Modulation of Interchain Packing Orientation by Varying a Branch Point of Alkyl Substituent: Molecular Dynamics Simulation and Electrical Properties
Jae Hoon Son,
Chang Woo Koh,
Nahyun Jeong
et al.
Abstract:Designing organic semiconductor thin films with controlled molecular orientation is crucial for enhancing device performance. In this study, we tackle this challenge by analyzing the mechanism underlying molecular orientation from a molecular design perspective. We synthesize two types of p-type semicrystalline polymers, PPDT2FBT-2C and PPDT2FBT-5C, which differ in their side-chain branch points. PPDT2FBT-5C, with increased distance between the main chain and the branching point, promotes strong preaggregation… Show more
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