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Suppressing Co-Crystallization of Halogenated Non-Fullerene Acceptors for Thermally Stable Ternary Solar Cells
(Wiley, 2020-11)
While photovoltaic blends based on non-fullerene acceptors are touted for their thermal stability, this type of acceptor tends to crystallize, which can result in a gradual decrease in photovoltaic performance and affects ...
Reduction of the Lattice Thermal Conductivity of Polymer Semiconductors by Molecular Doping
(American Chemical Society, 2020-09-11)
Here we show that molecular doping of polymer thermoelectrics increases the electrical conductivity while reducing the thermal conductivity. A high-throughput methodology based on annealing and doping gradients within ...
Structure Dependent Photostability of ITIC and ITIC-4F
(Royal Society Of Chemistry, 2020-11-01)
Strong synthetic and engineering efforts have taken the efficiency of non-fullerene acceptor (NFA) based organic solar cells above 18% in a few years. Nonetheless, a deep understanding of the fundamental properties of this ...
Decoupled Ion Mobility in Nano-Confined Ionic Plastic Crystal
(Royal Society Of Chemistry, 2020-12-01)
Nanoconfined ions have dramatically different local environments compared to the bulk, which profoundly affects the ion solvation and transport properties taking place in the confined space. Herein, we investigate the ...
Microstructural control suppresses thermal activation of electron transport at room temperature in polymer transistors
(Nature Publishing Group, 2019-07-29)
Recent demonstrations of inverted thermal activation of charge mobility in polymer field-effect transistors have excited the interest in transport regimes not limited by thermal barriers. However, rationalization of the ...