Journal
APPLIED PHYSICS LETTERS
Volume 93, Issue 22, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3043431
Keywords
organic compounds; photoconducting devices; photoconducting materials; photoconductivity; photodetectors; thin films
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Funding
- NSERC
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Bulk photoconductive gain greater than 16 is observed in pentacene thin films deposited onto coplanar interdigitated-electrode photodetector structures. The gain is highest at low light intensity but decreases at higher light intensity due to trap filling effects. The internal photogeneration quantum efficiency is found to be independent of wavelength below the absorption edge with the onset of photocurrent yield occurring at the absorption edge of the film.
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