Thermal stabilisation of polymer-fullerene bulk heterojunction morphology for efficient photovoltaic solar cells.

Derue, Lionel; Dautel, Olivier; Tournebize, Aurélien; Drees, Martin; Pan, Hualong; Berthumeyrie, Sébastien; Pavageau, Bertrand; Cloutet, Eric et al. · Adv Mater · 2014

basic_science · Level V

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Abstract

A novel stable bisazide molecule that can freeze the bulk heterojunction morphology at its optimized layout by specifically bonding to fullerenes is reported. The concept is demonstrated with various polymers: fullerene derivatives systems enable highly thermally stable polymer solar cells.