TITLE

Light-induced hysteresis characteristics of copper phthalocyanine organic thin-film transistors

AUTHOR(S)
Lijuan Zhen; Liwei Shang; Ming Liu; Deyu Tu; Zhuoyu Ji; Xinghua Liu; Ge Liu; Jiang Liu; Wang, Hong
PUB. DATE
November 2008
SOURCE
Applied Physics Letters;11/17/2008, Vol. 93 Issue 20, p203302
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Applying a bidirectional sweeping gate voltage, the white-light illuminated copper phthalocyanine thin-film transistors (CuPc-TFTs) show obvious hysteresis effect and the hysteresis window is 32 V. This effect is dominated by the additional carriers generated by photoirradiation. Although small hysteresis exists in CuPc-TFTs without illumination, light makes the hysteresis more obvious. Thus, CuPc-TFTs are promising to realize light detection and/or light memory in a single organic device for future low-cost, ultrahigh-density organic photoelectric integration.
ACCESSION #
35514132

 

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