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Title: Single CuTCNQ charge transfer complex nanowire as ultra high responsivity photo-detector
Authors: Basori, Rabaya
Das, K.
Kumar, Prashant
Narayan, K. S.
Raychaudhuri, A. K.
Keywords: Optics
Issue Date: 2014
Publisher: Optical Society American
Citation: Basori, R; Das, K; Kumar, P; Narayan, KS; Raychaudhuri, AK, Single CuTCNQ charge transfer complex nanowire as ultra high responsivity photo-detector. Optics Express 2014, 22 (5) 4944-4952,
Optics Express
Abstract: We report ultra large photo responsivity R (ratio of photo-generated current to absorbed power) in a single nanowire (NW) device made from a single strand of a nanowire (diameter similar to 30nm and length similar to 200nm) of an organomettalic semiconducting charge transfer complex material of CuTCNQ. The device shows responsivity of 8x10(4) A/Watt at 1 volt applied bias with an enhancement over the dark current exceeding 10(5) at zero bias. The observed photo current has a spectral dependence that strongly follows the main absorption peak (close to 405 nm) showing the primary role of absorbed photo-generated carriers. (C) 2014 Optical Society of America
Description: Restricted Access
ISSN: 1094-4087
Appears in Collections:Research Articles (Narayan K. S.)

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