文献详情
Electrocatalytic hydrogen evolution with gallium hydride and ligand-centered reduction
文献类型：期刊
期刊名称：Chemical science影响因子和分区
年：2019
卷：10
期：8
页码：2308-2314
ISSN：2041-6520
所属部门：化学系
摘要：GaIII chloride tetrakis(pentafluorophenyl)porphyrin (1) was synthesized and shown to be a highly active and stable post-transition metal-based electrocatalyst for the hydrogen evolution reaction (HER). Electrochemical and spectroscopic studies indicate that both the first and second reduction events of 1 are ligand-centered. The 2e-reduced form 12- reacts with a proton to give GaIII-H species (1-H), which undergoes protonolysis with Br?nsted acids to produce H2. The identification of key interme ...More
GaIII chloride tetrakis(pentafluorophenyl)porphyrin (1) was synthesized and shown to be a highly active and stable post-transition metal-based electrocatalyst for the hydrogen evolution reaction (HER). Electrochemical and spectroscopic studies indicate that both the first and second reduction events of 1 are ligand-centered. The 2e-reduced form 12- reacts with a proton to give GaIII-H species (1-H), which undergoes protonolysis with Br?nsted acids to produce H2. The identification of key intermediates 1-, 12-, and 1-H leads to a catalytic cycle, which is valuable for the fundamental understanding of the HER. This study presents a rare but highly active HER electrocatalyst with unusual features, including ligand-centered electron transfer and formation of post-transition metal hydride. ...Hide

DOI：10.1039/c8sc05247f
百度学术：Electrocatalytic hydrogen evolution with gallium hydride and ligand-centered reduction
语言：外文
人气指数：1
浏览次数：1
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