Computational design of a molecular triple photoswitch for wavelength-selective control

  • A small single molecule with multiple photoswitchable subunits, selectively and independently controllable by light of different wavelengths, is highly attractive for applications in multi-responsive materials and biological sciences. Herein, triple photoswitches are presented consisting of three independent azobenzene (AB) subunits that share a common central phenyl ring: the meta-trisazobenzenes (MTA). It is the unique meta-connectivity pattern leading to decoupling of all azo-subunits although they do overlap spatially. Based on this pattern, we design a triple MTA photoswitch, as proof-of-principle, with three different, electronically independent AB branches on the computer, which can be individually photo-excited to trigger ultra-fast E → Z isomerization at the selected AB branch.

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Author:Chong Yang, Chavdar Slavov, Hermann A. Wegner, Josef WachtveitlORCiDGND, Andreas Dreuw
URN:urn:nbn:de:hebis:30:3-485861
DOI:https://doi.org/10.1039/c8sc03379j
ISSN:2041-6539
ISSN:2041-6520
Pubmed Id:https://pubmed.ncbi.nlm.nih.gov/30627390
Parent Title (English):Chemical science
Publisher:RSC
Place of publication:Cambridge
Document Type:Article
Language:English
Year of Completion:2018
Date of first Publication:2018/09/21
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2019/01/15
Volume:9
Issue:46
Page Number:8
First Page:8665
Last Page:8672
Note:
This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.
HeBIS-PPN:446280941
Institutes:Biochemie, Chemie und Pharmazie / Biochemie und Chemie
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung-Nicht kommerziell 3.0