Synthesis of vertically aligned boron nitride nanotubes with a template of single-walled carbon nanotubes

被引：17

作者：

Liu, Ming ^{[1
,2
]}

Wang, Shuhui ^{[1
]}

Zheng, Yongjia ^{[1
]}

Takeuchi, Miyuki ^{[3
]}

Inoue, Taiki ^{[1
,4
]}

Xiang, Rong ^{[1
,5
]}

Maruyama, Shigeo ^{[1
]}

机构：

[1] Univ Tokyo, Dept Mech Engn, Tokyo 1138656, Japan

[2] Osaka Univ, Inst Sci & Ind Res ISIR SANKEN, Osaka 5670047, Japan

[3] Univ Tokyo, Inst Engn Innovat, Tokyo 1138656, Japan

[4] Osaka Univ, Grad Sch Engn, Dept Appl Phys, Osaka 5650871, Japan

[5] Zhejiang Univ, Sch Mech Engn, State Key Lab Fluid Power & Mech Syst, Hangzhou 310027, Peoples R China

来源：

JOURNAL OF MATERIALS RESEARCH | 2022年 / 37卷 / 24期

关键词：

THERMAL-CONDUCTIVITY; GROWTH; ROPES; FILMS; SPECTROSCOPY; PRESSURE; ARRAYS;

D O I：

10.1557/s43578-022-00759-z

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Boron nitride nanotubes have been proposed of having great potential in various applications due to their outstanding properties such as high thermal conductivity and excellent chemical stability. Here, we present a template-assisted method of synthesizing vertically-aligned boron nitride nanotubes (VA-BNNTs) from vertically-aligned single-walled carbon nanotubes (VA-SWCNTs). This approach involves a chemical vapor deposition of boron nitride layers coating onto VA-SWCNTs first and subsequent removal of VA-SWCNTs by the oxidation in pure oxygen. The obtained VA-SWCNTs covered by BNNTs and VA-BNNTs arrays retain a highly ordered vertically aligned structure. The thermal stability of VA-SWCNTs was enhanced by coating with BNNTs.The structure and crystalline conditions were characterized by scanning electron microscope and transmission electron microscope.The chemical composition of samples was investigated by UV-Vis-NIR absorption spectroscopy and Raman spectroscopy. Boron nitride coating starts onto VA-SWCNTs from the top of the VA-SWCNTs array, which is confirmed by NanoSIMS characterization.

引用

页码：4428 / 4437

页数：10

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