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https://hdl.handle.net/2440/117342
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dc.contributor.author | Wang, Z. | - |
dc.contributor.author | Dreos, A. | - |
dc.contributor.author | Sumby, C. | - |
dc.contributor.author | Nielsen, M. | - |
dc.contributor.author | Börjesson, K. | - |
dc.contributor.author | Erhart, P. | - |
dc.contributor.author | Moth-Poulsen, K. | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | Chemistry: A European Journal, 2018; 24(49):12767-12772 | - |
dc.identifier.issn | 0947-6539 | - |
dc.identifier.issn | 1521-3765 | - |
dc.identifier.uri | http://hdl.handle.net/2440/117342 | - |
dc.description.abstract | Norbornadiene-quadricyclane (NBD-QC) photoswitches are candidates for applications in solar thermal energy storage. Functionally, they rely on an intramolecular [2+2] cycloaddition reaction, which couples the S0 landscape on the NBD side to the S1 landscape on the QC side of the reaction and vice-versa. This commonly results in an unfavourable correlation between the first absorption maximum and the barrier for thermal back-conversion. This work demonstrates that this correlation can be counteracted by using steric repulsion to hamper the rotational motion of the side groups along the back-conversion path. It is shown that this modification reduces the correlation between the effective back-conversion barrier and the first absorption maximum and also increases the back-conversion entropy. The resulting molecules exhibit exceptionally long half-lives for their metastable forms without significantly affecting other properties, most notably solar spectrum match and storage density. | - |
dc.description.statementofresponsibility | Martyn Jevric, Anne U. Petersen, Mads Mansø, Sandeep Kumar Singh, Zhihang Wang, Ambra Dreos, Christopher Sumby, Mogens Brønds Nielsen, Karl Börjesson, Paul Erhart and Kasper Moth-Poulsen | - |
dc.language.iso | en | - |
dc.publisher | Wiley | - |
dc.rights | © 2018 Wiley-VCH Verlag GmbH &Co. KGaA, Weinheim. | - |
dc.source.uri | http://dx.doi.org/10.1002/chem.201802932 | - |
dc.subject | Energy storage | - |
dc.subject | molecular photoswitches | - |
dc.subject | norbornadienes | - |
dc.subject | quadricyclane | - |
dc.subject | solar energy | - |
dc.title | Norbornadiene-based photoswitches with exceptional combination of solar spectrum match and long-term energy storage | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1002/chem.201802932 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/LE0989336 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Sumby, C. [0000-0002-9713-9599] | - |
Appears in Collections: | Aurora harvest 3 Chemistry and Physics publications |
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