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:
CreatorsEmailORCIDORCID Put Code
Garg, ShubhamUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schwartz, HeidiUNSPECIFIEDorcid.org/0000-0001-9894-1527UNSPECIFIED
Kozlowska, MarianaUNSPECIFIEDorcid.org/0000-0001-8471-8914UNSPECIFIED
Kanj, Anemar BrunoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mueller, KaiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wenzel, WolfgangUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ruschewitz, UweUNSPECIFIEDorcid.org/0000-0002-6511-6894UNSPECIFIED
Heinke, LarsUNSPECIFIEDorcid.org/0000-0002-1439-9695UNSPECIFIED
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: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
CHARGE-TRANSPORT; SINGLE; CHEMISTRY; CRYSTALS; BEHAVIOR; MOFSMultiple languages
Chemistry, MultidisciplinaryMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/15905

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