Ultrasensitive solution processed polymer photodetectors

Xiong Gong; Minghong Tong; Ji Sun Moon; Alan J. Heeger

doi:10.1117/12.824386

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28 August 2009 Ultrasensitive solution processed polymer photodetectors

Xiong Gong, Minghong Tong, Ji Sun Moon, Alan J. Heeger

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Proceedings Volume 7418, Organic Semiconductors in Sensors and Bioelectronics II; 74180I (2009) https://doi.org/10.1117/12.824386
Event: SPIE Photonic Devices + Applications, 2009, San Diego, California, United States

Abstract

We demonstrate a polymer photodetector with spectral response from 300nm to 1450nm by using a narrow-band-gap semiconducting polymer blended with a fullerene derivative. Operating in room temperature, the polymer photodetectors exhibit detectivity greater than 10¹³Jones (1Jones =1cm Hz^1/2/W) from the UV well into the near-infrared out to 1150nm and greater than 10¹²Jones from 1150nm to 1450nm. The linear dynamic range is over 100dB. To our knowledge, there is no inorganic material system (not even Si-Ge alloys) capable of such high performance photodetectivty over such a wide spectral range.

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Xiong Gong, Minghong Tong, Ji Sun Moon, and Alan J. Heeger "Ultrasensitive solution processed polymer photodetectors", Proc. SPIE 7418, Organic Semiconductors in Sensors and Bioelectronics II, 74180I (28 August 2009); https://doi.org/10.1117/12.824386

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