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Title: Multi-photon absorption in metal-organic frameworks
Authors: Medishetty, Raghavender
Nemec, Lydia
Nalla, Venkatram
Henke, Sebastian
Samoć, Marek
Reuter, Karsten
Fischer, Roland A.
Keywords: Charge Polarization
Metal–organic Frameworks
Issue Date: 2017
Source: Medishetty, R., Nemec, L., Nalla, V., Henke, S., Samoć, M., Reuter, K., et al. (2017). Multi-photon absorption in metal-organic frameworks. Angewandte Chemie International Edition, 56(46), 14743-14748.
Series/Report no.: Angewandte Chemie International Edition
Abstract: Multi‐photon absorption (MPA) is among the most prominent nonlinear optical (NLO) effects and has applications, for example in telecommunications, defense, photonics, and bio‐medicines. Established MPA materials include dyes, quantum dots, organometallics and conjugated polymers, most often dispersed in solution. We demonstrate how metal–organic frameworks (MOFs), a novel NLO solid‐state materials class, can be designed for exceptionally strong MPA behavior. MOFs consisting of zirconium‐ and hafnium‐oxo‐clusters and featuring a chromophore linker based on the tetraphenylethene (TPE) molecule exhibit record high two‐photon absorption (2PA) cross‐section values, up to 3600 GM. The unique modular building‐block principle of MOFs allows enhancing and optimizing their MPA properties in a theory‐guided approach by combining tailored charge polarization, conformational strain, three‐dimensional arrangement, and alignment of the chromophore linkers in the crystal.
ISSN: 1433-7851
DOI: 10.1002/anie.201706492
Rights: © 2017 Wiley-VCH Verlag GmbH &Co. KGaA, Weinheim. This is the author created version of a work that has been peer reviewed and accepted for publication by Angewandte Chemie International Edition, Wiley-VCH Verlag GmbH &Co. KGaA, Weinheim. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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