the inherent solubility of ligands in electrolyte solvents and the duration of charge-discharge cycling exert a strong influence on the dissolution process. When these factors combine within a MOF, severely limited cycling stability is observed, with dissolution accounting for up to 80% of capacity degradation. Conversely, excellent cycling stability is observed when testing a Cu-MOF with a sparingly soluble ligand within an optimized potential window. Overall, these findings represent essential insights into the electrochemical stability of 2D cMOFs, offering crucial guidelines for their targeted development in EES applications.
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Affiliation(s)
- Gopi M R Dontireddy
- Department of Chemistry and Biochemistry, The University of Texas at El Paso El Paso Texas 79968 USA
| | - Satya Prakash Suman
- Department of Chemistry and Biochemistry, The University of Texas at El Paso El Paso Texas 79968 USA
| | - Jose L Merino-Gardea
- Department of Chemistry and Biochemistry, The University of Texas at El Paso El Paso Texas 79968 USA
| | - Tianyang Chen
- Department of Chemical Engineering, Stanford University Stanford California 94305 USA
| | - Jin-Hu Dou
- School of Materials Science and Engineering, Peking University Beijing 100871 China
| | - Harish Banda
- Department of Chemistry and Biochemistry, The University of Texas at El Paso El Paso Texas 79968 USA
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Li S, Jiang B, Liu G, Shi C, Yu H, Lin Y. A new attempt to remove toluene using nickel-iron bimetallic particle electrode reactor. Sci Rep 2024; 14:10056. [PMID: 38698147 PMCID: PMC11065997 DOI: 10.1038/s41598-024-60956-0] [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: 02/26/2024] [Accepted: 04/29/2024] [Indexed: 05/05/2024] Open
Abstract
A new attempt of removing toluene waste gas using a three-dimensional electrode reaction device with nickel-iron bimetallic particle electrode is presented in this paper. The particle electrode was prepared by a simple liquid phase reduction method. Through bimetal modification, the particle electrode mass transfer rate is increased to 1.29 times, and the degradation efficiency of the reactor is increased by nearly 40%, which makes it possible to remove toluene waste gas by other electrochemical methods in addition to plasma method. The removal efficiency of the particle electrode can be stabilized at more than 80% after 5 cycles (50 h). At the same time, the relationship between independent working parameters and dependent variables is analyzed using the central composite design, and the operating parameters are optimized. Based on this study, the removal mechanism and possible degradation pathway of toluene were investigated. This study provides a supplement to the possibility and theoretical basis of new technology application for electrocatalytic oxidation removal of VOCs.
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Affiliation(s)
- Siwen Li
- School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Bo Jiang
- Jilin Research and Design Institute of Building Science (Jilin Province Construction Engineering Quality Test Center), Changchun, 130011, China
| | - Gen Liu
- School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Chunyan Shi
- The University of Kitakyushu, 1-1 Hibikino Wakamatsuku Kitakyushu, Fukuoka, Japan
| | - Hongbin Yu
- School of Environment, Northeast Normal University, Changchun, 130117, China.
| | - Yingzi Lin
- School of Municipal & Environmental Engineering, Jilin Jianzhu University, Changchun, 130118, China.
