15th Iranian Inorganic Chemistry Conference , 2013-09-03

Title : ( Hydrothermal synthesis of Bi2(Te1-x ,Sex)3 , (x=0.1,0.3,0.5) nano-structure )

Authors: Elahe Sajadi Rad , Mahmood Rezaee Roknabadi , Mohammad Behdani , Masoud Mirzaei Shahrabi , Mojtaba Mohammadi ,

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Abstract

In this work, Bi2Te2.7Se0.3, Bi2Te2.1Se0.9 and Bi2Te1.5Se1.5 powders were synthesized by a hydrothermal method, by using BiCl3,Te, and Se powders as starting materials together with NaBH4, NaOH and EDTA as the reductant, PH-value controller and additive, respectively. Then 100 nm thin films of powders fabricated by physical vapor deposition(PVD) . Morphology of the prepared samples were investigated by X-Ray Diffraction (XRD) and Scanning Electron Microscopy (SEM) . Samples were characterized with FTIR spectroscopy. The hexagonal structure was observed for all of powders and thin films from the XRD results. The crystallite size of 8 to 20 nm were obtained using Scherrer equation . The thermoelectric measurement was carried out on the thin film samples .

Keywords

, Hydrothermal, PVD, Thermoelectric properties, Seebeck cofficient
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@inproceedings{paperid:1039725,
author = {Sajadi Rad, Elahe and Rezaee Roknabadi, Mahmood and Behdani, Mohammad and Mirzaei Shahrabi, Masoud and Mohammadi, Mojtaba},
title = {Hydrothermal synthesis of Bi2(Te1-x ,Sex)3 , (x=0.1,0.3,0.5) nano-structure},
booktitle = {15th Iranian Inorganic Chemistry Conference},
year = {2013},
location = {IRAN},
keywords = {Hydrothermal; PVD; Thermoelectric properties; Seebeck cofficient},
}

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%0 Conference Proceedings
%T Hydrothermal synthesis of Bi2(Te1-x ,Sex)3 , (x=0.1,0.3,0.5) nano-structure
%A Sajadi Rad, Elahe
%A Rezaee Roknabadi, Mahmood
%A Behdani, Mohammad
%A Mirzaei Shahrabi, Masoud
%A Mohammadi, Mojtaba
%J 15th Iranian Inorganic Chemistry Conference
%D 2013

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