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Group IV Nanocrystals for Silicon Photovoltaics

Published online by Cambridge University Press:  26 January 2011

X. Liu ,
S. Saini ,
M. Vanhoutte ,
J. Bakalis ,
W. Yau ,
A. Eshed ,
L.C. Kimerling ,
N. Pervez ,
I. Kymissis  and
C.W. Wong
X. Liu
Affiliation:
Dept. of Physics, CUNY-Graduate Center, New York, NY, United States Dept. of Physics, CUNY-Queens College, Flushing, NY, United States
S. Saini
Affiliation:
Dept. of Physics, CUNY-Graduate Center, New York, NY, United States Dept. of Physics, CUNY-Queens College, Flushing, NY, United States
M. Vanhoutte
Affiliation:
Dept. of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, United States
J. Bakalis
Affiliation:
Dept. of Physics, CUNY-Queens College, Flushing, NY, United States
W. Yau
Affiliation:
Dept. of Physics, CUNY-Queens College, Flushing, NY, United States
A. Eshed
Affiliation:
Dept. of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, United States
L.C. Kimerling
Affiliation:
Dept. of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, United States
N. Pervez
Affiliation:
Depts. of Electrical Engineering & Mechanical Engineering, Columbia University, New York, NY, United States
I. Kymissis
Affiliation:
Depts. of Electrical Engineering & Mechanical Engineering, Columbia University, New York, NY, United States
C.W. Wong
Affiliation:
Depts. of Electrical Engineering & Mechanical Engineering, Columbia University, New York, NY, United States
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Abstract

Silicon nanocrystals (nc-Si), have been shown to act as opto-electronic centers enabling light emission by carrier recombination, when precipitated in a silicon nitride (Si3N4) host. In this work, nc-Si and Germanium nanocrystals (nc-Ge) are studied in sputtered films of Si3N4 and SiGeN for application as tandem cell layers in a Si solar cell. The samples are annealed in a nitrogen gas and forming gas ambient, from 500 ºC to 900 ºC, to investigate the influence of temperature on photoluminescence and photoconductivity.

Keywords

photovoltaicphotoconductivitysputtering
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1305: Symposium AA – Nanomaterials Integration for Electronics, Energy and Sensing , 2011 , mrsf10-1305-aa17-27
Copyright
Copyright © Materials Research Society 2011

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References

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