1 Ocak 2022 Dergi makalesi Açık Erişim

Celiker, Tugba; Altinisik, Sinem; Vaitusionak, Aliaksei; Kostjuk, Sergei V.; Koyuncu, Sermet; Yagci, Yusuf

Dublin Core

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  <dc:creator>Celiker, Tugba</dc:creator>
  <dc:creator>Altinisik, Sinem</dc:creator>
  <dc:creator>Vaitusionak, Aliaksei</dc:creator>
  <dc:creator>Kostjuk, Sergei V.</dc:creator>
  <dc:creator>Koyuncu, Sermet</dc:creator>
  <dc:creator>Yagci, Yusuf</dc:creator>
  <dc:date>2022-01-01</dc:date>
  <dc:description>Photoinduced radical and step-growth polymerizations of carbazole functional styrene (vinyl phenyl carbazole, VPC) by sequential and one-pot strategies have been investigated. The obtained polymers were characterized by FTIR, H-1-NMR, GPC, UV-Vis, PL, CV, and BET analyses. The theoretical charge distribution and HOMO-LUMO calculation by DFT were well-matched with those obtained from optical and electrochemical measurements. In the sequential approach, visible light-induced free-radical photopolymerization of VPC by using bisacyl phosphineoxide results in the formation of linear polymers with side-chain carbazole moieties. The resulting polymers exhibit a smooth surface as a consequence of decreasing crystallinity. As evidenced by TEM analysis, the subsequent photoiniated step-growth polymerization of the carbazole groups by using diphenyliodonium hexafluorophosphate (DPI) yields hyperbranched and cross-linked polymers with the microspheres on the surface. In the one-pot approach, concomitant photoinitiated free-radical and step-growth polymerizations by using DPI results in the formation of cross-linked polymers with dispersed distribution. The total nitrogen uptake of VPC-based polymers by using Brunauer-Emmett-Teller (BET) surface area was found to be between about 150 and 190 m(2)/g at 77 K.</dc:description>
  <dc:identifier>https://aperta.ulakbim.gov.trrecord/260771</dc:identifier>
  <dc:identifier>oai:aperta.ulakbim.gov.tr:260771</dc:identifier>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>http://www.opendefinition.org/licenses/cc-by</dc:rights>
  <dc:source>MACROMOLECULES</dc:source>
  <dc:title>Sequential and Simultaneous Photoinduced Radical and Step- Growth Polymerizations of Carbazole Functional Styrene</dc:title>
  <dc:type>info:eu-repo/semantics/article</dc:type>
  <dc:type>publication-article</dc:type>
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