Abstract
Significant progress has been made in the area of p-type organic field effect transistors while progress in developing n-type materials and devices has been comparatively lacking, a limiting factor in the pursuit to develop complementary organic electronic circuits. Given the need for n-type organic semiconductors we have carried out studies using two different fullerene molecules, C60 and C70. Here, we report mobilities for C60 ranging from 0.02 cm2/Vs up to 0.65 cm2/Vs (depending on channel length), and mobilities from 0.003 cm2/Vs up to 0.066 cm2/Vs for C70. All devices were fabricated with organic films deposited under high vacuum but tested at ambient pressures under nitrogen.
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Haddock, J., Domercq, B. & Kippelen, B. Fullerene Based n-type Organic Thin-Film Transistors. MRS Online Proceedings Library 871, 311 (2005). https://doi.org/10.1557/PROC-871-I3.11
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DOI: https://doi.org/10.1557/PROC-871-I3.11