二维碘铅酸银电催化析氢和光催化降解催化剂。

IF 4.7 2区化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR

Inorganic Chemistry Pub Date : 2025-09-24 DOI:10.1021/acs.inorgchem.5c02604

Xing Liu,Yun Jiang,Xian Guo,Jian Zhou

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引用次数: 0

摘要

双功能异金属碘化物的发现对于潜在的电催化析氢和光催化降解应用是非常可取的。本文采用水热法制备了一种有机-无机杂化的二维碘铅酸银[H2bip]2[Ag2Pb3I12] （AgPbI-1）。AgPbI-1由二聚体[Ag2I6]4-单元和不常见的一维碘铅酸链[Pb3I126-]n组成，它们进一步相互连接，形成一种新型的二维碘铅酸银层[Ag2Pb3I124-]n，具有最大的[Ag4Pb6I8]异环性。将AgPbI-1与覆盖在多孔泡沫镍（NF）表面的Ni纳米颗粒结合，使Ni/AgPbI-1/NF电极作为有效催化剂，具有优异的析氢反应活性，在10 mA·cm-2下过电位低至121 mV。AgPbI-1在可见光照射下也表现出优异的光催化降解亚甲基蓝的活性。这些结果突出了AgPbI-1作为高效双功能催化剂在HER和光降解领域的巨大潜力。

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2-D Silver Iodoplumbate Catalysts for Electrocatalytic Hydrogen Evolution and Photocatalytic Degradation.

The discovery of bifunctional heterometallic iodides is awfully desirable for the potential electrocatalytic hydrogen evolution and photocatalytic degradation applications. Herein, one organic-inorganic hybrid 2-D silver iodoplumbate [H2bip]2[Ag2Pb3I12] (AgPbI-1) has been hydro-thermally prepared. AgPbI-1 comprises dimeric [Ag2I6]4- unit and infrequent 1-D iodoplumbate chain [Pb3I126-]n, which are further interconnected to form a new type of 2-D silver iodoplumbate layer [Ag2Pb3I124-]n with the largest [Ag4Pb6I8] heteroring. The combination of AgPbI-1 with Ni nanoparticles covering the surface of the porous nickel foam (NF) results in the Ni/AgPbI-1/NF electrode as an effective catalyst, indicating excellent hydrogen evolution reaction (HER) activity with a low overpotential of 121 mV at 10 mA·cm-2. AgPbI-1 also shows the exceptional photocatalytic degradation activity of methylene blue under visible-light illumination. These results highlight the great potential of AgPbI-1 as the efficient bifunctional catalyst in HER and photodegradation applications.

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来源期刊

Inorganic Chemistry 化学-无机化学与核化学

CiteScore

7.60

自引率

13.00%

发文量

1960

审稿时长

1.9 months

期刊介绍： Inorganic Chemistry publishes fundamental studies in all phases of inorganic chemistry. Coverage includes experimental and theoretical reports on quantitative studies of structure and thermodynamics, kinetics, mechanisms of inorganic reactions, bioinorganic chemistry, and relevant aspects of organometallic chemistry, solid-state phenomena, and chemical bonding theory. Emphasis is placed on the synthesis, structure, thermodynamics, reactivity, spectroscopy, and bonding properties of significant new and known compounds.