Highly and quickly stabilized p-i-n/p-i-n-type protocrystalline silicon multilayer tandem solar cells

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We have developed p-i-n/p-i-n-type protocrystalline silicon (pc-Si:H) multilayer tandem solar cells. The purpose of this work is to make a thin film silicon solar cell with low degradation by combining the virtues of a pc-Si:H multilayer and tandem Structure. The usefulness of the pc-Si:H multilayer as a low degradation top and bottom cell was confirmed when we achieved a low degradation ratio of 10.0%. Notably, this tandem cell stabilized rapidly, within 1 h. Nanocrystalline silicon (nc-Si) grains embedded in a pc-Si:H multilayer were detected with the aid of a planer transmission electron microscope. The isolated nc-Si grains may suppress the photocreation of dangling bonds due to non-radiative recombination in an a-Si:H matrix. Because of these embedded nc-Si grains, the pc-Si:H multilayer has a fast and high light-induced metastability. (C) 2008 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2008-09
Language
English
Article Type
Article
Keywords

AMORPHOUS-SILICON; HYDROGEN DILUTION

Citation

SOLAR ENERGY MATERIALS AND SOLAR CELLS, v.92, pp.1067 - 1070

ISSN
0927-0248
DOI
10.1016/j.solmat.2008.03.010
URI
http://hdl.handle.net/10203/90127
Appears in Collection
EE-Journal Papers(저널논문)
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