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Influence of Transparent Electrodes on Image Sensor Performance

Published online by Cambridge University Press:  28 February 2011

K. Kempter ,
H. Wieczrek  and
M. Hoheisel
K. Kempter
Affiliation:
Siemens AG, Research Laboratories, D-8000 München 83, Fed. Rep. of Germany
H. Wieczrek
Affiliation:
Siemens AG, Research Laboratories, D-8000 München 83, Fed. Rep. of Germany
M. Hoheisel
Affiliation:
Siemens AG, Research Laboratories, D-8000 München 83, Fed. Rep. of Germany
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Abstract

The short response times required for image sensors demand blocking contacts at the sensor cell. It was found that the junctions between transparent electrodes (ITO or a thin palladium film) and the metallic back electrode with a-Si:H form blocking contacts yielding photocurrent decay times of the order of some microseconds. The two different time regimes observed for the decay are interpreted as being limited by the drift and the release of holes respectively.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 49: Symposium F – Materials Issues in Applications of Amorphous Silicon Technology , 1985 , 429
Copyright
Copyright © Materials Research Society 1985

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