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Long-Term Stability of Microcrystalline Silicon P-I-N Solar Cells Exposed to Sun Light

Published online by Cambridge University Press:  15 February 2011

P. Sanguino ,
S. Koynov ,
R. Schwarzl ,
M. Fernandes ,
M. Vieira ,
R. Manso ,
A. Joyce  and
M. Collares-Pereira
P. Sanguino
Affiliation:
Instituto Superior Técnico IST, Physics Department, P-1096 Lisbon, Portugal
S. Koynov
Affiliation:
Instituto Superior Técnico IST, Physics Department, P-1096 Lisbon, Portugal
R. Schwarzl
Affiliation:
Instituto Superior Técnico IST, Physics Department, P-1096 Lisbon, Portugal
M. Fernandes
Affiliation:
Instituto Superior de Engenharia de Lisboa ISEL, Electronics Dept., P-1900 Lisbon, Portugal
M. Vieira
Affiliation:
Instituto Superior de Engenharia de Lisboa ISEL, Electronics Dept., P-1900 Lisbon, Portugal
R. Manso
Affiliation:
Instituto National de Energia e Tecnologia Industrial INETI, Renewable Energy Dept., P-1200 Lisbon, Portugal
A. Joyce
Affiliation:
Instituto National de Energia e Tecnologia Industrial INETI, Renewable Energy Dept., P-1200 Lisbon, Portugal
M. Collares-Pereira
Affiliation:
Instituto National de Energia e Tecnologia Industrial INETI, Renewable Energy Dept., P-1200 Lisbon, Portugal
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Abstract

The performance of an entirely microcrystalline p-i-n solar cell was monitored during a long-term outdoor test in Lisbon starting in September 1998. A small decrease of the short circuit current was observed after 5 months of operation. The open-circuit voltage remained stable around 400 mV. From the analysis of the I-V characteristic in dark and under illumination we could identify the weak points of the test structure, like large series resistance, high recombination rate, and intensity-dependent collection efficiency.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 557: Symposium A – Amorphous and Heterogeneous Silicon Thin Films—Fundamentals to Devices—1999 , 1999 , 597
Copyright
Copyright © Materials Research Society 1999

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