Journal
DALTON TRANSACTIONS
Volume 44, Issue 19, Pages 8812-8815Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5dt01107h
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Funding
- Australian Research Council [DP150104117]
- Danish National Research Foundation [DNRF93]
- Australian Postgraduate Award
- ARC [FT120100073]
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The inclusion of a ligated ruthenium moiety to ethynyl spiropyran, 5'-ethynyl-1', 3', 3'-trimethyl-6-nitrospiro[chromene-2,2'-indoline], has been shown to increase the lifetime of the ring-opened merocyanine form twentyfold. Calculations suggest that the higher barrier to thermal reversion of the merocyanine form of the metal alkynyl complex arises from the capacity for greater delocalisation of charge consequent of the presence of the ruthenium moiety. The complex may provide a different switching mechanism to the 5,5'-dithienylperfluorocyclopentene electrode decoupling seen previously.
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