Syntheses and spectroscopic properties of energy transfer systems based on squaraines

abstract

• 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 300-320nm, and squaraine acceptor-parts that fluoresce in the range 650-700nm. The efficiencies of energy transfer from the donor to the acceptor, and the overall quantum yields of the cassettes were determined. 2003 Elsevier Science Ltd. All rights reserved.

authors

• Burgess, Kevin

published proceedings

• TETRAHEDRON

author list (cited authors)

• Jiao, G. S., Loudet, A., Lee, H. B., Kalinin, S., Johansson, L., & Burgess, K.

citation count

• 37

complete list of authors

• Jiao, GS||Loudet, A||Lee, HB||Kalinin, S||Johansson, LBA||Burgess, K

publication date

• April 2003

publisher

• Elsevier  Publisher

published in

• Tetrahedron  Journal

keywords

• C-n Couplings
• Energy-transfer
• FLUORESCENCE
• Squaraines

Digital Object Identifier (DOI)

• 10.1016/S0040-4020(03)00383-1

start page

• 3109

end page

• 3116

volume

• 59

issue

• 17

URL

• http://dx.doi.org/10.1016/s0040-4020(03)00383-1

user-defined tag

• 7 Affordable and Clean Energy