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Proceedings Paper

Organic-inorganic broadband photodetector
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Paper Abstract

The capability to detect optical signals over a broad wavelength band is highly important for practical device applications. However, high speed responsive across entire wavelength band within a single photodetector remains challenge. Here we demonstrated a broadband photodetector using a single quantum-dot-doped polyaniline nanowire with a broadband responsive at 350-700 nm (see schematic). The high responsivity is attributed to the high density of trapping states at the enormous interfaces formed in polyaniline and quantum dots. The interface trapping can effectively reduce the recombination rate, promote the separation of photogenerated carriers, and then enhance the efficiency for optical detection.

Paper Details

Date Published: 12 January 2018
PDF: 10 pages
Proc. SPIE 10622, 2017 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices, 106220B (12 January 2018); doi: 10.1117/12.2288873
Show Author Affiliations
Xianguang Yang, Jinan Univ. (China)
Baojun Li, Jinan Univ. (China)


Published in SPIE Proceedings Vol. 10622:
2017 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices
Baojun Li; Xingjun Wang; Ya Sha Yi; Liquan Dong, Editor(s)

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