Journal
NANOTECHNOLOGY
Volume 20, Issue 9, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/0957-4484/20/9/095202
Keywords
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Funding
- Air Force Office of Scientific Research [FA95500610398]
- National Science Foundation [DMR0702372]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0702372] Funding Source: National Science Foundation
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A methodology for achieving versatile and facile ligand exchange by post-fabrication chemical treatment in PbS nanocrystal:poly(3-hexylthiophene) (P3HT) hybrid composite photovoltaic devices is demonstrated. We report a considerable improvement of the photovoltaic performance after post-fabrication chemical treatment using acetic acid to produce PbS nanocrystals surrounded by short-length ligands. Annealing induced morphological and photovoltaic performance changes in the resulting composite devices were investigated as a function of the annealing time.
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