Low-Temperature Behaviour of Charge Transfer Excitons in Narrow-Bandgap Polymer-Based Bulk Heterojunctions

Nanomorphology and Charge Generation in

Nanomorphology and Charge Generation in Bulk Heterojunctions Based on Low-Bandgap Dithiophene Polymers with Different Bridging Atoms

✍ Mauro Morana; Hamed Azimi; Gilles Dennler; Hans-Joachim Egelhaaf; Markus Scharbe 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 612 KB

## Abstract Carbon bridged (C‐PCPDTBT) and silicon‐bridged (Si‐PCPDTBT) dithiophene donor–acceptor copolymers belong to a promising class of low bandgap materials. Their higher field‐effect mobility, as high as 10^−2^ cm^2^ V^−1^ s^−1^ in pristine films, and their more balanced charge transport in