Microwave Synthesis of Pt Clusters on Black TiO2 with Abundant Oxygen Vacancies for Efficient Acidic Electrocatalytic Hydrogen Evolution

被引：173

作者：

Wu, Zexing ^{[1
]}

Yang, Pengfei ^{[2
]}

Li, Qichang ^{[1
]}

Xiao, Weiping ^{[3
]}

Li, Zhenjiang ^{[5
]}

Xu, Guangrui ^{[5
]}

Liu, Fusheng ^{[2
]}

Jia, Baohua ^{[4
]}

Ma, Tianyi ^{[4
]}

Feng, Shouhua ^{[1
]}

Wang, Lei ^{[1
]}

机构：

[1] Qingdao Univ Sci & Technol, Key Lab Ecochem Engn, Minist Educ,Coll Chem & Mol Engn, Int Sci & Technol Cooperat Base Ecochem Engn & Gr, 53 Zhengzhou Rd, Qingdao 266042, Peoples R China

[2] Qingdao Univ Sci & Technol, Coll Chem Engn, Qingdao 266042, Peoples R China

[3] Nanjing Forestry Univ, Coll Sci, Nanjing 210037, Peoples R China

[4] RMIT Univ, Sch Sci, STEM Coll, Melbourne, Vic, Australia

[5] Qingdao Univ Sci & Technol, Key Lab Polymer Mat Adv Mfg Technol Shandong Prov, Coll Mat Sci & Engn, 53 Zhengzhou Rd, Qingdao 266042, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2023年 / 62卷 / 14期

基金：

中国国家自然科学基金;

关键词：

Black TiO2; Hydrogen Evolution Reaction; Oxygen Vacancies; Pt Sub-Nanocluster; WATER; NANOSTRUCTURES; FACILE; NANOPARTICLES; STABILITY; SUPPORTS; METALS; ARRAYS;

D O I：

10.1002/anie.202300406

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Oxygen vacancies-enriched black TiO2 is one promising support for enhancing hydrogen evolution reaction (HER). Herein, oxygen vacancies enriched black TiO2 supported sub-nanometer Pt clusters (Pt/TiO2-OV) with metal support interactions is designed through solvent-free microwave and following low-temperature electroless approach for the first time. High-temperature and strong reductants are not required and then can avoid the aggregation of decorated Pt species. Experimental and theoretical calculation verify that the created oxygen vacancies and Pt clusters exhibit synergistic effects for optimizing the reaction kinetics. Based on it, Pt/TiO2-OV presents remarkable electrocatalytic performance with 18 mV to achieve 10 mAcm(-2) coupled with small Tafel slope of 12 mVdec(-1). This work provides quick synthetic strategy for preparing black titanium dioxide based nanomaterials.

引用

页数：8

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