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Syntheses and spectroscopic properties of energy transfer systems based on squaraines
Umeå universitet, Teknisk-naturvetenskaplig fakultet, Kemi.
Vise andre og tillknytning
2003 (engelsk)Inngår i: Tetrahedron, Vol. 59, nr 17, s. 3109-16Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The purpose of this project was to prepare fluorescent dyes that could absorb energy at relatively short wavelengths, and fluoresce in the near-IR region. To achieve this, copper- and palladium-mediated C–N couplings were used to prepare the ‘cassettes’, i.e the carbazole derivative 3b and the carbazole-, phenothiazine-, and phenoazine-squaraines 4b–d. These compounds have carbazole, phenothiazine, and phenoazine donor-components that absorb around about 300–320 nm, and squaraine acceptor-parts that fluoresce in the range 650–700 nm. The efficiencies of energy transfer from the donor to the acceptor, and the overall quantum yields of the cassettes were determined.

sted, utgiver, år, opplag, sider
2003. Vol. 59, nr 17, s. 3109-16
Emneord [en]
squaraines, fluorescence, energy-transfer, C–N couplings
Identifikatorer
URN: urn:nbn:se:umu:diva-10061DOI: doi:10.1016/S0040-4020(03)00383-1OAI: oai:DiVA.org:umu-10061DiVA, id: diva2:149732
Tilgjengelig fra: 2008-06-12 Laget: 2008-06-12 Sist oppdatert: 2018-06-09bibliografisk kontrollert

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