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Yang, Changduk
Advanced Tech-Optoelectronic Materials Synthesis Lab (ATOMS)
Research Interests
  • Optoelectronic materials synthesis/organic electronics, functionalization of carbonaceous solids, advanced materials chemistry, macromolecular chemistry

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Improvement in Solubility and Molecular Assembly of Cyclopentadithiophene-Benzothiadiazole Polymer

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Title
Improvement in Solubility and Molecular Assembly of Cyclopentadithiophene-Benzothiadiazole Polymer
Author
Lee, JunghoMarszalek, TomaszLee, Kyu CheolKim, JonggiPisula, WojciechYang, Changduk
Issue Date
2015-06
Publisher
WILEY-V C H VERLAG GMBH
Citation
MACROMOLECULAR CHEMISTRY AND PHYSICS, v.216, no.11, pp.1244 - 1250
Abstract
Using linear side chains for conjugated polymers is hindered by their limited solubility in common organic solvents, creating problems during purification and processing, whereas branched alkyl chains generally preclude interchain interdigitation because their bulkiness usually hinders interchain interactions. To compensate the adverse effects from each side chain, it is shown that replacing commonly employed 2-ethylhexyl (2EH) solubilizing groups with branched 5-ethylnonyl (5EN) chains not only improves solution processability to PCDT-BT polymer, but also induces an advantageous change in polymer self-assembly and backbone orientation in thin films that correlates with an increase in transistor performance
URI
https://scholarworks.unist.ac.kr/handle/201301/11850
URL
http://onlinelibrary.wiley.com/doi/10.1002/macp.201500087/abstract
DOI
10.1002/macp.201500087
ISSN
1022-1352
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