Solution‐Processable Donor‐Acceptor‐Donor Oligomers with Cross‐Linkable Functionality. Issue 5 (18th December 2014)

• Record Type: Journal Article
• Authors: Brotas, Graça; Costa, Cristiana; Dias, Sandra I. G.; Costa, Pedro M. M.; Di Paolo, Roberto E.; Martins, João; Farinhas, Joana; Alcácer, Luís; Morgado, Jorge; Matos, Manuel; Charas, Ana
• Is Part Of: Macromolecular chemistry and physics. Volume 216:Issue 5(2015:Mar.)
• Page Start: 519
• Page End: 529
• Publication Date: 2014-12-18
• Subjects: Polymers -- Periodicals; Polymerization -- Periodicals; Synthetic products -- Periodicals; Macromolecules -- Periodicals; 547.7
• DOI: 10.1002/macp.201400527
• Languages: English
• ISSNs: 1022-1352

Abstract

<abstract abstract-type="main" xml:lang="en"> <title> <x xml:space="preserve">Abstract</x> </title> <p>Electron‐acceptor units, combined with bithiophene substituted with flexible chains end‐functionalized with cross‐linkable moieties, provide soluble donor‐acceptor‐donor (DAD) π‐conjugated oligomer‐type molecules with cross‐linking ability and broad absorption in the visible spectrum. A study on the cross‐linking conditions of the new oligomers to yield insoluble polymer networks is presented, including conditions for obtaining polymer films over poly(3, 4‐ethylenedioxythiophene):polystyrene sulfonate‐covered substrates. The combination of the DAD molecular design and cross‐linking functionality opens prospects for applications in solution‐processed small‐molecule solar cells with morphologically‐stable organic layers. <boxed-text content-type="graphic" position="anchor" orientation="portrait"><graphic position="anchor" mimetype="image" xlink:href="ark:/27927/pgj43386hm" orientation="portrait" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" /></boxed-text></p> </abstract>