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Highly Crystalline Films of PCPDTBT with Branched Side Chains by Solvent Vapor Crystallization: Influence on Opto-Electronic Properties

  • PCPDTBT, a marginally crystallizable polymer, is crystallized into a new crystal structure using solvent-vapor annealing. Highly ordered areas with three different polymer-chain orientations are identified using TEM/ED, GIWAXS, and polarized Raman spectroscopy. The optical and structural properties differ significantly from films prepared by standard device preparation protocols. Bilayer solar cells, however, show similar performance.

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Author:Florian S. U. Fischer, Daniel Trefz, Justus Back, Navaphun Kayunkid, Benjamin Tornow, Steve AlbrechtGND, Kevin G. Yager, Gurpreet Singh, Alamgir Karim, Dieter NeherORCiDGND, Martin BrinkmannGND, Sabine Ludwigs
ISSN:0935-9648 (print)
ISSN:1521-4095 (online)
Pubmed Id:http://www.ncbi.nlm.nih.gov/pubmed?term=25482608
Parent Title (English):Advanced materials
Place of publication:Weinheim
Document Type:Article
Year of first Publication:2015
Year of Completion:2015
Release Date:2017/03/27
First Page:1223
Last Page:1228
Funder:DFG [SPP-1355]; Emmy Noether Program; EU; BMBF [FKZ 03IS2151D]; European Community [C25 Rhin-Solar]; U.S. Department of Energy, Office of Basic Energy Sciences [DE-AC02-98CH10886]; U.S. Department of Energy, Division of Basic Energy Sciences [DE-FG02-10ER4779]
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer Review:Referiert