Remote catalyzation for growth of boron nitride nanotubes by low pressure chemical vapor deposition

被引：21

作者：

Wang, Liangjie ^{[1
,2
]}

Li, Taotao ^{[2
]}

Ling, Lin ^{[2
]}

Luo, Jie ^{[1
,2
]}

Zhang, Kai ^{[2
]}

Xu, Yancui ^{[2
]}

Lu, Huifen ^{[2
]}

Yao, Yagang ^{[2
]}

机构：

[1] Shanghai Univ, Coll Sci, Dept Mat Sci & Engn, Shanghai 200444, Peoples R China

[2] Chinese Acad Sci, Univ Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Div Adv Nanomat,Key Lab Nanodevices & Applicat, Suzhou 215123, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2016年 / 652卷

基金：

中国国家自然科学基金;

关键词：

Boron nitride nanotubes; Low pressure chemical vapor deposition; Remote catalysts; High purity; ROPES; FUNCTIONALIZATION;

D O I：

10.1016/j.cplett.2016.03.055

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：

Direct deposition of high purity and quality boron nitride nanotubes (BNNTs) on Si substrate were obtained using low pressure chemical vapor deposition (LPCVD). We find Fe-Mg-O species may act as catalysts for growing BNNTs. This synthesis process conforms to vapor-liquid-solid (VLS) growth mechanism. As-grown BNNTs also show a large optical energy band gap of 6.12 eV, approaching to hexagonal phase BN single crystals. Meanwhile, as-grown BNNTs exhibit an intense UV-emission band located at 345 nm and a weak deep band at 237 nm. Their optoelectronic properties make them have promising for future nanoscale deep-UV light emitting devices. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：27 / 31

页数：5

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