Growth of CuInSe2 and In2Se3/CuInSe2 Nano-Heterostructures through Solid State Reactions
作者： Cheng-Lun Hsin , Wei-Fan Lee , Chi-Te Huang , Chun-Wei Huang , Wen-Wei Wu
DOI: 10.1021/NL202463W
关键词: Analytical chemistry 、 X-ray photoelectron spectroscopy 、 Transmission electron microscopy 、 Photoluminescence 、 Energy-dispersive X-ray spectroscopy 、 Materials science 、 Heterojunction 、 Nano- 、 Atomic units 、 Copper indium gallium selenide solar cells
摘要: In2Se3 is an essential phase change material and CuInSe2 the fundamental basis of copper–indium–gallium–diselenide (CIGS) solar energy material. In this paper, we demonstrate feasibility to transform via solid state reaction. The nanobelts (NBs) were synthesized vapor–liquid–solid mechanism. chemical composition optical properties investigated by dispersive spectroscopy, X-ray photoelectron reflectance photoluminescence spectra. in situ observation reaction with Cu form NBs ultrahigh vacuum transmission electron microscopy, observed In2Se3/CuInSe2 transformation at atomic scale real time. progression layer interface provided pertinent information on kinetic nano-heterostructures also obtained present investigation. approach CIGS nanosolar ce...
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