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  • High-Gain Phototransistors ...
    Zhang, Wenjing; Huang, Jing-Kai; Chen, Chang-Hsiao; Chang, Yung-Huang; Cheng, Yuh-Jen; Li, Lain-Jong

    Advanced materials (Weinheim), July 5, 2013, Letnik: 25, Številka: 25
    Journal Article

    A phototransistor based on a chemical vapor deposited (CVD) MoS2 monolayer exhibits a high photoresponsivity (2200 A W−1) and an excellent photogain (5000). The presence of shallow traps contributes to the persistent photoconductivity. Ambient adsorbates act as p‐dopants to MoS2, decreasing the carrier mobility, photoresponsivity, and photogain.