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Optics Letters

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  • Vol. 36, Iss. 10 — May. 15, 2011
  • pp: 1821–1823

High response organic deep ultraviolet photodetector with PEDOT:PSS anode

Lu Zhu, Qian Dai, Zuo-Fu Hu, Xi-Qing Zhang, and Yong-Sheng Wang  »View Author Affiliations


Optics Letters, Vol. 36, Issue 10, pp. 1821-1823 (2011)
http://dx.doi.org/10.1364/OL.36.001821


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Abstract

We have fabricated an organic deep ultraviolet photodetector (PD) using PEDOT:PSS (PH 1000) as a transparent anode. NPB and PBD were employed as electron donor and acceptor, respectively. The PD exhibits a dark current of 0.0829 μA / cm 2 and a photocurrent of 85.3 μA / cm 2 at 12 V under 280 nm light illumination with an intensity of 0.488 mW / cm 2 . A high response at 248 370 nm with its peak of 0.18 A / W at 280 nm and a detectivity of 1.1 × 10 12 cm Hz 1 / 2 W 1 were achieved. The more detailed mechanism of harvesting high performance and the dependence of photocurrent density on illumination intensity are also discussed.

© 2011 Optical Society of America

OCIS Codes
(040.5160) Detectors : Photodetectors
(040.7190) Detectors : Ultraviolet
(160.4890) Materials : Organic materials
(230.0040) Optical devices : Detectors
(230.0250) Optical devices : Optoelectronics

ToC Category:
Detectors

History
Original Manuscript: March 15, 2011
Revised Manuscript: April 10, 2011
Manuscript Accepted: April 12, 2011
Published: May 9, 2011

Citation
Lu Zhu, Qian Dai, Zuo-Fu Hu, Xi-Qing Zhang, and Yong-Sheng Wang, "High response organic deep ultraviolet photodetector with PEDOT:PSS anode," Opt. Lett. 36, 1821-1823 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-10-1821


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