TIPS-DBC small molecule O-FETs fabricated by evaporation and solution processing

Daniel Gruszecki; Birendra Singh; Mark Brown; David Lewis

doi:10.1088/0022-3727/45/4/045104

TIPS-DBC small molecule O-FETs fabricated by evaporation and solution processing

Daniel Gruszecki, Birendra Singh, Mark Brown, David Lewis

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The performance of organic field effect transistors using the small molecule, tri-isopropyl- silane-di-benzo chrysene (TIPS-DBC) is reported. The field effect mobility _FE is found to depend on the deposition conditions, which affect the morphology of the film. A mobility in the range of 1.5×10 ^-6 to 2.4×10 ^-4cm ²V ^-1s ^-1 is obtained from the evaporated films depending on the substrate treatment and deposition temperature, while films deposited by solution-processing techniques yield mobilities in the range of 0.7×10 ^-3 to 1.5×10 ^-3cm ²V ^-1s ^-1. The enhanced performance in polycrystalline solution-processed coatings and its relationship to crystallite size is an important parameter in the design of high-performance devices based on small molecules.

Original language	English
Article number	045104
Pages (from-to)	045104-1-045104-7
Number of pages	7
Journal	Journal of Physics D-Applied Physics
Volume	45
Issue number	4
DOIs	https://doi.org/10.1088/0022-3727/45/4/045104
Publication status	Published - 1 Feb 2012

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abstract = "The performance of organic field effect transistors using the small molecule, tri-isopropyl- silane-di-benzo chrysene (TIPS-DBC) is reported. The field effect mobility FE is found to depend on the deposition conditions, which affect the morphology of the film. A mobility in the range of 1.5×10 -6 to 2.4×10 -4cm 2V -1s -1 is obtained from the evaporated films depending on the substrate treatment and deposition temperature, while films deposited by solution-processing techniques yield mobilities in the range of 0.7×10 -3 to 1.5×10 -3cm 2V -1s -1. The enhanced performance in polycrystalline solution-processed coatings and its relationship to crystallite size is an important parameter in the design of high-performance devices based on small molecules.",

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AU - Lewis, David

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