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Title: Synthesis of CdIn<inf>2</inf>Se<inf>4</inf>compound used as thermoelectric materials via the solution method
Authors: Kanyaporn Adpakpang
Thapanee Sarakonsri
Seiji Isoda
Yasuhiro Shinoda
Chanchana Thanachayanont
Keywords: Engineering
Materials Science
Issue Date: 25-Jun-2010
Abstract: CdIn2Se4semiconductor is known as a high performance electrical material. In this study, CdIn2Se4powder was synthesized via an aqueous chemical reduction, or a solution method, at low temperature, using Se metal, InCl3, and CdCl2·2. 5H2Oas precursors,NaBH4 as a reducing agent, and water as a solvent. Preparative parameters have been considered; reaction temperature at 100 and 130 °C, reaction time at 30 min and 6 h. Finally, product powders were characterized by X-ray diffraction, scanning electron microscopy and transmission electron microscopy techniques. The CdIn2Se4phase was observed to occur in some preparative conditions with In(OH)3 contaminating phase. However, In(OH)3impurity has disappeared when the reaction temperature was 130 °C with a reaction time of 30 min, confirmed by XRD patterns. Particle size of product powders was measured from TEM micrographs to be 9.17±0.94 nm. © 2009 Elsevier B.V.
ISSN: 09258388
Appears in Collections:CMUL: Journal Articles

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