Blue electroluminescence of ZnSe thin film in an organic-inorganic heterostructures device

Wenge Yu*, Zheng Xu, Feng Teng, Shengyi Yang, Yanbing Hou, Lei Qian, Chong Qu, Sanyu Quan, Xurong Xu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Blue light emission of ZnSe thin film from the ZnSe/poly-(N-vinyl- carbazole) (PVK) heterostructures was obtained. The threshold voltage is about 10 V and the brightness of 12 cd/m2 was obtained at 17 V. From the electroluminescence (EL), the photoluminescence (PL), the transient electroluminescence and the dependence of EL intensity on the applied voltage and current, we attribute the EL of ZnSe to carrier injection and recombination. This new phenomenon not only opens a new mechanism of II-IV compounds in low voltage injection EL but also provides a new way of obtaining blue emission.

Original languageEnglish
Pages (from-to)402-406
Number of pages5
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume338
Issue number3-5
DOIs
Publication statusPublished - 2 May 2005
Externally publishedYes

Keywords

  • Blue emission
  • Injection EL
  • Organic-inorganic heterostructures
  • ZnSe

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