Hydrothermal synthesis of CuInSe2 nanoparticles in acetic acid

The CuInSe2 nanoparticles for thin-film solar cells were successfully synthesized using a simple hydrothermal method with acetic acid as a mineralizer. The CuInSe2 nanoparticles with high purity were formed with acetic acid concentration of 5M, reaction temperature of 200°C, and reaction time of 12h...

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Bibliographic Details
Published in:The Journal of physics and chemistry of solids 2013-06, Vol.74 (6), p.867-871
Main Authors: Shim, Jang Bo, Kim, Chang Gyoun, Jeon, Dong Ju, Chung, Taek-Mo, An, Ki-Seok, Lee, Sun Suk, Lim, Jong Sun, Jeong, Seok Jong, Park, Bo Keun, Lee, Young Kuk
Format: Article
Language:English
Subjects:
A. Nanostructures
ACETIC ACID
B. Chemical synthesis
B. Crystal growth
COPPER INDIUM SELENIDE
Crystallinity
D. Phase transitions
Diffraction
FABRICATION
Nanoparticles
PARTICLE SIZE AND SHAPE
PARTICLES
Reaction time
SOLAR CELLS
Synthesis
THIN FILMS
X RAYS
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Summary:The CuInSe2 nanoparticles for thin-film solar cells were successfully synthesized using a simple hydrothermal method with acetic acid as a mineralizer. The CuInSe2 nanoparticles with high purity were formed with acetic acid concentration of 5M, reaction temperature of 200°C, and reaction time of 12h. The concentrations of acetic acid significantly affected the phase, morphology, and size of the prepared particles. The crystallinity and the particle size also increased as a function of the reaction temperature and the reaction time. Room-temperature Raman spectra shows that the single-phased of CuInSe2 nanoparticles were obtained via the hydrothermal synthesis with acetic acid. We proposed the one-step reaction mechanism for the CuInSe2 nanoparticles based on the X-ray diffraction and the scanning electron microscopy data. ► CuInSe2 nanoparticles synthesis using the hydrothermal method with acetic acid. ► Acetic acid could prevent the synthesis of In(OH)3 phase. ► One-step reaction mechanism for the CuInSe2 nanoparticles. ► Pure CuInSe2 nanoparticles for thin-film solar cells.
ISSN:0022-3697
1879-2553
DOI:10.1016/j.jpcs.2013.02.002