Phthalocyanine derivatives for solution-processed organic thin-film transistors

Yanhou Geng; Shaoqiang Dong; Hongkun Tian; Donghang Yan; Fosong Wang

doi:10.1117/12.894692

19 September 2011 Phthalocyanine derivatives for solution-processed organic thin-film transistors

Yanhou Geng, Shaoqiang Dong, Hongkun Tian, Donghang Yan, Fosong Wang

Proceedings Volume 8117, Organic Field-Effect Transistors X; 81170A (2011) https://doi.org/10.1117/12.894692
Event: SPIE Photonic Devices + Applications, 2011, San Diego, California, United States

Abstract

Three types of alkyl-substituted vanadyl phthalocyanines (OVPcs) were synthesized and their organic thin film transistors (OTFTs) were prepared by solution casting with a bottom gate and top contact device geometry. A peripheral octaoctyl-substituted OVPc (OVPc-op-C8) showed the mobility in the order of 10^-5 cm²/V•s. Both peripheral and nonperipheral tetraalkyl-substituted OVPcs are a mixture of four isomers, and exhibited the mobility of 10^-4-10^-2 cm²/V•s, depending on the length of the alkyl chains. Four isomers of non-peripheral tetraalkyl-substituted OVPcs can be separated by common lab column chromatography. A mobility of 0.13 cm²/V•s has been demonstrated with a pure isomer.

Citation Download Citation

Yanhou Geng, Shaoqiang Dong, Hongkun Tian, Donghang Yan, and Fosong Wang "Phthalocyanine derivatives for solution-processed organic thin-film transistors", Proc. SPIE 8117, Organic Field-Effect Transistors X, 81170A (19 September 2011); https://doi.org/10.1117/12.894692

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