Photochromic Free MOF‐Based Near‐Infrared Optical Switch
- 27 April 2020
- journal article
- research article
- Published by Wiley in Angewandte Chemie International Edition
- Vol. 59 (36) , 15522-15526
Abstract
We demonstrate herein an all‐optical switch based on stimuli‐responsive and photochromic‐free metal–organic framework (HKUST‐1). Ultrafast near‐infrared laser pulses stimulate a reversible 0.4 eV blue shift of the absorption band with up to 200 s −1 rate due to dehydration and concomitant shrinking of the structure‐forming [Cu 2 C 4 O 8 ] cages of HKUST‐1. Such light‐induced switching enables the remote modulation of intensities of photoluminescence of single crystals of HKUST‐1 as well visible radiation passing through the crystal by 2 order of magnitude. This opens up the possibility of utilyzing stimuli‐responsive MOFs for all‐optical data processing devices.Keywords
Funding Information
- Russian Science Foundation (19-79-10241)
- H2020 European Research Council (725686)
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