Facile preparation of CoSe2 nano-vesicle derived from ZIF-67 and their application for efficient water oxidation

Li, Zhao; Jiang, Zizhan; Zhu, Weiping; He, Changchun; Wang, Peng; Wang, Xiang; Li, Tongxiang; Tian, Lin

doi:10.1016/j.apsusc.2019.144368

Cited by 65 publications

(21 citation statements)

References 48 publications

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“…In addition to electronic structure modulation through alloy formation, the geometric structure engineering of catalyst is an efficient strategy for electrocatalytic reactions, as the electrochemical and heterogeneous reactions typically occur on the surface of catalysts. [ 21–23 ] In this case, a pre‐eminent catalyst should have a high surface‐active area to offer a sufficient active center and the appropriate adsorption energy, thereby optimizing the adsorption strength of reaction intermediates. [ 24,25 ] Among the Pt‐based nanocatalysts with various architectures, 1D nanostructures, especially 1D ultrafine nanowires (UNWs) with the diameter less than 10 nm have received significant interest owing to their abundant structural merits, such as unique anisotropy, high atom utilization efficiency, fast charge transfer, and good resistibility to dissolution, aggregation, and Ostwald ripening.…”

Section: Introductionmentioning

confidence: 99%

Ultrafine Pt‐Based Nanowires for Advanced Catalysis

Shang

Wang

et al. 2020

Adv Funct Materials

232

151

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At the frontier of electrocatalysis and heterogeneous reactions, significant effort has been devoted to Pt-based nanomaterials owing to their advantages of tunable morphology and excellent catalytic properties. In contrast to Ptbased nanocatalysts with other morphologies, nanowire catalysts, especially 1D ultrafine nanowire (NW) structure, are garnering increased attention because of their advantages of high atomic efficiency, intrinsic isotropy, rich high-index facets, better conductivity, robust structure stability for prohibiting dissolution, ripening, and aggregation. Regardless of these advantages, it is still challenging to realize the precise control of ultrafine Pt-based NWs in terms of their size, crystal phase structure, and composition. Aiming to synthesize advanced ultrafine Pt-based NWs catalysts with higher activity, durability, and selectivity toward catalytic reactions, this review summarizes the recently available approaches for improving the catalytic performance of ultrafine Pt-based NWs with detailed guidance. A summary of recent progress in ultrafine Pt-based NWs catalysts for advanced catalysis and heterogeneous reactions is also provided. Furthermore, integrated experimental and theoretical studies are reviewed to explain the activity, stability, and selectivity enhancement mechanism. In the final section, the challenges and outlook are also discussed to provide guidance for the rational engineering of efficient ultrafine Pt-based NWs catalysts for applications in renewable-energy-related devices.

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Section: Introductionmentioning

confidence: 99%

Ultrafine Pt‐Based Nanowires for Advanced Catalysis

Shang

Wang

et al. 2020

Adv Funct Materials

232

151

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“…Thus, we were able to encapsulate CoTMPP molecule inside ZIF‐8 MOF and prepare an efficient catalyst that can perform electrocatalytic OER in a wide pH range and also can perform electrocatalytic ORR in neutral pH (Section S10 in the Supporting Information). Although, in last few years, handful of highly efficient OER catalysts have been reported by researchers, [58–64] the catalytic OER efficiency of CTMZ‐8 can be compared with the best MOF based OER catalysts that can perform OER in neutral pH (Section S10 in the Supporting Information).…”

Section: Mechanistic and Kinetic Analysismentioning

confidence: 99%

ZIF‐8 MOF Encapsulated Co‐porphyrin, an Efficient Electrocatalyst for Water Oxidation in a Wide pH Range: Works Better at Neutral pH

