標題: Controlling vertical alignment of phthalocyanine nanofibers on transparent graphene-coated ITO electrodes for organic field emitters
作者: Huang, Kuo-Jung
Hsiao, Yu-Sheng
Huang, Jen-Hsien
Chu, Chih-Wei
Chen, Peilin
Whang, Wha-Tzong
材料科學與工程學系
Department of Materials Science and Engineering
公開日期: 2012
摘要: In this study, we developed a simple and efficient approach-using graphene coatings on ITO as transparent electrodes-for inducing the growth of 29H,31H-phthalocyanine (H2Pc) nanofiber arrays through a thermal evaporation process, with potential use in organic field emitters (FEs). By controlling the surface energy and temperature of the electrodes during evaporation, H2Pc molecules readily self-assemble, forming an out-of-plane morphology on reduced graphene oxide surfaces (rGO; surface energy: ca. 50 mJ m(-2)). The devices fabricated on rGO/indium tin oxide (FE-rGO) exhibited not only excellent FE performance but also outstanding anti-degradation capability during stability tests. This facile approach toward rGO coatings opens a new avenue for the transformation of small organic molecule films into vertically standing nanostructures on transparent electrodes, with various organic electronics applications.
URI: http://hdl.handle.net/11536/15859
http://dx.doi.org/10.1039/c2jm30383c
ISSN: 0959-9428
DOI: 10.1039/c2jm30383c
期刊: JOURNAL OF MATERIALS CHEMISTRY
Volume: 22
Issue: 16
起始頁: 7837
結束頁: 7844
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