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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 19 — Oct. 1, 2013
  • pp: 3823–3826

Organic ultraviolet photodetector based on phosphorescent material

Lingliang Li, Fujun Zhang, Qiaoshi An, Zixuan Wang, Jian Wang, Aiwei Tang, Hongshang Peng, Zheng Xu, and Yongsheng Wang  »View Author Affiliations


Optics Letters, Vol. 38, Issue 19, pp. 3823-3826 (2013)
http://dx.doi.org/10.1364/OL.38.003823


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Abstract

A new type of organic visible-blind UV-PDs is demonstrated by utilizing phosphorescent material Ir(III)bis[(4,6-difluorophenyl)-pyridinato-N, C2] picolinate (FIrpic) as the electron donor and [6,6]-phenyl-C-61-butyricacidmethylester (PCBM) as the electron accepter, respectively. The peak responsivity of the organic UV-PDs is as high as 140mA/W, corresponding to an external quantum efficiency of about 48%, under 365 nm UV light with an intensity of 0.018mW/cm2. The distinct photoluminescence quenching of FIrpic is obtained by doping PCBM. The organic UV-PDs provide visible-blind performance with the strong photocurrent response in the UV-A region, the rise and fall times of less than one second, and linear response within the incident light-intensity range from 0.018 to 20mW/cm2.

© 2013 Optical Society of America

OCIS Codes
(040.5160) Detectors : Photodetectors
(040.7190) Detectors : Ultraviolet
(160.4890) Materials : Organic materials
(160.6000) Materials : Semiconductor materials
(250.0250) Optoelectronics : Optoelectronics

ToC Category:
Optoelectronics

History
Original Manuscript: July 24, 2013
Revised Manuscript: August 26, 2013
Manuscript Accepted: August 26, 2013
Published: September 23, 2013

Citation
Lingliang Li, Fujun Zhang, Qiaoshi An, Zixuan Wang, Jian Wang, Aiwei Tang, Hongshang Peng, Zheng Xu, and Yongsheng Wang, "Organic ultraviolet photodetector based on phosphorescent material," Opt. Lett. 38, 3823-3826 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-19-3823

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