Effective Photoresponse in C<sub>60</sub>-Doped Conducting Polymer due to Forbidden Transition in C<sub>60</sub>
Shigenori MoritaDepartment of Electronic Engineering, Faculty of Engineering, Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565Shinji KiyomatsuDepartment of Electronic Engineering, Faculty of Engineering, Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565Masahiko FukudaDepartment of Electronic Engineering, Faculty of Engineering, Osaka University, 2-1 Yamada-Oka, Suita, Osaka 565Anvar ZakhidovDepartment of Thermophysics, Uzbek Academy of Science, Katartal 28 Chilanzar, C. Tashkent, 700135, UzbekistanKatsumi YoshinoOsaka UniversityKôichi KikuchiDepartment of Chemistry, Tokyo Metropolitan University, Hachiohji, Tokyo 192-03Yohji AchibaDepartment of Chemistry, Tokyo Metropolitan University, Hachiohji, Tokyo 192-03
ABI
Abstract
The enhancement of photoconductivity in conducting polymers upon C 60 doping has been observed at the photon energies corresponding to photo-excitation in both conducting polymer and C 60 . In particular, the marked enhancement at 1.8 eV is attributed to the h u -t 1u forbidden transition in C 60 . This anomalous effect is interpreted by taking the electronic energy states of both conducting polymers and C 60 into consideration.
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