Title :
All-carbon photodetectors
Author :
Wang, F. ; Liu, Y.D. ; Wang, X.M. ; Flahaut, E. ; Li, Y. ; Wang, X.Z. ; Wang, X.R. ; Xu, Y.B. ; Shi, Y. ; Zhang, R.
Author_Institution :
Collaborative Innovation Center of Adv. Microstructures, Nanjing Univ., Nanjing, China
Abstract :
We demonstrate a graphene/nanotube hybrid phototransistor, in which photogating provided by the nanotube layer leads to a dramatically enhanced photoresponsivity (>100A/W) in the visible range, corresponding to ~104 enhancement with respect to a graphene-only device.
Keywords :
carbon nanotubes; graphene; nanophotonics; photodetectors; phototransistors; C-C; all-carbon photodetectors; graphene-nanotube hybrid phototransistor; nanotube layer; photogating; photoresponsivity; visible range; Carbon nanotubes; Graphene; Optical device fabrication; Photoconductivity; Phototransistors;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
