Polymer assisted approach to two-dimensional (2D) nanosheets of B4C

被引：19

作者：

Nersisyan, Hayk H. ^{[1
,3
]}

Yoo, Bung Uk ^{[2
,3
]}

Joo, Sin Hyong ^{[1
]}

Lee, Tae Hyuk ^{[1
,3
]}

Lee, Kap-Ho ^{[1
]}

Lee, Jong-Hyeon ^{[1
,2
,3
]}

机构：

[1] Chungnam Natl Univ, Grad Sch, Dept Adv Mat Engn, Taejon 305764, South Korea

[2] Chungnam Natl Univ, Grad Sch Energy Sci & Technol, Taejon 305764, South Korea

[3] Chungnam Natl Univ, RASOM, Taejon 305764, South Korea

来源：

CHEMICAL ENGINEERING JOURNAL | 2015年 / 281卷

基金：

新加坡国家研究基金会;

关键词：

Boron carbide; Nanosheets; Combustion process; Magnesium; Raman spectroscopy; LOW-TEMPERATURE SYNTHESIS; BORON-CARBIDE; MECHANICAL-PROPERTIES; BORIC-ACID; POWDER; SHS; COMPOSITES; REDUCTION; CARBON;

D O I：

10.1016/j.cej.2015.06.100

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

High-quality two-dimensional (2D) nanosheets of B4C were synthesized using a facile combustion reaction with a reaction mixture comprising boron oxide (B2O3), magnesium (Mg), and polyvinylchloride (C2H3Cl)(n). The ability to tune the nanosheets of boron carbide was achieved by controlling the combustion temperature within a range of 1500-1700 degrees C and by using polyvinylchloride powder as the carbon source. FE-SEM and TEM images of the acid leached combustion products show sheet-like B4C particles with thicknesses of about 10-50 nm and edge lengths from 0.1 to several micrometers. The chemistry of the combustion process and the formation mechanism of B4C nanosheets are discussed based on the experimental findings. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：218 / 226

页数：9

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