Electron and hole mobility in solution-processed small molecule-fullerene blend: Dependence on the fullerene content
Aung Ko Ko Kyaw, Dong Hwan Wang, Hsin-Rong Tseng, Jie Zhang, Guillermo C. Bazan, and Alan J. Heeger
The authors present a study of electron and hole mobility in blends of the solution-processed small molecule (DTS(PTTh2)2):fullerene as a function of the fullerene content. The mobilities are measured using the Field–Effect Transistor device configuration with the blend as the material in the channel.
Spectral response tuning using an optical spacer in broad-band organic solar cells
Yuliang Zhang, Ajay K. Pandey, Chen Tao, Yuan Fang, Hui Jin, Paul L. Burn, and Paul Meredith
The effect of a zinc oxide optical spacer layer in broad-band polymer-fullerene solar cells is presented. The complimentary absorption in the donor and acceptor components allows photocurrent generation through photoinduced electron and hole-transfer mechanisms.
Localizing trapped charge carriers in NO2 sensors based on organic field-effect transistors
Anne-Marije Andringa, W. S. Christian Roelofs, Michael Sommer, Mukundan Thelakkat, Martijn Kemerink, and Dago M. de Leeuw
This work explores the properties (location) of trapped electrons in field-effect transistors, as alternative detectors of NO2 polutants. All three experiments using different organic semiconductors resulted to charges being trapped at the gate dielectric.
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