Nanocluster PtNiP supported on graphene as an efficient electrocatalyst for methanol oxidation reaction

被引：56

作者：

Yang, Long ^{[1
,2
]}

Li, Guoqiang ^{[2
]}

Ma, Rongpeng ^{[2
]}

Hou, Shuai ^{[2
]}

Chang, Jinfa ^{[2
]}

Ruan, Mingbo ^{[2
]}

Cai, Wenbin ^{[3
]}

Jin, Zhao ^{[2
]}

Xu, Weilin ^{[2
]}

Wang, Guiling ^{[1
]}

Ge, Junjie ^{[2
]}

Liu, Changpeng ^{[2
]}

Xing, Wei ^{[2
]}

机构：

[1] Harbin Engn Univ, Key Lab Superlight Mat & Surface Technol, Minist Educ, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China

[2] Chinese Acad Sci, State Key Lab Electroanalyt Chem, Lab Adv Power Sources, Changchun Inst Appl Chem, Changchun 130022, Peoples R China

[3] Fudan Univ, Shanghai Key Lab Mol Catalysis & Innovat Mat, Collaborat Innovat Ctr Chem Energy Mat, Dept Chem, Shanghai 200433, Peoples R China

来源：

NANO RESEARCH | 2021年 / 14卷 / 08期

基金：

中国国家自然科学基金;

关键词：

nanocluster PtNiP/P-graphene; uniformly disperse; phosphorus doping; methanol electrochemical oxidation; ONE-POT SYNTHESIS; DOPED GRAPHENE; HIGH-PERFORMANCE; NANOPARTICLES; ELECTROOXIDATION; SURFACE; CATALYST; DURABILITY; EVOLUTION; PLATINUM;

D O I：

10.1007/s12274-021-3300-8

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：

In this study, phosphorus doped graphene supported PtNiP nanocluster electrocatalyst (PtNiP/P-graphene) was successfully prepared via a simple hypophosphite-assisted co-reduction method. The improved anchoring force and increased anchoring sites of graphene support result from phosphorus doping as well as size-confined growth effect of NaH2PO2 leads to uniform dispersion of ultrafine PtNiP nanoclusters. Doped P also promotes the removal of CO-like intermediate by adjusting Pt electronic structure combining with alloyed Ni via electronic effects. As a result, the as-prepared PtNiP/P-graphene catalyst with more exposed active sites and optimized electronic structure of Pt alloy shows excellent electrocatalytic performances for methanol oxidation reaction (MOR) both in activity and durability in an acidic medium.

引用

页码：2853 / 2860

页数：8

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