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Photon degradation effects in terrestrial solar cells

Author
Broder, J. D.
Published
JAN 1, 1978.
Physical Description
1 electronic document
Additional Creators
Brandhorst, H. W., Jr., Hart, R. E., Lamneck, S. H., and Weizer, V. G.
Online Version

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Summary
Reduction in cell output was observed in N(+)/P cells upon exposure to illumination or upon the application of a sufficiently high forward bias. Conversely, an enhancement in output was observed when P(+)/N cells were illuminated. Investigations performed on N(+)/P cells indicated that a recombination center located at E sub c - 0.37 eV in the forbidden band was responsible for the loss in output. The center was electrically inactive in its ground state but was activated either by raising the minority carrier quasi-Fermi level sufficiently close to the latent center energy level in the band gap, or by direct excitation of electrons from the valence band to the latent center level. The center was identified as a complex of a lattice defect and a silver atom or cluster of atoms.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19780017608.
Accession ID: 78N25551.
DOE/NASA/1022-78/35.
NASA-TM-78924.
E-9664.
Photovoltaic Specialists Conf.; 5-8 Jun. 1978; Washington, DC; United States.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15728645