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1. The synthesis of anovel1,8-naphthalimidebasedPAMAM-typedendron and its potential for light-harvesting

Author

Bulgarian Academy of Sciences, CSIC - Instituto de Ciencia y Tecnología de Polímeros (ICTP), Ministerio de Educación y Ciencia (España), McKenna, Mark D., Grabchev, Ivo, Bosch, Paula, Bulgarian Academy of Sciences, CSIC - Instituto de Ciencia y Tecnología de Polímeros (ICTP), Ministerio de Educación y Ciencia (España), McKenna, Mark D., Grabchev, Ivo, and Bosch, Paula

Abstract

The photophysical characteristics of a PAMAM-type dendron that utilizes a 4-ethoxy-1,8-naphthalimide donor and 4-piperidine-1,8-naphthalimide acceptor in nine organic solvents of different polarities were investigated using absorption and fluorescent spectroscopy. The 1,8-naphthalimide acceptor can be indirectly excited by the donor 1,8-naphthalimide at 372 nm whereby the only emission observed is that due to the acceptor at 517 nm; no acceptor emission at 435 nm was observed. The efficiency of energy transfer was w98%.

Published
2009

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