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http://dx.doi.org/10.6111/JKCGCT.2013.23.2.108

Preparation of nanoparticles CuInSe2 absorber layer by a non-vacuum process of low cost cryogenic milling  

Kim, Ki-Hyun (School of Materials Science and Engineering, Dept. of Electronic Materials Science and Engineering, Kyungpook National University)
Park, Byung-Ok (School of Materials Science and Engineering, Dept. of Electronic Materials Science and Engineering, Kyungpook National University)
Abstract
Chalcopyrite material $CuInSe_2$ (CIS) is known to be a very prominent absorber layer for high efficiency thin film solar cells. Current interest in the photovoltaic industry is to identify and develop more suitable materials and processes for the fabrication of efficient and cost-effective solar cells. Various processes have been being tried for making a low cost CIS absorber layer, this study obtained the CIS nanoparticles using commercial powder of 6 mm pieces for low cost CIS absorber layer by high frequency ball milling and cryogenic milling. And the CIS absorber layer was prepared by paste coating using milled-CIS nanoparticles in glove box under inert atmosphere. The chalcopyrite $CuInSe_2$ thin films were successfully made after selenization at the substrate temperature of $550^{\circ}C$ in 30 min, CIS solar cell of Al/ZnO/CdS/CIS/Mo structure prepared under various deposition process such as evaporation, sputtering and chemical vapor deposition respectively. Finally, we achieved CIS nanoparticles solar cell of electric efficient 1.74 % of Voc 29 mV, Jsc 35 $mA/cm^2$ FF 17.2 %. The CIS nanoparticles-based absorber layers were characterized by using EDS, XRD and HRSEM.
Keywords
$CuInSe_2$; CIS Nanoparticles; CIS Absorber layer; Cryogenic milling; Non-vacuum process;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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