Highly efficient visible-blind organic ultraviolet photodetectors

Hao Wu Lin*, Sung Yu Ku, Hai-Ching Su, Ching Wei Huang, Yu Ting Lin, Ken Tsung Wong, Chung Chih Wu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

136 Scopus citations

Abstract

UV-responsive organic materials were investigated for demonstration of highly efficient visible-blind organic UV photodetectors. Trialyamines and oxadiazole-containing oligoaryls were used as D-A couples in UV photodetectors. Thin films of these compounds and mixtures were prepared by vacuum deposition, and they exhibited a homogeneous appearance. The results show that the organic UV detectors have good efficiencies and visible blindness and yet cover the whole of UV-A range, making them attractive for high-efficiency yet low-cost UV-A detection.

Original languageEnglish
Pages (from-to)2489-2493
Number of pages5
JournalAdvanced Materials
Volume17
Issue number20
DOIs
StatePublished - 17 Oct 2005

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