Journal
RSC ADVANCES
Volume 6, Issue 75, Pages 71199-71205Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra11452k
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Funding
- Major State Basic Research Development Program of China [2013CB922101, 2011CB808704]
- National Natural Science Foundation of China [21371090]
- Natural Science Foundation of Jiangsu Province [BK20130054]
- China-South Africa joint research program [CS08-L07, 95421]
- NRF of South Africa CSUR grant [93627]
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The synthesis and characterization of a subphthalocyanine-azobenzene-subphthalocyanine triad is reported. Evidence for trans <-> cis isomerization of the linking azobenzene moiety is observed in the NMR and optical spectra when the subphthalocyanine rings are used as light-harvesting units. Significantly, a decrease in fluorescence intensity is observed on moving from trans -> cis with a recovery in intensity observed on moving back from cis -> trans that can be attributed to a change in the rate of non-radiative decay.
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