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Title: One-dimensional single-crystalline bismuth oxide micro/nanoribbons : morphology-controlled synthesis and luminescent properties
Authors: Sun, L. D.
Ling, Bo
Sun, Xiaowei
Zhao, Jun Liang
Shen, Yiqiang
Dong, Zhili
Zhang, Sam
Keywords: DRNTU::Engineering::Materials
Issue Date: 2010
Source: Ling, B., Sun, X., Zhao, J. L., Shen, Y., Dong, Z. L., Sun, L. D., and Zhang, S. (2010). One-dimensional single-crystalline bismuth oxide micro/nanoribbons : morphology-controlled synthesis and luminescent properties. Journal of nanoscience and nanotechnology, 10, 8322-8327.
Series/Report no.: Journal of nanoscience and nanotechnology
Abstract: Based on a facile vapor-phase transport method without any catalyst and template, one-dimensional single-crystalline bismuth oxide (Bi2O3) micro/nanoribbons were fabricated on silicon substrates in large quantities and morphology-controlled fabrication of Bi2O3 was achieved from a single precursor. The widths of Bi2O3 ribbons varied from 0.2 to 20 μm depending on the deposition temperatures. The thickness was in the range of 0.1-2 μm and the length reached several hundred micrometers and even millimeter range. The detailed composition and structural analysis confirmed the single-crystalline nature of α-Bi2O3 micro/nanoribbons with monoclinic structure. The photoluminescence spectrum of a single Bi2O3 ribbon showed a broadband emission from 450 to 750 nm in the visible region, consisting two peaks located at 589 and 697 nm which were primarily originated from the impurity ions and crystal defects. A self-catalyzed vapor-solid model was proposed to account for the growth mechanism of Bi2O3 ribbons with different morphologies.
DOI: 10.1166/jnn.2010.3051
Rights: © 2010 American Scientific Publishers
Fulltext Permission: none
Fulltext Availability: No Fulltext
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