Nitrogen-doped carbon nanocones encapsulating with nickel-cobalt mixed phosphides for enhanced hydrogen evolution reaction

被引：92

作者：

Han, Lei ^{[1
]}

Yu, Tongwen ^{[1
]}

Lei, Wen ^{[1
]}

Liu, Wenwen ^{[1
]}

Feng, Kun ^{[1
]}

Ding, Yuanli ^{[1
]}

Jiang, Gaopeng ^{[1
]}

Xu, Pan ^{[1
]}

Chen, Zhongwei ^{[1
]}

机构：

[1] Univ Waterloo, Dept Chem Engn, 200 Univ Ave West, Waterloo, ON N2L 3G1, Canada

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2017年 / 5卷 / 32期

基金：

加拿大自然科学与工程研究理事会;

关键词：

METAL-ORGANIC FRAMEWORKS; ELECTROCATALYTIC PROPERTIES; EFFICIENT ELECTROCATALYST; ALKALINE-SOLUTION; OXYGEN EVOLUTION; NANOPARTICLES; NANOCRYSTALS; PERFORMANCE; ELECTROOXIDATION; NANOSTRUCTURES;

D O I：

10.1039/c7ta05146h

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 work, nickel-cobaltmixed metal phosphides encapsulated into nitrogen-doped carbon nanocones (Ni2P/NiCoP@NCCs) have been prepared through a facile ammonia-etching of nickel-cobalt Prussian blue analogs (Ni-Co PBAs) followed by a subsequent phosphidation treatment. During the in situ and confined phosphidation process, very small nickel-cobalt mixed metal phosphide nanocrystallites are uniformly incorporated into the simultaneously produced nitrogen-doped carbon matrix. Due to the unique structure and composition, the resultant Ni2P/NiCoP@NCCs possess high electrocatalytic activity and excellent durability for the HER in both acidic and alkaline solutions.

引用

页码：16568 / 16572

页数：5

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