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Monitoring the growth of microcrystalline silicon deposited by plasma-enhanced chemical vapor deposition using in-situ Raman spectroscopy

Published online by Cambridge University Press:  16 August 2011

S. Muthmann ,
F. Köhler ,
M. Hülsbeck ,
M. Meier ,
A. Mück ,
R. Schmitz ,
W. Appenzeller ,
R. Carius  and
A. Gordijn
S. Muthmann*
Affiliation:
IEK5-Photovoltaik, Forschungszentrum Jülich, D-52425 Jülich, Germany
F. Köhler
Affiliation:
IEK5-Photovoltaik, Forschungszentrum Jülich, D-52425 Jülich, Germany
M. Hülsbeck
Affiliation:
IEK5-Photovoltaik, Forschungszentrum Jülich, D-52425 Jülich, Germany
M. Meier
Affiliation:
IEK5-Photovoltaik, Forschungszentrum Jülich, D-52425 Jülich, Germany
A. Mück
Affiliation:
IEK5-Photovoltaik, Forschungszentrum Jülich, D-52425 Jülich, Germany
R. Schmitz
Affiliation:
IEK5-Photovoltaik, Forschungszentrum Jülich, D-52425 Jülich, Germany
W. Appenzeller
Affiliation:
IEK5-Photovoltaik, Forschungszentrum Jülich, D-52425 Jülich, Germany
R. Carius
Affiliation:
IEK5-Photovoltaik, Forschungszentrum Jülich, D-52425 Jülich, Germany
A. Gordijn
Affiliation:
IEK5-Photovoltaik, Forschungszentrum Jülich, D-52425 Jülich, Germany
*
*Email: s.muthmann@fz-juelich.de
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Abstract

A novel setup for Raman measurements under small angles of incidence during the parallel plate plasma enhanced chemical vapor deposition of μc-Si:H films is described. The possible influence of disturbances introduced by the setup on growing films is studied. The substrate heating by the probe beam is investigated and reduced as far as possible. It is shown that with optimized experimental parameters the influence of the in-situ measurements on a growing film can be neglected. With optimized settings, in-situ Raman measurements on the intrinsic layer of a microcrystalline silicon solar cell are carried out with a time resolution of about 40 s corresponding to 20 nm of deposited material during each measurement.

Keywords

microstructureplasma-enhanced CVD (PECVD) (deposition)Raman spectroscopy
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1321: Symposium A – Amorphous and Polycrystalline Thin-Film Silicon Science and Technology , 2011 , mrss11-1321-a02-03
Copyright
Copyright © Materials Research Society 2011

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References

REFERENCES

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