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

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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.

Metadaten
Author details:	Florian S. U. Fischer, Daniel Trefz, Justus Back, Navaphun Kayunkid, Benjamin Tornow, Steve Albrecht ORCiD GND, Kevin G. Yager, Gurpreet Singh, Alamgir Karim, Dieter Neher ORCiD GND, Martin Brinkmann GND, Sabine Ludwigs
DOI:	https://doi.org/10.1002/adma.201403475
ISSN:	0935-9648
ISSN:	1521-4095
Pubmed ID:	https://pubmed.ncbi.nlm.nih.gov/25482608
Title of parent work (English):	Advanced materials
Publisher:	Wiley-VCH
Place of publishing:	Weinheim
Publication type:	Article
Language:	English
Year of first publication:	2015
Publication year:	2015
Release date:	2017/03/27
Volume:	27
Issue:	7
Number of pages:	6
First page:	1223
Last Page:	1228
Funding institution:	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