Versatile NiO/mesoporous carbon nanodisks: controlled synthesis from hexagon shaped heterobimetallic metal-organic frameworks

被引：16

作者：

Zeng, Dehong ^{[1
]}

Yang, Ying ^{[1
]}

Yang, Feng ^{[1
]}

Guo, Fangmin ^{[2
]}

Yang, Senjie ^{[1
]}

Liu, Baijun ^{[1
]}

Hao, Shijie ^{[1
]}

Ren, Yang ^{[2
]}

机构：

[1] China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China

[2] Argonne Natl Lab, Xray Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA

来源：

NANOSCALE | 2017年 / 9卷 / 33期

基金：

中国国家自然科学基金; 北京市自然科学基金;

关键词：

HIGH-PERFORMANCE SUPERCAPACITOR; LITHIUM-ION BATTERIES; ASYMMETRIC SUPERCAPACITORS; CATALYTIC APPLICATIONS; HIGH-CAPACITANCE; BUILDING-BLOCKS; REDUCTION; 4-NITROPHENOL; NANOTUBES; NANOSTRUCTURES;

D O I：

10.1039/c7nr03251j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Hexagonal NiO/mesoporous carbon nanodisks (NiO/MCN) are facilely and controllably synthesized via constructing nickel-zinc trimesic acid heterobimetallic metal-organic framework ( HMOF) disks before pyrolysis at 910 degrees C. Tailoring the Ni/(Zn + Ni) feed ratio and the reaction time during the HMOF synthesis creates a well-defined hexagonal carbon nanodisk with properly populated NiO nanocrystals while maintaining high porosity and conductivity. Such an elaborately fabricated NiO/MCN is highly stable, and exhibits the largest specific capacitance of 261 F g(-1) and the highest specific activity factor of 1.93 s(-1) g(-1) of any composite nanodisk during the capacitive test and 4-nitrophenol reduction, respectively.

引用

页码：11851 / 11857

页数：7

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