Universität zu Köln

Garg, Shubham, Schwartz, Heidi ORCID: 0000-0001-9894-1527, Kozlowska, Mariana ORCID: 0000-0001-8471-8914, Kanj, Anemar Bruno, Mueller, Kai, Wenzel, Wolfgang, Ruschewitz, Uwe ORCID: 0000-0002-6511-6894 and Heinke, Lars ORCID: 0000-0002-1439-9695 (2019). Conductance Photoswitching of Metal-Organic Frameworks with Embedded Spiropyran. Angew. Chem.-Int. Edit., 58 (4). S. 1193 - 1198. WEINHEIM: WILEY-V C H VERLAG GMBH. ISSN 1521-3773

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Abstract

Conductive metal-organic frameworks (MOFs) as well as smart, stimuli-responsive MOF materials have attracted considerable attention with respect to advanced applications in energy harvesting and storage as well as in signal processing. Here, the conductance of MOF films of type UiO-67 with embedded photoswitchable nitro-substituted spiropyrans was investigated. Under UV irradiation, the spiropyran (SP) reversibly isomerizes to the open merocyanine (MC) form, a zwitterionic molecule with an extended conjugated pi-system. The light-induced SP-MC isomerization allows for remote control over the conductance of the SP@UiO-67 MOF film, and the conductance can be increased by one order of magnitude. This research has the potential to contribute to the development of a new generation of photoelectronic devices based on smart hybrid materials.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Garg, Shubham UNSPECIFIED UNSPECIFIED UNSPECIFIED Schwartz, Heidi UNSPECIFIED orcid.org/0000-0001-9894-1527 UNSPECIFIED Kozlowska, Mariana UNSPECIFIED orcid.org/0000-0001-8471-8914 UNSPECIFIED Kanj, Anemar Bruno UNSPECIFIED UNSPECIFIED UNSPECIFIED Mueller, Kai UNSPECIFIED UNSPECIFIED UNSPECIFIED Wenzel, Wolfgang UNSPECIFIED UNSPECIFIED UNSPECIFIED Ruschewitz, Uwe UNSPECIFIED orcid.org/0000-0002-6511-6894 UNSPECIFIED Heinke, Lars UNSPECIFIED orcid.org/0000-0002-1439-9695 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-159056
DOI:	10.1002/anie.201811458
Journal or Publication Title:	Angew. Chem.-Int. Edit.
Volume:	58
Number:	4
Page Range:	S. 1193 - 1198
Date:	2019
Publisher:	WILEY-V C H VERLAG GMBH
Place of Publication:	WEINHEIM
ISSN:	1521-3773
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Inorganic Chemistry
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language CHARGE-TRANSPORT; SINGLE; CHEMISTRY; CRYSTALS; BEHAVIOR; MOFS Multiple languages Chemistry, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/15905