Use of a precursor solution to fill the gaps between indium tin oxide nanorods, for preparation of three-dimensional CuInGaS2 thin-film solar cells

Use of a precursor solution to fill the gaps between indium tin oxide nanorods, for preparation... We have fabricated a three-dimensional (3D) nanostructured indium tin oxide (ITO) film in which the spaces were filled by use of a Cu, In, and Ga precursor solution. This solution has potential for use in bulk heterojunction CuIn x Ga1−x S2 (CIGS) thin-film solar cells. ITO nanorod films ~700 nm thick on glass substrates were synthesized by radio-frequency magnetron sputtering deposition. To ensure complete filling of the gaps in ITO nanorod films, a polymeric binder-free precursor solution was used. In addition, a two-step heating process (oxidation and sulfurization) was used after coating of the precursor solution to make a CIGS absorber film with a minimum of carbon impurities. Superstrate-type solar cell devices with 3D nanostructured films (CIGS–ITO) had a photovoltaic efficiency of 1.11 % despite the absence of a buffer layer (e.g. CdS) between the CIGS and ITO. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Use of a precursor solution to fill the gaps between indium tin oxide nanorods, for preparation of three-dimensional CuInGaS2 thin-film solar cells

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Publisher
Springer Journals
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1454-z
Publisher site
See Article on Publisher Site

Abstract

We have fabricated a three-dimensional (3D) nanostructured indium tin oxide (ITO) film in which the spaces were filled by use of a Cu, In, and Ga precursor solution. This solution has potential for use in bulk heterojunction CuIn x Ga1−x S2 (CIGS) thin-film solar cells. ITO nanorod films ~700 nm thick on glass substrates were synthesized by radio-frequency magnetron sputtering deposition. To ensure complete filling of the gaps in ITO nanorod films, a polymeric binder-free precursor solution was used. In addition, a two-step heating process (oxidation and sulfurization) was used after coating of the precursor solution to make a CIGS absorber film with a minimum of carbon impurities. Superstrate-type solar cell devices with 3D nanostructured films (CIGS–ITO) had a photovoltaic efficiency of 1.11 % despite the absence of a buffer layer (e.g. CdS) between the CIGS and ITO.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Oct 29, 2013

References

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