Universität zu Köln

Koeber, Sebastian, Seidenspinner, Andreas, Meerholz, Klaus ORCID: 0000-0001-7450-4672, Krueger, Hartmut and Janietz, Silvia (2017). Optimizing the Near-Infrared Performance of Photorefractive Composites by Chemical Modification of the Sensitizer. ChemPhotoChem, 1 (7). S. 304 - 311. WEINHEIM: WILEY-V C H VERLAG GMBH. ISSN 2367-0932

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Abstract

The influence of structural changes of a naphthalene-bisimide sensitizer on the photorefractive behavior of the respective polymeric composites is reported. By increasing the number of attached thiophene units, the band gap of the sensitizer was gradually reduced, leading to an increased absorption crosssection of the photorefractive materials. However, the electronaccepting capabilities as well as the relative content of the sensitizer in the composites remained unchanged for the whole series. The increased absorption had a remarkably beneficial effect on both the steady-state as well as the dynamic performance of the composites, leading to a material which is able to outperform the former fastest and most sensitive material at the utilized wavelength by a factor of two.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Koeber, Sebastian UNSPECIFIED UNSPECIFIED UNSPECIFIED Seidenspinner, Andreas UNSPECIFIED UNSPECIFIED UNSPECIFIED Meerholz, Klaus UNSPECIFIED orcid.org/0000-0001-7450-4672 UNSPECIFIED Krueger, Hartmut UNSPECIFIED UNSPECIFIED UNSPECIFIED Janietz, Silvia UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-225713
DOI:	10.1002/cptc.201700042
Journal or Publication Title:	ChemPhotoChem
Volume:	1
Number:	7
Page Range:	S. 304 - 311
Date:	2017
Publisher:	WILEY-V C H VERLAG GMBH
Place of Publication:	WEINHEIM
ISSN:	2367-0932
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Physical Chemistry
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language POLYMER; MECHANISMS; DEVICE Multiple languages Chemistry, Physical Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/22571