Preparation and characterization of BN nanotubes with controllable sizes by templateaided synthesis

Yuting Wang, Shiro Shmada, Hajime Kiyono, Yasunori Yamamoto

研究成果: Conference contribution

1 引用 (Scopus)

抜粋

In this study, an efficient approach to prepare high quality BN nanotubes (BNNTs) was developed. BNNTs with specific sizes were prepared by sublimation of ammonia borane complex (BH3NH3) using two kinds of porous alumina anodic membrane template in two independently temperature controlled furnaces in a glovebox filled with N2. The BNNTs with template were nitrided at different temperatures 1300-1700 °C in NH3. The BNNTs of 200-300 nm wide×60 μm long, and 70-80 nm wide×40 μm long were finally collected after removal of the template by etching of with 40 wt% NaOH solution. The fourier transform infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS) results confirmed the formation of BN from BH3NH3. Ordered arrays of BNNTs were observed by scanning electron microscopy (SEM), and the microstructure of these BNNTs was investigated by transmission electron microscopy (TEM). It was found that the diameters of the BNNTs can be easily controlled by using templates with different pore sizes. The wall thickness of the nanotubes was increased by increasing the sublimation time or the amount of the starting BH 3NH3. The crystallinity of BNNTs was improved at higher temperatures (1700 °C) in NH3.

元の言語English
ホスト出版物のタイトルCarbon Nanotubes and Related Low-Dimensional Materials
ページ132-137
ページ数6
出版物ステータスPublished - 2008 12 1
イベント2008 MRS Spring Meeting - San Francisco, CA, United States
継続期間: 2008 3 242008 3 28

出版物シリーズ

名前Materials Research Society Symposium Proceedings
1081
ISSN(印刷物)0272-9172

Conference

Conference2008 MRS Spring Meeting
United States
San Francisco, CA
期間08/3/2408/3/28

    フィンガープリント

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

これを引用

Wang, Y., Shmada, S., Kiyono, H., & Yamamoto, Y. (2008). Preparation and characterization of BN nanotubes with controllable sizes by templateaided synthesis. : Carbon Nanotubes and Related Low-Dimensional Materials (pp. 132-137). (Materials Research Society Symposium Proceedings; 巻数 1081).