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6
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Su AY, Apostol P, Wang J, Vlad A, Dincă M. Electrochemical Capacitance Traces with Interlayer Spacing in Two-dimensional Conductive Metal-Organic Frameworks. Angew Chem Int Ed Engl 2024; 63:e202402526. [PMID: 38415379 DOI: 10.1002/anie.202402526] [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: 02/04/2024] [Revised: 02/27/2024] [Accepted: 02/27/2024] [Indexed: 02/29/2024]
Abstract
Electrically conductive metal-organic frameworks (MOFs) are promising candidates for electrochemical capacitors (EC) for fast energy storage due to their high specific surface areas and potential for redox activity. To maximize energy density, traditional inorganic pseudocapacitors have utilized faradaic processes in addition to double-layer capacitance. Although conductive MOFs are usually comprised of redox active ligands which allow faradaic reactions upon electrochemical polarization, systematic studies providing deeper understanding of the charge storage processes and structure-function relationships have been scarce. Here, we investigate the charge storage mechanisms of a series of triazatruxene-based 2D layered conductive MOFs with variable alkyl functional groups, Ni3(HIR3-TAT)2 (TAT=triazatruxene; R=H, Et, n-Bu, n-Pent). Functionalization of the triazatruxene core allows for systematic variation of structural parameters while maintaining in-plane conjugation between ligands and metals. Specifically, R groups modulate interlayer spacing, which in turn shifts the charge storage mechanism from double-layer capacitance towards pseudocapacitance, leading to an increase in molar specific capacitance from Ni3(HIH3-TAT)2 to Ni3(HIBu3-TAT)2. Partial exfoliation of Ni3(HIBu3-TAT)2 renders redox active ligand moieties more accessible, and thus increases the dominance of faradaic processes. Our strategy of controlling charge storage mechanism through tuning the accessibility of redox-active sites may motivate further design and engineering of electrode materials for EC.
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Affiliation(s)
- Alice Y Su
- Department of Chemistry, Massachusetts Institute of Technology, 02139, Cambridge, USA
| | - Petru Apostol
- Institute of Condensed Matter and Nanosciences, Molecular Chemistry, Materials and Catalysis, Université Catholique de Louvain, Louvain-la-Neuve, B-1348, Belgium
| | - Jiande Wang
- Department of Chemistry, Massachusetts Institute of Technology, 02139, Cambridge, USA
| | - Alexandru Vlad
- Institute of Condensed Matter and Nanosciences, Molecular Chemistry, Materials and Catalysis, Université Catholique de Louvain, Louvain-la-Neuve, B-1348, Belgium
| | - Mircea Dincă
- Department of Chemistry, Massachusetts Institute of Technology, 02139, Cambridge, USA
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7
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Su X, Zhong Z, Yan X, Xu Y, Zhang T, Ma Y, Chen L. De Novo Design and Facile Synthesis of Highly Crystalline 2D Conductive Metal-Organic Frameworks: A "Rotor-Stator" Strategy. J Am Chem Soc 2024; 146:9036-9044. [PMID: 38507821 DOI: 10.1021/jacs.3c13985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Two-dimensional conductive metal-organic frameworks (2D c-MOFs), which feature high electrical conductivity and large charge carrier mobility, hold great promise in electronics and optoelectronics. Nevertheless, the limited solubility of commonly used planar ligands inevitably brings challenges in synthesis and purification and causes laborious coordination conditions for screening. Moreover, most reported 2D c-MOFs are polycrystalline powders with relatively low crystallinity and irregular morphology, hindering the unveiling of the detailed structure-function relationship. Herein, we developed a "rotor-stator" molecular design strategy to construct 2D c-MOFs using a delicately designed nonplanar biscarbazole ligand (8OH-DCB). Benefiting from the special "rotor-stator" structure of the ligand, crystals of Cu-DCB-MOF were successfully prepared, allowing for the precise determination of their crystal structure. Interestingly, the crystals of Cu-DCB-MOF can be obtained in various organic solvents, indicating excellent solvent compatibility. The versatility of the "rotor-stator" molecular design strategy was further demonstrated by another two new ligands with a "rotor-stator" structure, and afford corresponding 2D c-MOF crystals (Cu-DCBT-MOF and Cu-DCBBT-MOF). The current work presents a facile approach toward the rational design and direct construction of highly crystalline 2D c-MOFs using nonplanar ligands.
