Printable carbon-free CIGS thin films for solar cell applications

Title
Printable carbon-free CIGS thin films for solar cell applications
Authors
박세진이은주오민규민병권
Keywords
CIGS; printable
Issue Date
2011-06
Publisher
2011 한국광과학회
Abstract
CuInxGa1-x(SeyS1-y)2 (CIGS) has been considered to one of the most promising materials for solar cell applications due to its high absorption coefficient, appropriate band-gap, and long-term stability. The obstacles of the current CIGS thin film solar cells for commercial applications may be relatively difficult fabrication procedure and high processing costs related with vacuum based techniques. Herein, we suggest a simpler and lower cost synthetic method of CIGS thin film by applying a paste coating methode. In this method the paste containing Cu, In, Ga precursor mixtures was firstly prepared followed by being printed on conducting glass substrates and then annealing in H2S/N2 and/or Se vapor environment. With this method we applied CIGS thin films to substrate type solar cell architectures using Mo coated soda-lime glasses. A solar cell device with this film showed current-voltage characteristics of Jsc = 21.0 mA/cm2, Voc = 451 mV, FF = 0.473, and η= 4.48% at standard conditions.
URI
http://pubs.kist.re.kr/handle/201004/39877
Appears in Collections:
KIST Publication > Conference Paper
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