A Surfactant‐Free and Scalable General Strategy for Synthesizing Ultrathin Two‐Dimensional Metal–Organic Framework Nanosheets for the Oxygen Evolution Reaction

Zhuang, Linzhou; Ge, Lei; Liu, Hongli; Jiang, Zongrui; Jia, Yi; Li, Zhiheng; Yang, Dongjiang; Hocking, Rosalie K.; Li, Mengran; Zhang, Longzhou; Wang, Xin; Yao, Xiangdong; Zhu, Zhonghua

doi:10.1002/ange.201907600

Cited by 71 publications

(43 citation statements)

References 60 publications

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“…MOLs and MOFs have been widely investigated in a variety of electrocatalysis studies such as the hydrogen evolution reaction (HER), 5 , 88 , 89 , 91 − 95 oxygen evolution reaction (OER), 32 , 54 , 57 , 87 , 96 − 99 overall water splitting, 33 , 100 oxygen reduction reaction (ORR), 101 − 104 carbon dioxide reduction (CO 2 RR), 35 , 105 − 107 and electrocatalytic transformation of organic molecules. 34 , 108 Some reported MOLs show comparable or even better performance than benchmark noble metal-based catalysts.…”

Section: Facilitating Electron Transfer Of Mols For Electrocatalysismentioning

confidence: 99%

Metal–Organic Layers for Electrocatalysis and Photocatalysis

Cao

Wang

2020

ACS Cent. Sci.

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Metal–organic layers (MOLs) are two-dimensional analogues of metal–organic frameworks (MOFs) with a high aspect ratio and thickness down to a monolayer. Active sites on MOLs are more accessible than those on MOFs thanks to the two-dimensional feature of MOLs, which allows easier chemical modification around the catalytic center. MOLs can also be assembled with other functional materials through surface anchoring sites that can facilitate charge/energy transport through the hybrid material. MOLs are thus quite suitable for interfacial catalysis like electrocatalysis and photocatalysis. In this outlook, we focus on representative progress of constructing unique interfacial sites on MOLs with designer paths for charge separation and energy transfer, as well as cooperative cavities for superior substrate adsorption and activation. We also discuss challenges and potentials in the future development of MOL catalysts and catalysts beyond MOLs.

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Section: Facilitating Electron Transfer Of Mols For Electrocatalysismentioning

confidence: 99%

Metal–Organic Layers for Electrocatalysis and Photocatalysis

Cao

Wang

2020

ACS Cent. Sci.

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“…Zhang and co-workers reported a film made by Co-TCPP(Fe) MOF nanosheets, which exhibited high catalytic activity toward the reduction of H 2 O 2 , surpassing that of natural heme protein-constructed sensors . These unique properties have tremendously stimulated research on the devising of innovative synthesis routes toward 2D nanostructured MOF materials (Wang et al, 2019a;Zhuang et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

General Approach to Metal-Organic Framework Nanosheets With Controllable Thickness by Using Metal Hydroxides as Precursors

et al. 2020

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Metal-organic frameworks (MOFs) nanosheets have attracted great attention in recent years due to their unprecedented properties. However, the synthesis of MOF nanosheets with controllable thickness still remains a challenge. In this work, a series of MOF nanosheets, such as CuBDC (BDC = 1, 4-benzenedicarboxylate), CoNDC (NDC = naphthalene-2, 6-dicarboxylate), CoBPDC (BPDC = biphenyl-4,4'dicarboxylate), NiBDC and ZnTCPP (TCPP = tetrakis(4-carboxyphenyl)porphyrin) were successfully synthesized by using a metal hydroxide precursor approach. Importantly, the thicknesses of the obtained MOF nanosheets can be well-regulated by controlling the conversion rate of the metal hydroxides. As a proof-of-concept application, the obtained CuBDC nanosheets were used as the catalyst for olefin epoxidation, which showed much higher catalytic activity compared to the bulk crystals. This work provides an alternative method for the synthesis of various MOF nanosheets, holding great potential for various promising applications.

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“…In recent years, the introduction of CUMSs has been applied as highly active catalytic sites for catalysis, separation, and sensing. 101,114 The CUMSs can expose more active sites and act as catalytic centers, which can be beneficial to the adsorption of reactants to enhance electrocatalysis.…”

Section: Coordinatively Unsaturated Metal Sitesmentioning

confidence: 99%

“…Recently, the Zhuang group reported a facile fabrication of ultrathin MOF-74 nanosheets (NSs) with rich CUMs (FeCo-MNS-1.0) through 2D oxide sacrifice approach (2dOSA). 114 The CUMs played an active role for OER, which maximized the exposure of metal active center. The ex situ extended X-ray absorption fine structure (EXAFS) showed that the coordination numbers (C.N.)…”

Section: Coordinatively Unsaturated Metal Sitesmentioning

confidence: 99%

Recent advances in vacancy engineering of metal‐organic frameworks and their derivatives for electrocatalysis

Gao

et al. 2021

SusMat

248

115

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The efficient electrocatalysis plays the key role in the development of electrochemical energy conversion technologies to alleviate energy crisis. Given their multiple active sites and large specific surface areas as electrocatalysts, metalorganic frameworks (MOFs) and their derivatives have attracted considerable interests in recent years. Specially, exploring the roles of the enhanced active sites in MOFs and their derivatives is significant for understanding and developing new effective electrocatalysts. Recently, the vital role of vacancies has been proven to promote electrocatalytic processes (such as H 2 or O 2 evolution reactions, O 2 reduction reactions, and N 2 reduction reactions). In order to in-depth exploring the effect of vacancies in electrocatalysts, the vacancies classification, synthetic strategy, and the recent development of various vacancies in MOFs and their derivatives for electrocatalysis are reviewed. Also, the perspectives on the challenges and opportunities of vacancies in MOFs and their derivatives for electrocatalysis are presented.

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A Surfactant‐Free and Scalable General Strategy for Synthesizing Ultrathin Two‐Dimensional Metal–Organic Framework Nanosheets for the Oxygen Evolution Reaction

Cited by 71 publications

References 60 publications

Metal–Organic Layers for Electrocatalysis and Photocatalysis

Metal–Organic Layers for Electrocatalysis and Photocatalysis

General Approach to Metal-Organic Framework Nanosheets With Controllable Thickness by Using Metal Hydroxides as Precursors

Recent advances in vacancy engineering of metal‐organic frameworks and their derivatives for electrocatalysis

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