Broadband Black‐Phosphorus Photodetectors with High Responsivity,Advanced Materials

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Broadband Black‐Phosphorus Photodetectors with High Responsivity
Advanced Materials ( IF 27.4 ) Pub Date : 2016-03-10 , DOI: 10.1002/adma.201506352
Mingqiang Huang ₁ , Mingliang Wang _{1,

2} , Cheng Chen ₁ , Zongwei Ma ₁ , Xuefei Li _{1,

2} , Junbo Han ₁ , Yanqing Wu _{1,

2}

Affiliation

An array of black‐phosphorus photodetectors with channel lengths down to 100 nm is fabricated, and temperature‐dependent photodetection measurements from 300 K down to 20 K are carried out. The devices show high photoresponse in a broadband spectral range with a record‐high photoresponsivity of 4.3 × 10⁶ A W⁻¹ at 300 K for the 100 nm device.