標題: Organic thin-film transistors with reduced photosensitivity
作者: Chuang, Chiao-Shun
Chen, Fang-Chung
Shieh, Han-Ping D.
光電工程學系
Department of Photonics
關鍵字: organic;photosensitivity;nanoparticle;dielectrics;thin-film transistors
公開日期: 1-Dec-2007
摘要: Organic thin-film transistors with a minimal threshold voltage shift and a more stable photocurrent under illuminated conditions can be made by embedding titanium dioxide (TiO2) nanoparticles into a polymer dielectric layer. While the studies of pentacene morphology using atomic force microscopy and X-ray diffraction have shown similar results before and after embedding the TiO2 into the dielectric layer, it has been found that the presence of TiO2 nanoparticles is essential. The reduced photosensitivity can be attributed to the recombination centers induced by the TiO2 nanopartilces and this can enhance substantially the recombination process of the electrons trapped in the channel. (c) 2007 Elsevier B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/j.orgel.2007.06.012
http://hdl.handle.net/11536/10021
ISSN: 1566-1199
DOI: 10.1016/j.orgel.2007.06.012
期刊: ORGANIC ELECTRONICS
Volume: 8
Issue: 6
起始頁: 767
結束頁: 772
Appears in Collections:Articles


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