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Affiliation(s)
- Xi Su
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Zhiye Zhong
- School of Physical Science and Technology & Shanghai Key Laboratory of High-Resolution Electron Microscopy, ShanghaiTech University, Shanghai 201210, China
| | - Xiaoli Yan
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Yunpeng Xu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Ting Zhang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Yanhang Ma
- School of Physical Science and Technology & Shanghai Key Laboratory of High-Resolution Electron Microscopy, ShanghaiTech University, Shanghai 201210, China
| | - Long Chen
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
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Li J, Pei C, Yang S, Zhang D, Sun B, Shen Z, Ni S. N-Doped Carbon Nanonecklaces with Encapsulated BiOCl Nanoparticles as High-Rate Anodes for Lithium-Ion Batteries. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:906-914. [PMID: 38130111 DOI: 10.1021/acs.langmuir.3c03052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
The unique two-dimensional layered structure of BiOCl makes it highly promising for energy storage applications. In this study, we successfully synthesized BiOCl nanoparticles encapsulated in N-doped carbon nanonecklaces (BiOCl NPs/N-CNNs) using well-established electrospinning and solvothermal substitution. As an anode material for lithium-ion batteries, BiOCl NPs/N-CNNs exhibited enhanced rate performance, delivering a capacity of 220.2 mA h g-1 at 8 A g-1. Furthermore, it demonstrated remarkable long cycle stability, retaining a capacity of 200.5 mA h g-1 after 9000 cycles with a discharge rate of 8.0 A g-1. The superior electrochemical performance can be attributed to the stacked layered structure of BiOCl, facilitated by van der Waals force, as well as the ingenious nanonecklace structures. These structures not only provide fast ion diffusion pathways but also enhance electrolyte penetration and offer more active sites for Li+ insertion and extraction. Additionally, the nanonecklace structure prevents the aggregation of nanopolyhedra, promoting the complete reaction of BiOCl with Li+. Moreover, the unique nanopolyhedron structure alleviates the stress caused by the volume expansion of Bi nanoparticles during cycling and reduces the internal resistance of the electrode.
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Affiliation(s)
- Jintong Li
- College of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, People's Republic of China
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, People's Republic of China
| | - Cunyuan Pei
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, People's Republic of China
| | - Song Yang
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, People's Republic of China
| | - Dongmei Zhang
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, People's Republic of China
| | - Bing Sun
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, People's Republic of China
| | - Zexiang Shen
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, People's Republic of China
| | - Shibing Ni
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang 443002, People's Republic of China
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Sun Y, Fan W, Li Y, Sui NLD, Zhu Z, Zhou Y, Lee JM. Tuning Coordination Structures of Zn Sites Through Symmetry-Breaking Accelerates Electrocatalysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2306687. [PMID: 37649133 DOI: 10.1002/adma.202306687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 08/19/2023] [Indexed: 09/01/2023]
Abstract
Manipulating the coordination environment of individual active sites in a precise manner remains an important challenge in electrocatalytic reactions. Herein, inspired by theoretical predictions, a facile procedure to synthesize a series of symmetry-breaking zinc metal-organic framework (Zn-MOF) catalysts with well-defined structures is presented. Benefiting from the optimized coordination microenvironment regulated by symmetry-breaking, Zn-N2 S2 -MOF exhibits the best performance of nitrogen (N2 ) reduction reaction (NRR) with NH3 yield rate of 25.07 ± 1.57 µg h-1 cm-2 and Faradaic efficiency of 44.57 ± 2.79% compared with reported Zn-based NRR catalysts. X-ray absorption near-edge structure shows that the symmetry-breaking distorts the coordination environment and modulates the delocalized electrons around the Zn sites, which favors the formation of unpaired low-valence Znδ+ , thereby facilitating the adsorption/activation of N2 . Theoretical calculations elucidate that low-valence Znδ+ in Zn-N2 S2 -MOF can effectively lower the energy barrier of potential determining step, promoting the kinetics and boosting the NRR activity. This work highlights the relationship between the precise coordination environment of metal sites and the catalytic activity, which offers insightful guidance for rationally designing high-efficiency electrocatalysts.
