Journal
CANADIAN JOURNAL OF CHEMISTRY
Volume 92, Issue 10, Pages 918-924Publisher
CANADIAN SCIENCE PUBLISHING
DOI: 10.1139/cjc-2014-0025
Keywords
terpyridine complexes; SERS; beta-cyclodextrin; gold nanoparticles; UV dosimetry
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Funding
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [2009/08584-6]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
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The bis(4-thienylterpyridine)iron(II) complex was employed, in comparison with the 4-phenylterpyridine analogue, as a molecular probe for monitoring the surface plasmon interactions with gold nanoparticles. The two complexes exhibited distinct SERS responses, confirming the binding of the thienyl group to the gold nanoparticles. Their inclusion into beta-cyclodextrin anchored on TiO2 surfaces provided a useful system for applications in UV dosimetry, based on the gradual bleaching of the violet-blue color under sunlight and air.
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