Hydrogen production in a neutral aqueous solution with a water-soluble copper complex

被引：25

作者：

Xin, Zhi-Juan ^{[1
]}

Liu, Si ^{[1
]}

Li, Cheng-Bo ^{[2
]}

Lei, You-Jia ^{[1
]}

Xue, Dong-Xu ^{[1
]}

Gao, Xue-Wang ^{[3
]}

Wang, Hong-Yan ^{[1
]}

机构：

[1] Shaanxi Normal Univ, Sch Chem & Chem Engn, Key Lab Macromol Sci Shaanxi Prov, Xian 710119, Peoples R China

[2] Northwest Univ, Coll Chem & Mat Sci, Xian 710127, Peoples R China

[3] Chinese Acad Sci, Key Lab Photochem Convers & Optoelect Mat, Tech Inst Phys & Chem, Beijing 100190, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 07期

基金：

中国国家自然科学基金;

关键词：

Electrocatalytic; Photo-induced; Hydrogen production; Copper complex; Water-soluble; EVOLUTION; CATALYST; OXIDATION; COBALT; ELECTROCATALYSTS; GENERATION; REDUCTION; PORPHYRIN;

D O I：

10.1016/j.ijhydene.2016.11.103

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A water-soluble polypyridine copper complex Cu(dpp)(ClO4)(2) (1, dpp = 2,9-di(pyridin-2-yl)1,10-Phenanthroline) enables to electrocatalyze H-2 generation from neutral phosphate buffer solution at a relatively low overpotential of 520 mV vs. SHE. Sustained proton reduction catalysis occurs at glassy carbon electrode at -1.4 V vs. SHE for 2 h to give H-2 with TONs of 734 mol H-2 (mol catalyst)(-1) cm(-2) and 95% Faradaic yield. CVs, UV-Vis spectra, SEM, EDX and Tyndall analysis reveals that 1 has the desired stability and functions as a molecular electrocatalyst under the conditions. Due to the relatively low over potential and high stability, light-driven hydrogen production based on 1 were also carried out with a TONs of 6 mol H-2 (mol catalyst)(-1) in an aqueous solution. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：4202 / 4207

页数：6

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