%0 Journal Article %T Tunable graphene-silicon heterojunctions for ultrasensitive photodetection. %A An, Xiaohong %A Liu, Fangze %A Jung, Yung Joon %A Kar, Swastik %J Nano Letters %V 13 %N 3 %P 909-916 %@ 1530-6984 %D 2013-08-29 %~ DeepDyve