2020

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Water oxidation (WO) is the most important and thermodynamically challenging process associated with water splitting. Several metal porphyrins are reported to perform catalytic WO through the central metal but [5,10,15,20‐tetrakis(4‐methoxyphenyl)porphyrinato]cobalt(II) (abbreviated as CoTMPP), which is well‐known for its ability to perform oxygen reduction reaction (ORR), lacks the capacity to perform WO. Here we have successfully activated CoTMPP towards electrochemical WO by means of its in situ encapsulation inside the cavity of a versatile metal organic framework (MOF), known as zeolitic imidazolate framework‐8 (ZIF‐8). The composite, thus prepared i. e., CoTMPP@ZIF‐8 (abbreviated as CTMZ‐8), behaves as a heterogeneous, robust, and efficient electrocatalyst for oxygen evolution reaction (OER) at a wide pH range (from acidic to neutral). Required overpotential (η) of 387.4 mV (neutral pH) and 562.7 mV (pH 2) and high turnover frequency (TOF) of 2.7 s−1 (at neutral pH) make this composite (CTMZ‐8) an efficient electrocatalyst for WO. To the best of our knowledge, this is the first report of electrocatalytic WO by CoTMPP.

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“…As society develops, the existing fossil energy stored on the earth has been consumed in large quantities and environmental pollution has deteriorated rapidly, prompting researchers to develop inexpensive, high-efficiency, and clean fungible power sources. − Hydrogen as a kind of new energy comes from various sources with high calorific value and pollution-free combustion, which can be used as an effective alternative to traditional energy. , Currently, the electrochemical hydrogen evolution reaction (HER) by water splitting, a practical and simple way to produce hydrogen, is currently considered as an effective and important method worth studying. , However, one of the important problems is the slow kinetic speed of the HER, which needs to be carried out using efficient catalysts. The noble metal Pt is known as the furthest ideal catalytic material utilized in the HER at present because of its excellent overpotential, fast kinetic process, and the best binding force with hydrogen. , However, Pt is a precious metal that is expensive and scarce and hence cannot be applied in large-scale applications. − Therefore, designing efficient and cheap catalysts is a goal of researchers.…”

Section: Introductionmentioning

confidence: 99%

Trace Amount of NiP₂ Cooperative CoMoP Nanosheets Inducing Efficient Hydrogen Evolution

Wang

Bai

et al. 2021

ACS Omega

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As a very attractive clean energy, hydrogen has a high energy density and great potential to achieve zero pollution emission. Therefore, the preparation of hydrogen evolution electrocatalysts with excellent performance is an urgent task to ameliorate the global energy shortage and environmental pollution. Here, a trace amount of NiP 2 coupled with CoMoP nanosheets (NCMP) was synthesized by the one-step hydrothermal method and low-temperature phosphidation. Studies have found that although the dosage of NiP 2 is very low, its appearance has been efficient to improve the hydrogen evolution reaction (HER) performance of CoMoP, which may be induced by the synergistic effect of the two different components NiP 2 and CoMoP. To find the superior catalyst, the effect of Ni content on the catalyst performance is also studied, and it is found that when the dosage of Ni is 0.02 mM, NCMP-2 (2 means 0.02 mM) displays the most outstanding overpotential (10 mA cm −2 ) of 46 mV.

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Facile preparation of CoSe2 nano-vesicle derived from ZIF-67 and their application for efficient water oxidation

Cited by 65 publications

References 48 publications

Ultrafine Pt‐Based Nanowires for Advanced Catalysis

Ultrafine Pt‐Based Nanowires for Advanced Catalysis

ZIF‐8 MOF Encapsulated Co‐porphyrin, an Efficient Electrocatalyst for Water Oxidation in a Wide pH Range: Works Better at Neutral pH

Trace Amount of NiP₂ Cooperative CoMoP Nanosheets Inducing Efficient Hydrogen Evolution

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Facile preparation of CoSe2 nano-vesicle derived from ZIF-67 and their application for efficient water oxidation

Cited by 65 publications

References 48 publications

Ultrafine Pt‐Based Nanowires for Advanced Catalysis

Ultrafine Pt‐Based Nanowires for Advanced Catalysis

ZIF‐8 MOF Encapsulated Co‐porphyrin, an Efficient Electrocatalyst for Water Oxidation in a Wide pH Range: Works Better at Neutral pH

Trace Amount of NiP2 Cooperative CoMoP Nanosheets Inducing Efficient Hydrogen Evolution

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Product

Resources

About

Trace Amount of NiP₂ Cooperative CoMoP Nanosheets Inducing Efficient Hydrogen Evolution