Preparation of Single Phase CuInSe2 Nanocrystals (NCs) via Phase Transformation of Cu-In-Se Compounds Formed by a Low Temperature Wet Chemical Route

Title
Preparation of Single Phase CuInSe2 Nanocrystals (NCs) via Phase Transformation of Cu-In-Se Compounds Formed by a Low Temperature Wet Chemical Route
Author(s)
박진호김홍탁김찬[김찬]
Keywords
PHOTOLUMINESCENCE
Issue Date
201312
Publisher
TAYLOR & FRANCIS LTD
Citation
MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.585, no.1, pp.107 - 113
Abstract
Cu-In-Se compounds were synthesized by wet chemical route using CuCl, InCl3, and Se as precursors, and CuInSe2 (CIS) was acquired via annealing of Cu-In-Se compounds. As-synthesized compounds exhibited CuSe2-rich phases. The compounds synthesized below 95 degrees C transformed into CIS phase after the annealing above 450 degrees C, however the compounds synthesized above 100 degrees C exhibited different transitions from CuSe2 to Cu2Se. This could be explained by the excessive Se-loss in the surface of big rod. The size of the CIS was about 7.8nm and the elemental ratio of (Cu:In:Se) in the NCs was 1:0.7:2.
URI
http://hdl.handle.net/YU.REPOSITORY/28170http://dx.doi.org/10.1080/15421406.2013.850938
ISSN
1542-1406
Appears in Collections:
공과대학 > 화학공학부 > Articles
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