Titanium Nitride-Supported Platinum with Metal-Support Interaction for Boosting Photocatalytic H2 Evolution of Indium Sulfide

被引：49

作者：

Liu, Siqi ^{[1
,2
]}

Qi, Weiliang ^{[1
,2
]}

Adimi, Samira ^{[1
,2
]}

Guo, Haichuan ^{[1
,2
]}

Weng, Bo ^{[3
]}

Attfield, John Paul ^{[4
,5
]}

Yang, Minghui ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China

[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China

[3] Katholieke Univ Leuven, cMACS, Dept Microbial & Mol Syst, B-3001 Leuven, Belgium

[4] Univ Edinburgh, Ctr Sci Extreme Condit, Edinburgh EH9 3JJ, Midlothian, Scotland

[5] Univ Edinburgh, Sch Chem, Edinburgh EH9 3JJ, Midlothian, Scotland

来源：

ACS APPLIED MATERIALS & INTERFACES | 2021年 / 13卷 / 06期

基金：

英国工程与自然科学研究理事会;

关键词：

metal-support interaction; transition metal nitride; platinum; photocatalytic H-2 evolution; core-shell nanostructure; ELECTRONIC-STRUCTURE; HYDROGEN-PRODUCTION; ELECTROCATALYST; EFFICIENT; REDUCTION; SYSTEMS; TIN; NANOPARTICLES; TEMPERATURE; COCATALYST;

D O I：

10.1021/acsami.0c20919

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Metal-support interaction strongly influences the catalytic properties of metal-based catalysts. Here, titanium nitride (TiN) nanospheres are shown to be an outstanding support, for tuning the electronic property of platinum (Pt) nanoparticles and adjusting the morphology of indium sulfide (In2S3) active components, forming flower-like core-shell nanostructures (TiN-Pt@In2S3). The strong metal-support interaction between Pt and TiN through the formation of Pt-Ti bonds favors the migration of charge carriers and leads to the easy reducibility of TiN-Pt, thus improving the photocatalytic atom efficiency of Pt. The TiN-Pt@In2S3 composite shows reduction of Pt loading by 70% compared to the optimal Pt-based system. In addition, the optimal TiN-Pt@In2S3 composite exhibits a H-2 evolution rate 4 times that of a Pt reference. This increase outperforms all other supports reported thus far.

引用

页码：7238 / 7247

页数：10

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