Variations in Semiconducting Polymer Microstructure and Hole Mobility with Spin-Coating Speed
Chemistry of Materials2005Vol. 17(23), pp. 5610–5612
Citations Over TimeTop 10% of 2005 papers
Dean M. DeLongchamp, Brandon M. Vogel, Youngsuk Jung, Marc C. Gurau, Curt A. Richter, Oleg A. Kirillov, Jan Obrzut, Daniel A. Fischer, Sharadha Sambasivan, Lee J. Richter, Eric K. Lin
Abstract
The molecular orientation of regioregular poly(3-hexylthiophene) varies from edge-on to plane-on depending on the film drying rate controlled by spin-coating speed. The field effect hole mobility varies accordingly. Orientation was determined with near-edge X-ray fine structure spectroscopy of the π* resonance, which is orthogonal to the conjugated plane.
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