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A Rational Self‐Sacrificing Template Route to β‐Bi 2 O 3 Nanotube Arrays
Author(s) -
Yang Baojun,
Mo Maosong,
Hu Hanmei,
Li Cun,
Yang Xiaogang,
Li Qiaowei,
Qian Yitai
Publication year - 2004
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.200300966
Subject(s) - bismuth , chemistry , high resolution transmission electron microscopy , photoluminescence , oxidizing agent , nanotube , nanotechnology , absorption spectroscopy , phase (matter) , absorption (acoustics) , metal , crystallography , chemical engineering , optoelectronics , optics , materials science , carbon nanotube , transmission electron microscopy , organic chemistry , physics , engineering
Arrayed β‐Bi 2 O 3 nanotubes (NTs) were synthesized for the first time through a rational “self‐sacrificing template” route, simply by oxidizing the precursor metallic bismuth NT arrays in air at 200−220 °C for 14−18 h. XRD, TEM, and HRTEM characterizations show that the prepared β‐Bi 2 O 3 samples are all phase pure and the β‐Bi 2 O 3 NTs have uniform diameters of approximately 3−6 nm and lengths up to several micrometers. The optical absorption and photoluminescence (PL) characteristics of the prepared samples were investigated. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)
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