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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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Siloxane-Based Hybrid Semiconducting Polymers Prepared by Fluoride-Mediated Suzuki Polymerization

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Title
Siloxane-Based Hybrid Semiconducting Polymers Prepared by Fluoride-Mediated Suzuki Polymerization
Author
Lee, JunghoonHan, A-ReumLee, Sang-MyeonYoo, DohyukOh, Joon HakYang, Changduk
Issue Date
2015-04
Publisher
WILEY-V C H VERLAG GMBH
Citation
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.54, no.15, pp.4657 - 4660
Abstract
Siloxane-containing materials are a large and important class of organic-inorganic hybrids. In this report, a practical variation of the Suzuki polymerization to generate semiconducting polymeric hybrids based on siloxane units, which proceeds under essentially nonbasic conditions, is presented. This method generates solution-processable poly(diketopyrrolopyrrole-alt-benzothiadiazole) (PDPPBT-Si) consisting of the hybrid siloxane substituents, which could not be made using conventional methods. PDPPBT-Si exhibits excellent ambipolar transistor performance with well-balanced hole and electron FET mobilities. The siloxane-containing DPP-thiophene polymer classes (PDPP3T-Si and PDPP4T-Si), synthesized by this method, exhibit high hole mobility of up to 1.29 cm2V-1s-1. This synthetic approach should provide access to a variety of novel siloxane-containing conjugated semiconductor classes by using a variety of aryldihalides and aryldiboronic acids/esters. Heavy weight: Fluoride-mediated Suzuki polymerizations under conventional and microwave-assisted heating were performed to generate a solution-processable poly(diketopyrrolopyrrole-alt-benzothiadiazole) consisting of the hybrid siloxane substituents. The optimal reaction conditions, in terms of the molecular weights, involved the use of CsF and DME at 120°C with conventional heating for 24 hours
URI
https://scholarworks.unist.ac.kr/handle/201301/10929
URL
http://onlinelibrary.wiley.com/doi/10.1002/anie.201411557/abstract?systemMessage=Wiley+Online+Library+will+be+disrupted+on+21st+March+from+10%3A30+GMT+up+to+six+hours+and+from+05%3A30+EDT+up+to+six+hours+for+essential+maintenance.++Apologies+for+the+inconvenience.
DOI
10.1002/anie.201411557
ISSN
1433-7851
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