Universität zu Köln

Hermann, Sergej, Shallcross, R. Clayton and Meerholz, Klaus ORCID: 0000-0001-7450-4672 (2014). Simple Fabrication of an Organic Laser by Microcontact Molding of a Distributed Feedback Grating. Adv. Mater., 26 (34). S. 6019 - 6026. WEINHEIM: WILEY-V C H VERLAG GMBH. ISSN 1521-4095

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Abstract

Lasing from an organic polymer is demonstrated in a device utilizing a distributed feedback (DFB) grating, manufactured by microcontact molding of CdSe nanocrystals (NCs) directly on top of the emitter layer. Besides the simpler fabrication in comparison with a reference device based on a photolithographically prepared DFB grating in a bottom dielectric layer, a much higher DFB strength for NC-gratings is observed, resulting in reduced lasing threshold and a fourfold differential lasing efficiency.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Hermann, Sergej UNSPECIFIED UNSPECIFIED UNSPECIFIED Shallcross, R. Clayton UNSPECIFIED UNSPECIFIED UNSPECIFIED Meerholz, Klaus UNSPECIFIED orcid.org/0000-0001-7450-4672 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-428812
DOI:	10.1002/adma.201401616
Journal or Publication Title:	Adv. Mater.
Volume:	26
Number:	34
Page Range:	S. 6019 - 6026
Date:	2014
Publisher:	WILEY-V C H VERLAG GMBH
Place of Publication:	WEINHEIM
ISSN:	1521-4095
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 AMPLIFIED SPONTANEOUS EMISSION; SEMICONDUCTOR NANOCRYSTALS; ELECTRICAL-TRANSPORT; CONJUGATED POLYMER; QUANTUM DOTS; FILMS; CDSE; DEVICE Multiple languages Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/42881