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High‐Entropy Mixtures of Pristine Fullerenes for Solution‐Processed Transistors and Solar Cells
Author(s) -
de Zerio Mendaza Amaia Diaz,
Melianas Armantas,
Rossbauer Stephan,
Bäcke Olof,
Nordstierna Lars,
Erhart Paul,
Olsson Eva,
Anthopoulos Thomas D.,
Inganäs Olle,
Müller Christian
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201503530
Subject(s) - fullerene , materials science , active layer , solubility , dissolution , transistor , organic solar cell , energy conversion efficiency , entropy (arrow of time) , chemical engineering , polymer , chemical physics , nanotechnology , optoelectronics , layer (electronics) , thermodynamics , chemistry , thin film transistor , organic chemistry , composite material , physics , quantum mechanics , voltage , engineering
The solubility of pristine fullerenes can be enhanced by mixing C 60 and C 70 due to the associated increase in configurational entropy. This “entropic dissolution” allows the preparation of field‐effect transistors with an electron mobility of 1 cm 2 V −1 s −1 and polymer solar cells with a highly reproducible power‐conversion efficiency of 6%, as well as a thermally stable active layer.