Gate-dependent photoconductivity of single layer graphene grafted with metalloporphyrin molecules

Choi, M. S.; Lee, D. J.; Lee, S. J.; Hwang, D. H.; Lee, J. H.; Aoki, N.; Ochiai, Y.; Kim, H. -J.; Whang, D.; Kim, S.; Hwang, S. W.

doi:10.1063/1.4704921

상세 보기

Gate-dependent photoconductivity of single layer graphene grafted with metalloporphyrin molecules

Choi, M. S.;
Lee, D. J.;
Lee, S. J.;
Hwang, D. H.;
Lee, J. H.;
... Kim, S.;
외 5명

Citations

WEB OF SCIENCE

5

Citations

SCOPUS

5

초록

We present the gate-dependent photoconductivity measurements of single layer graphene ribbons grafted with zinc porphyrin molecules Zn(OEP). The Zn(OEP)-graphene showed a maximum 610% increase in its photo-sensitivity compared to the bare graphene samples. Furthermore, the measured photocurrent exhibited strong dependence on the gate bias, light power, and light wavelength. These dependences showed clear evidence of the excitation of the carriers in Zn(OEP) and their energy transfer to graphene. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4704921]

키워드

graphene; organic compounds; photoconductivity; zinc compounds

제목: Gate-dependent photoconductivity of single layer graphene grafted with metalloporphyrin molecules

저자: Choi, M. S.; Lee, D. J.; Lee, S. J.; Hwang, D. H.; Lee, J. H.; Aoki, N.; Ochiai, Y.; Kim, H. -J.; Whang, D.; Kim, S.; Hwang, S. W.

DOI: 10.1063/1.4704921

발행일: 2012-04-16

유형: Article

저널명: Applied Physics Letters

권: 100

호: 16