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Affiliation(s)
- Yuntong Sun
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Wenjun Fan
- Dalian National Laboratory for Clean Energy, State Key Laboratory of Catalysis, iChEM, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Yinghao Li
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Nicole L D Sui
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
- Environmental Chemistry and Materials Centre, Nanyang Environment & Water Research Institute (NEWRI), Interdisciplinary Graduate Programme, Nanyang Technological University, Singapore, 637141, Singapore
| | - Zhouhao Zhu
- National Engineering Research Center for Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, Zhoushan, 316004, China
| | - Yingtang Zhou
- National Engineering Research Center for Marine Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, Zhoushan, 316004, China
| | - Jong-Min Lee
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
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Wang X, Hang X, Zhang G, An Y, Liu B, Pang H. Metal Ion-controlled Growth of Different Metal-Organic Framework Micro/nanostructures for Enhanced Supercapacitor Performance. Chem Asian J 2023; 18:e202300859. [PMID: 37843823 DOI: 10.1002/asia.202300859] [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: 09/30/2023] [Revised: 10/16/2023] [Accepted: 10/16/2023] [Indexed: 10/17/2023]
Abstract
We report a metal ion-modulated effective strategy to achieve different metal-organic framework (MOF) micro/nanostructures using different metal precursors like CoCl2 ⋅ 6H2 O, CoCl2 ⋅ 6H2 O and NiCl2 ⋅ 6H2 O, and NiCl2 ⋅ 6H2 O with pyridine-3,5-dicarboxylate (3,5-pdc). The structural characterizations confirm that different morphological structures, hollow microsphere, hierarchical nanoflower, and solid nanosphere are for Co-(3,5-pdc), Co0.19 Ni0.81 -(3,5-pdc), and Ni-(3,5-pdc), respectively. These different MOF micro/nanostructures correlate with the coordination ability of Co and Ni with 3,5-pdc. Benefitting from the synergistic effect of the alloying metal nodes of Co and Ni producing rapid and rich redox reactions and the hierarchical nanoflower with higher surface area enabling excellent ion kinetics, the Co0.19 Ni0.81 -(3,5-pdc) exhibits higher specific capacitance of 515 F g-1 /273 C g-1 at 0.5 A g-1 than that of Ni-(3,5-pdc) (290 F g-1 /153.7 C g-1 ) and Co-(3,5-pdc) (132 F g-1 /67 C g-1 ), good rate capability and cycling stability. Moreover, the asymmetric supercapacitor device (Co0.19 Ni0.81 -(3,5-pdc)//AC) assembled from Co0.19 Ni0.81 -(3,5-pdc) and activated carbon (AC) achieves a maximum energy density of 42.6 Wh kg-1 at a power density of 277.3 W kg-1 .
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Affiliation(s)
- Xiaoju Wang
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Xinxin Hang
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Guangxun Zhang
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Yang An
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Bei Liu
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
| | - Huan Pang
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy, Yangzhou University, Yangzhou, 225002, Jiangsu, P. R. China
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11
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Guo J, Wu L, Ye YX, Zhu F, Xu J, Ouyang G. Two-Dimensional Conductive Metal-Organic Framework for Small-Molecule Sensing in Aqueous Solution. Anal Chem 2023; 95:13412-13416. [PMID: 37624146 DOI: 10.1021/acs.analchem.3c02417] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
Two-dimensional (2D) conductive metal-organic frameworks (cMOFs) have emerged as powerful transducers for electrochemical sensing. However, electrochemical sensing in aqueous solutions remains at a very early stage for 2D cMOFs. Herein, the interfacial capacitances of a 2D cMOF are utilized for electrochemical sensing for the first time. Various redox-innocent compounds along with redox-active compounds in aqueous solutions are successfully detected based on the responses of two capacitance peaks at low voltages. The quantitative sensitivity to ascorbic acid is even an order of magnitude higher than the previous voltammetric method. Further investigation demonstrates that the responses are rooted in the pseudocapacitances of the 2D cMOF, i.e., the transitions among the multiple redox states of the ligands. The analytes are suggested to alert the d-p conjugation and exchange electrons with the 2D cMOF. These deep insights in response mechanisms represent an important step for promoting the application of 2D cMOFs in chemical sensing.
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Affiliation(s)
- Jing Guo
- Ministry of Education Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Lihua Wu
- Ministry of Education Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Yu-Xin Ye
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
| | - Fang Zhu
- Ministry of Education Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Jianqiao Xu
- Ministry of Education Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Gangfeng Ouyang
- Ministry of Education Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
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