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Universal selection rule for surfactants used in miniemulsion processes for eco-friendly and high performance polymer semiconductors

Title
Universal selection rule for surfactants used in miniemulsion processes for eco-friendly and high performance polymer semiconductors
Authors
Cho, Jang WhanYoon, Seong WonSim, Kyu MinJeong, Yong JinPark, Chan EonKwon, Soon-KiKim, Yun-HiChung, Dae Sung
DGIST Authors
Cho, Jang Whan; Yoon, Seong Won; Sim, Kyu Min; Chung, Dae Sung
Issue Date
2017-11
Citation
Energy and Environmental Science, 10(11), 2324-2333
Type
Article
Article Type
Article
Keywords
FIELD-EFFECT TRANSISTORSCHARGE-CARRIER MOBILITYORGANIC SOLAR-CELLSCARBON NANOTUBESPHOTODETECTORSNANOPARTICLESSUBSTITUTIONCOPOLYMER
ISSN
1754-5692
Abstract
Commercial interest in the environmentally friendly processing of polymer semiconductors is on the rise. To reduce noxious solvent use and to realize water-borne colloids of polymer semiconductors, we developed a universal and eco-friendly miniemulsion process to satisfy four essential criteria: (1) efficient emulsification for synthesizing small and uniform polymer semiconductor particles, (2) efficient coalescence of particles to yield high quality thin films with low roughness and high fill-factors, (3) efficient removal of residual surfactants, and (4) high ordering of polymers within particles. We screened various surfactants to find conditions that satisfied the suggested selection rules regardless of the charge polarity and molecular structure of the polymer semiconductor. Our universal method can be applied to first-generation polythiophene derivatives as well as to the latest p-type, n-type and ambipolar polymers with planar backbones and high charge carrier mobility. Using these results, we fabricated for the first time a high-performance complementary inverter and a photodiode using water as a processing solvent. © The Royal Society of Chemistry 2017.
URI
http://hdl.handle.net/20.500.11750/4856
DOI
10.1039/c7ee01943b
Publisher
Royal Society of Chemistry
Files:
There are no files associated with this item.
Collection:
Energy Science and EngineeringETC1. Journal Articles
ETC1. Journal Articles


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