Eun-Kyoung Jeon, Cheol-Soo Yang, Yanfei Shen, Takashi Nakanishi, Dae-sung Jeong, Ju-Jin Kim, Ki-suk Ahn, Ki-jeong Kong and Jeong-O Lee
We describe the observation of photoconductivity and enhanced memory effects in graphene devices functionalized with clusters of alkylated C 60 molecules. The alkylated C 60 clusters were adsorbed on chemical vapor deposition-grown graphene devices from an aprotic medium. The resulting alkylated C 60 –graphene hybrid devices showed reproducible photoconductive behavior originating from the electron-accepting nature of the C 60 molecules. Significantly enhanced gate hysteresis was observed upon illumination with visible light, thereby enabling the use of C 60 –graphene hybrid devices in three-terminal photo-memory applications.
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We describe the observation of photoconductivity and enhanced memory effects in graphene devices functionalized with clusters of alkylated C 60 molecules. The alkylated C 60 clusters were adsorbed on chemical vapor deposition-grown graphene devices from an aprotic medium. The resulting alkylated C 60 –graphene hybrid devices showed reproducible photoconductive behavior originating from the electron-accepting nature of the C 60 molecules. Significantly enhanced gate hysteresis was observed upon illumination with visible light, thereby enabling the use of C 60 –graphene hybrid devices in three-terminal photo-memory applications.
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