SiO2–TiO2 scattering layers prepared by sol–gel processing for light management in thin film solar cells

Thin films containing SiO 2 nanoparticles and a TiO 2 binder were prepared by sol–gel processing; their transparency and haze were characterized. By applying additional SiO 2 films the surface of these scattering layers was smoothened. This procedure improved the microstructure of aluminum-doped zin...

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Bibliographic Details
Published in:Journal of sol-gel science and technology 2015-06, Vol.74 (3), p.585-593
Main Authors: Hegmann, Jan, Jahn, Rainer, Schönau, Steffi, Sommer, Nicolas, Löbmann, Peer
Format: Article
Language:English
Subjects:
Aluminum
Ceramics
Chemistry and Materials Science
Composites
Electrical properties
Glass
Haze
Inorganic Chemistry
Materials Science
Nanoparticles
Nanotechnology
Natural Materials
Optical and Electronic Materials
Original Paper
Photovoltaic cells
Scattering
Silicon dioxide
Sol-gel processes
Solar cells
Thin films
Titanium dioxide
Vapor phases
Zinc oxide
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Description
Summary:Thin films containing SiO 2 nanoparticles and a TiO 2 binder were prepared by sol–gel processing; their transparency and haze were characterized. By applying additional SiO 2 films the surface of these scattering layers was smoothened. This procedure improved the microstructure of aluminum-doped zinc oxide and a-Si:H/µc-Si:H subsequently deposited by vapor phase deposition. The electrical properties and performance of the resulting thin film solar cells were characterized. Based on these results the proof of concept is provided for the application of sol–gel derived scattering layers in thin film photovoltaics.
ISSN:0928-0707
1573-4846
DOI:10.1007/s10971-015-3637-0