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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 7, Iss. 5 — May. 1, 2009
  • pp: 413–415

Near-infrared electroluminescent diodes based on copper hexadecafluorophthalocyanine CuPcF16

Zhaoqi Fan, Chuanhui Cheng, Shukun Yu, Kaiqi Ye, Daocheng Xia, Qinglong Bai, Hesong Guan, and Guotong Du  »View Author Affiliations


Chinese Optics Letters, Vol. 7, Issue 5, pp. 413-415 (2009)


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Abstract

We demonstrate the near-infrared (NIR) organic light-emitting devices (OLEDs) based on copper hexadecafluorophthalocyanine (CuPcF16 doped into 2,2,2"-(1,3,5-benzenetriyl)tris-[1-phenyl-1H-benzimidazole] (TPBI). The device structure is ITO/ NPB/ TPBI:CuPcF16/BCP/Alq3/Al. Room-temperature electroluminescence is observed at about 1106 nm due to transitions from the first excited triplet state to the ground state (T1-S0) of CuPcF16. The result indicates that Forster and Dexter energy transfers play a minor role in these devices, while the direct charge trapping is the dominant mechanism. The absorption spectra of CuPcF16 solution in pyridine and vacuum sublimed films on quartz have also been investigated.

© 2009 Chinese Optics Letters

OCIS Codes
(160.4760) Materials : Optical properties
(230.3670) Optical devices : Light-emitting diodes

Citation
Zhaoqi Fan, Chuanhui Cheng, Shukun Yu, Kaiqi Ye, Daocheng Xia, Qinglong Bai, Hesong Guan, and Guotong Du, "Near-infrared electroluminescent diodes based on copper hexadecafluorophthalocyanine CuPcF16," Chin. Opt. Lett. 7, 413-415 (2009)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-7-5-413


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