Thin Film Silicon Solar Cells

R&D Services

Our R&D services comprise:

Deposition of „device quality“ amorphous and microcrystalline films

Passivation of surfaces using amorphous layers

Silicon stack cells

Evaluation of TCO(Transparent Conductive Oxide)-films

New doping sources

High frequency depositions

Development of measurement setups

Thin-film solar cells made from amorphous (a-Si:H) and microcrystalline (µc-Si:H) silicon are a cost-effective alternative to conventional solar cells or modules. Silicon-based amorphous single, tandem and triple junction cells, as well as a-Si:H/µc-Si:H stacked cells, are commercially available. There is, however, still a considerable need for further research into each cell type, especially with regard to increasing efficiency and reducing manufacturing costs.

Our goal is to develop cell structures with initial efficiencies higher than 16 % and a light induced degradation below 10 %.

Selected Research Projects







Unlimited, Resource-saving Solar Cells Based on Metallurgical-grade Silicon



Current publications - Thin Film Silicon Solar Cells

YearTitle/AuthorDocument Type
2017Photoelectrochromic devices based on sputtered WO3 and TiO2 films
Bogati, S.; Georg, A.; Graf, W.
Journal Article
2016Photovoltaics in the German Power System. Past, Now and in the Future
Philipps, S.P.
2015Luminescent polymeric film containing an Eu(III) complex acting as UV protector and down-converter for Si-based solar cells and modules
González-Pérez, S.; Sanchiz, J.; Gonzalez-Diaz, B.; Holinski, S.; Borchert, D.; Hernandez-Rodriguez, C.; Guerrero-Lemus, R.
Journal Article
2015Sputter damage to amorphous silicon layers for heterojunction solar cells
Meiners, B.-M.; Holinski, S.; Schäfer, P.; Hohage, S.; Borchert, D.
Conference Paper
2014A-SIO:H thin films with increased light induced degradation stability for thin film silicon solar cells
Holinski, S.; Borchert, D.; Hohage, S.; Meiners, B.-M.; Schäfer, P.; Westrich, T.
Conference Paper
2014Investigation of anti-reflection-coating stacks for silicon heterojunction solar cells
Meiners, B.-M.; Holinski, S.; Schäfer, P.; Hohage, S.; Borchert, D.
Conference Paper
2014Solarzellen mit Rückspiegel
Thaidigsmann, B.,
Journal Article
2013Co-diffused back-contact back-junction silicon solar cells
Keding, R.; Stüwe, D.; Kamp, M.; Reichel, C.; Wolf, A.; Woehl, R.; Borchert, D.; Reinecke, H.; Biro, D.
Conference Paper
2013In-line deposition of silicon-based films by hot-wire chemical vapor deposition
Schäfer, L.; Harig, T.; Höfer, M.; Laukart, A.; Borchert, D.; Keipert-Colberg, S.; Trube, J.
Journal Article
This publication list has been generated from the publication database Fraunhofer-Publica.