Abstract

In article number 1703293, Tie Lin, Weida Hu, Jianlu Wang, and co-workers present a high performance photovoltaic photodetector based on MoTe2/MoS2 Van der Waals heterojunction. The light-induced charge transport under different biases is discussed. As self-powered photodetectors, the vertical 2D p-n junctions achieve a sensitive response and broad detection wavelength range. These properties indicate that 2D van der Waals junctions are promising for application in photo-sensing, on-chip logic circuits and so on.

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