Semiconducting polymer-buckminsterfullerene heterojunctions: Diodes, photodiodes, and photovoltaic cells
Niyazi Serdar SariçiftçiInstitute for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, California 93106-5090David BraunInstitute for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, California 93106-5090C. ZhangInstitute for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, California 93106-5090V. I. SrdanovCenter for Quantized Electronic Structures, University of California at Santa Barbara, Santa Barbara, California 93106-5090Alan J. HeegerInstitute for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, California 93106-5090Galen D. StuckyInstitute for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, California 93106-5090Fred WudlInstitute for Polymers and Organic Solids, University of California at Santa Barbara, Santa Barbara, California 93106-5090
1993en
ABI
Аннотация
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.
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