Exploring 1T/2H MoS2 quantum dots modified 2D CoPx nanosheets for efficient electrocatalytic hydrogen evolution reaction

被引：1
作者：
Zhang, Tian [1 ,2 ]
Ren, Xiaohui [1 ,2 ]
Cao, Wenzhe [1 ,2 ]
Zou, Haoran [1 ,2 ]
Jiang, Xingxin [1 ,2 ]
Ma, Feng [3 ]
Chen, Rongsheng [3 ]
Qiao, Hui [4 ,5 ]
Zhang, Ye [6 ]
Liu, Huating [7 ]
Zhang, Hua [1 ,2 ]
Ni, Hongwei [1 ,2 ]
机构：
[1] Wuhan Univ Sci & Technol, State Key Lab Refractories & Met, Key Lab Ferrous Met & Resources Utilizat, Minist Educ, Wuhan 430081, Peoples R China
[2] Wuhan Univ Sci & Technol, Fac Mat, Hubei Prov Key Lab New Proc Ironmaking & Steel Mak, Wuhan 430081, Peoples R China
[3] Wuhan Univ Sci & Technol, Sch Chem Engn & Technol, Wuhan 430081, Hubei, Peoples R China
[4] Xiangtan Univ, Hunan Key Lab Micro Nano Energy Mat & Devices, Hunan 411105, Peoples R China
[5] Xiangtan Univ, Sch Phys & Optoelect, Hunan 411105, Peoples R China
[6] Univ South China, Sch Chem & Chem Engn, Lab Optoelect Technol Low Dimens Nanomat, Hengyang 421001, Peoples R China
[7] Wuhan Polytech Univ, Sch Elect & Elect Engn, Wuhan 430023, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2025年 / 679卷
基金：
中国国家自然科学基金;
关键词：
2D nanosheets; Molybdenum sulfide quantum dots; Cobalt phosphide; Hydrogen evolution reaction; METAL DICHALCOGENIDES; 1T-PHASE MOS2; TIO2; NANOPARTICLES; STRATEGIES; SUBSTRATE; ELECTRODE;
D O I：
10.1016/j.jcis.2024.10.150
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：
The exploration of multiphases and 0D/2D heterojunction in transition metal phosphides (TMPs) and transition metal sulfides (TMDs) is of major interest for hydrogen evolution reaction (HER). Herein, a novel combination route where 0D mixed-phased 1T/2H molybdenum sulfide quantum dots (MoS2 QDs) are uniformly anchored on the 2D CoPx nanosheets is developed. MoS2 QDs and CoPx were prepared via hydrothermal method and mixed with different ratios (Mo:Co ratios of 2:1, 1:1, and 1:2) and annealed under different temperatures to modulate their application in acidic HER processes. Specifically, 2Mo/1Co exhibited advanced performance for HER in 0.5 M H2SO4 solution and required 14 mV to deliver 10 mA cm(-2) and revealed a descended Tafel slope of 75.42 mV dec(-1) with 240 h stability except obvious deactivation. The successful design and construction of 0D/2D mixed-dimensional materials would broaden the application of MoS2 and CoPx for electrocatalytic hydrogen evolution.
引用
收藏
页码：569 / 577
页数：9
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