Postprint version. Published in Applied Physics Letters, Volume 62, Issue 6, February 8, 1993, pages 585-587.
NOTE: At the time of publication, the author David Braun was not yet affiliated with Cal Poly.
The definitive version is available at https://doi.org/10.1063/1.108863.
The characterization of rectifying heterojunctions (diodes) fabricated from a semiconducting polymer, a soluble derivative of poly(phenylene-vinylene), and buckminsterfullerene, C60, are reported. Rectification ratios in the current versus voltage characteristics exceed 104. When illuminated, the devices exhibit a large photoresponse as a result of photoinduced electron transfer across the heterojunction interface from the semiconducting polymer (donor) onto C60 (acceptor). The photodiode and photovoltaic responses are characterized. Photoinduced electron transfer across the donor-accepted rectifying heterojunction offers potential for photodetector and for solar cell applications.
Electrical and Computer Engineering
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