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Transparent-to-dark photo- and electrochromic gels
Gonzalez, Laura; Liu, Chung; Dietrich, Bart et al.
2018In Communications Chemistry, 1
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Abstract :
[en] Smart windows in which the transmittance can be controlled on demand are a promising solution for the reduction of energy use in buildings. Windows are often the most energy inefficient part of a building, and so controlling the transmittance has the potential to significantly improve heating costs. Whilst numerous approaches exist, many suitable materials are costly to manufacture and process and so new materials could have a significant impact. Here we describe a gel-based device which is both photo- and electrochromic. The gel matrix is formed by the self-assembly of a naphthalene diimide. The radical anion of the naphthalene diimide can be formed photo or electrochemically, and leads to a desirable transition from transparent to black. The speed of response, low potential needed to generate the radical anion, cyclability of the system, temperature stability and low cost mean these devices may be suitable for applications in smart windows.
Disciplines :
Physics
Author, co-author :
Gonzalez, Laura
Liu, Chung
Dietrich, Bart
Su, Hao
Sproules, Stephen
Cui, Honggang
Honecker, Dirk ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Adams, Dave J.
Draper, Emily R.
External co-authors :
yes
Language :
English
Title :
Transparent-to-dark photo- and electrochromic gels
Publication date :
2018
Journal title :
Communications Chemistry
ISSN :
2399-3669
Publisher :
Springer Nature, London, United Kingdom
Volume :
1
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Physics and Materials Science
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since 03 December 2019

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