Growth and structural properties of pulsed laser-ablated CuInSe sub(2) nanoparticles by pulsed-laser ablation and selenization process

Nanoparticles of CuInSe sub(2) (CIS) were synthesized by pulsed laser ablation. The effect of the preparation conditions on the structural properties of the CIS nanoparticles was investigated. The CIS nanoparticles showed a more developed structural property after treatment in Se-evaporated atmosphe...

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Published inJournal of alloys and compounds Vol. 509; no. 31; pp. 8073 - 8076
Main Authors Jeong, A R, Jo, W, Ko, C, Han, M, Kang, S J, Kim, M, Park, D Y, Cheong, H, Yun, HJ
Format Journal Article
LanguageEnglish
Published 04.08.2011
Subjects
ABLATION
Alloys
CHALCOPYRITE
COPPER INDIUM SELENIDE
Diffraction patterns
INTERMETALLIC COMPOUNDS
Intermetallics
LASERS
Nanoparticles
PARTICLES
PHONONS
Raman scattering
SCATTERING
SPECTRA
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Summary:Nanoparticles of CuInSe sub(2) (CIS) were synthesized by pulsed laser ablation. The effect of the preparation conditions on the structural properties of the CIS nanoparticles was investigated. The CIS nanoparticles showed a more developed structural property after treatment in Se-evaporated atmosphere. By X-ray photoelectron spectroscopy, increase of Se amounts in the CIS nanoparticles was confirmed. Enhancement of phonon modes in the CIS nanoparticles was observed in Raman scattering spectroscopy while secondary phases like In sub(2)Se sub(3) or CuAu structure-related peak were identified in the spectra. High-resolution transmission electron microscopy indicated that the individual nanoparticles were embedded in matrix of some amorphous layers and diffraction patterns representing the chalcopyrite structure were also scrutinized.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:0925-8388
DOI:10.1016/j.jallcom.2011.05.035