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- Title
Molecular Photoswitching Aided by Excited-State Aromaticity.
- Authors
Durbeej, Bo; Wang, Jun; Oruganti, Baswanth
- Abstract
Central to the development of optoelectronic devices is the availability of efficient synthetic molecular photoswitches, the design of which is an arena where the evolving concept of excited-state aromaticity (ESA) is yet to make a big impact. The aim of this minireview is to illustrate the potential of this concept to become a key tool for the future design of photoswitches. The paper starts with a discussion of challenges facing the use of photoswitches for applications and continues with an account of how the ESA concept has progressed since its inception. Then, following some brief remarks on computational modeling of photoswitches and ESA, the paper describes two different approaches to improve the quantum yields and response times of switches driven by E/Z photoisomerization or photoinduced H-atom/proton transfer reactions through simple ESA considerations. It is our hope that these approaches, verified by quantum chemical calculations and molecular dynamics simulations, will help stimulate the application of the ESA concept as a general tool for designing more efficient photoswitches and other functional molecules used in optoelectronic devices.
- Subjects
EXCITED states; AROMATICITY; OPTOELECTRONIC devices; PROTON transfer reactions; QUANTUM chemistry; MOLECULAR dynamics
- Publication
ChemPlusChem, 2018, Vol 83, Issue 11, p958
- ISSN
2192-6506
- Publication type
Article
- DOI
10.1002/cplu.201800307