Effect of organic and inorganic passivation in quantum-dot-sensitized solar cells
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Other documents of the author: De La Fuente, M. S.; S. Sánchez, Rafael; González Pedro, Victoria; Boix, Pablo P; Mhaisalkar, S. G.; Rincón, Marina; Bisquert, Juan; Mora-Sero, Ivan
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Show full item recordcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/2507
comunitat-uji-handle3:10234/6973
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Title
Effect of organic and inorganic passivation in quantum-dot-sensitized solar cellsAuthor (s)
Date
2013Publisher
American Chemical SocietyISSN
1948-7185Bibliographic citation
DE LA FUENTE, Mauricio Solis, et al. Effect of organic and inorganic passivation in quantum-dot-sensitized solar cells. The Journal of Physical Chemistry Letters, 2013, 4.9: 1519-1525.Type
info:eu-repo/semantics/articlePublisher version
http://pubs.acs.org/doi/abs/10.1021/jz400626rVersion
info:eu-repo/semantics/acceptedVersionSubject
Abstract
The effect of semiconductor passivation on quantum-dot-sensitized solar cells (QDSCs) has been systematically characterized for CdS and CdS/ZnS. We have found that passivation strongly depends on the passivation agent, ... [+]
The effect of semiconductor passivation on quantum-dot-sensitized solar cells (QDSCs) has been systematically characterized for CdS and CdS/ZnS. We have found that passivation strongly depends on the passivation agent, obtaining an enhancement of the solar cell efficiency for compounds containing amine and thiol groups and, in contrast, a decrease in performance for passivating agents with acid groups. Passivation can induce a change in the position of TiO2 conduction band and also in the recombination rate and nature, reflected in a change in the β parameter. Especially interesting is the finding that β, and consequently the fill factor can be increased with the passivation treatment. Applying this strategy, record cells of 4.65% efficiency for PbS-based QDSCs have been produced. [-]
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The Journal of Physical Chemistry Letters (2013), vol. 4, no 9Rights
© 2013 American Chemical Society
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