Synthesis and Characterization of Sb2S3 Nanorods via Complex Decomposition Approach

Title
Synthesis and Characterization of Sb2S3 Nanorods via Complex Decomposition Approach
Author(s)
주상우Abdolali Alemi[Abdolali Alemi]Younes Hanifehpour[Younes Hanifehpour]
Keywords
THIN-FILMS; OPTICAL-PROPERTIES; GROWTH; CRYSTALS; BI2S3
Issue Date
201109
Publisher
HINDAWI PUBLISHING CORPORATION
Citation
JOURNAL OF NANOMATERIALS
Abstract
Based on the complex decomposition approach, a simple hydrothermal method has been developed for the synthesizing of Sb2S3 nanorods with high yield in 24 h at 150 degrees C. The powder X-ray diffraction pattern shows the Sb2S3 crystals belong to the orthorhombic phase with calculated lattice parameters a = 1.120 nm, b = 1.128 nm, and c = 0.383 nm. The quantification of energy dispersive X-ray spectrometric analysis peaks give an atomic ratio of 2 : 3 for Sb : S. TEM and SEM studies reveal that the appearance of the as-prepared Sb2S3 is rod-like which is composed of nanorods with the typical width of 30-160 nm and length of up to 6 mu m. High-resolution transmission electron microscopic (HRTEM) studies reveal that the Sb2S3 is oriented in the [10-1] growth direction. The band gap calculated from the absorption spectra is found to be 3.29 ev, indicating a considerable blue shift relative to the bulk. The formation mechanism of Sb2S3 nanostructures is proposed.
URI
http://hdl.handle.net/YU.REPOSITORY/24591http://dx.doi.org/10.1155/2011/414798
ISSN
1687-4110
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공과대학 > 기계공학부 > Articles
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