Nitrogen-doped truncated carbon nanotubes inserted into nitrogen-doped graphene nanosheets with a sandwich structure: a highly efficient metal-free catalyst for the HER

被引：48

作者：

Li, Shuwen ^{[1
]}

Yu, Zhounan ^{[1
]}

Yang, Yuanyuan ^{[1
]}

Liu, Yang ^{[1
]}

Zou, Hai ^{[1
]}

Yang, Honglei ^{[1
]}

Jin, Jun ^{[1
]}

Ma, Jiantai ^{[1
]}

机构：

[1] Lanzhou Univ, Coll Chem & Chem Engn, Gansu Prov Engn Lab Chem Catalysis, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2017年 / 5卷 / 14期

基金：

中国国家自然科学基金;

关键词：

HYDROGEN EVOLUTION REACTION; OXYGEN REDUCTION REACTION; ELECTROCATALYSTS; WATER; OXIDATION; UREA;

D O I：

10.1039/c7ta00961e

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：

A new promising metal-free catalyst (N-TCNT@NGS), with a sandwich structure of 1-dimensional nitrogen-doped truncated carbon nanotubes inserted between 2-dimensional nitrogen-doped graphene nanosheets, was synthesized by a facile and green hydrothermal method. Due to the unique structure, multipath charge and mass transport, N-TCNT@NGS exhibits incredible electrocatalytic ability and robust durability for the hydrogen evolution reaction (HER) (Tafel slope: 50 mV dec (1), onset overpotential: -16 mV, operating overpotential at 10 mA cm(-2): -62 mV).

引用

页码：6405 / 6410

页数：6

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