Architecting boron nanostructure on the diamond particle surface

被引：11
作者：
Bai, H. [1 ]
Dai, D. [1 ]
Yu, J. H. [1 ]
Nishimura, K. [1 ,2 ]
Sasaoka, S. [2 ]
Jiang, N. [1 ]
机构：
[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Key Lab Marine New Mat & Applicat Technol, Ningbo 315201, Zhejiang, Peoples R China
[2] Kochi FEL Co Ltd, Kochi 7800805, Japan
来源：
APPLIED SURFACE SCIENCE | 2014年 / 292卷
关键词：
Diamond powders; Surface functionalization; Boron nanostructure; Thermal conductivity; NANOWIRE ARRAYS; LASER-ABLATION; GROWTH;
D O I：
10.1016/j.apsusc.2013.12.052
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：
The present study provides an efficient approach for nano-functionalization of diamond powders. Boron nanostructure can be grown on diamond particle entire surface by a simple heat-treatment process. After treatment, various boron nanoforms were grown on the diamond particle surface at different processing temperature. High-density boron nanowires (BNVVs) grow on the diamond particle entire surface at 1333 K, while nanopillars cover diamond powders when the heat treatment process is performed at 1393 K. The influence of the pretreatment temperature on the microstructure and thermal conductivity of Cu/diamond composites were investigated. Cu/diamond composites with high thermal conductivity of 670W (mK)(-1) was obtained, which was achieved by the formation of large number of nanowires and nanopillars on the diamond particle surface. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：790 / 794
页数：5
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