期刊
JOURNAL OF SOLID STATE CHEMISTRY
卷 184, 期 11, 页码 3002-3007出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2011.09.017
关键词
Photocatalyst; Boron and nitrogen codoped TiO2; Nanorods; Photoelectrochemical property
资金
- National Natural Science Foundation of China [20873044]
- New Century Excellent Talents in University of China [NCET-08-0205]
Boron and nitrogen codoped TiO2 nanorods (BNTRs) were synthesized via two-step hydrothermal reactions using TiN as a starting material. The as-prepared samples were characterized by X-ray diffraction, field-emission scanning electron microscope (SEM), transmission electron microscopy and X-ray photoelectron spectroscopy techniques. The results showed that TiO2 nanorods with the diameter of approximately 50-100 nm and the length of several micrometers were doped by the interstitial N and B. The nanorods were firstly formed in the hydrothermal synthesis of nitrogen doped TiO2. The growing process of nanorods was observed by SEM and a most probable formation mechanism of the trititanate nanorods was proposed. The BNTRs showed a higher photocatalytic activity and a bigger photocurrent response than N-TiO2 nanorods under visible light irradiation. (C) 2011 Elsevier Inc. All rights reserved.
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