四川轻化工大学学报（自然科学版）2025，Vol.38Issue(2)：26-36,11.DOI:10.11863/j.suse.2025.02.04
含N2S2型配体的镍配合物的电催化制氢性能研究
Electrocatalytic Hydrogen Evolution Performance of Nickel Complex with N2S2-type Ligand
摘要
Abstract
The nickel complex[{edt(CH2Py')2}Ni(NCS)2]with a new N2S2-type ligand 1,2-bis(3,4-dimethoxypyridyl-2-methylthio)ethane(edt(CH2Py')2)has been synthesized,which is characterized by elemental analysis,Fourier-transform infrared spectroscopy,UV-vis absorption spectroscopy and single-crystal X-ray diffraction.Moreover,the electrochemical properties and electrocatalytic hydrogen evolution of the complex are also investigated by cyclic voltammetry(CV)and controlled potential electrolysis(CPE).Crystal structure analysis shows that the complex is a six-coordinated distorted octahedral configuration.In the presence of trifluoroacetic acid(TFA)or acetic acid(AcOH),the alectrochemical studies show that the complexes are electrocatalytically active for hydrogen production and the electrocatalysis is a homogeneous catalytic process with high stability.In the presence of 53.8 mmol∙L-1 TFA or 53.8 mmol∙L-1 AcOH,the turnover frequency(TOF)and the overpotential(η)of 0.25 mmol∙L-1 complex for electrocatalytic hydrogen evolution is 19 166 s-1/1680 s-1 and 0.53 V/0.22 V,respectively.Besides,the solution containing 0.25 mmol·L-1 of the complex and 53.8 mmol·L-1 TFA is subjected to a constant potential of-1.51 V for 4 hours,which yields 0.11 mmol of hydrogen.The turnover number(TON)for hydrogen production is calculated to be 11.99.The Faradaic efficiency reaches 75.5%.关键词
N2S2 型配体/镍配合物/晶体结构/电化学/电催化制氢Key words
N2S2-type ligand/nickel complex/crystal structure/electrochemical property/electrocatalytic hydrogen evolution分类
化学化工引用本文复制引用
姚博馨,郑郅曦,魏燕,张秀兰,黄雨风,谢斌..含N2S2型配体的镍配合物的电催化制氢性能研究[J].四川轻化工大学学报（自然科学版）,2025,38(2):26-36,11.基金项目
四川省自然科学基金项目(2023NSFSC0087) （2023NSFSC0087）
达州市科技计划项目(22DWHZ0009) （22DWHZ0009）
化学合成与污染控制四川省重点实验室项目(CSPC202201) （CSPC202201）
玄武岩纤维及复合材料四川省重点实验室项目(SZXX202001 （）
XXKFJJ202306) （）
