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American Chemical Society, Organic Letters, 16(8), p. 3501-3504, 2006

DOI: 10.1021/ol061227n

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Novel Spiro-Configured PET Chromophores Incorporating 4,5-Diazafluorene Moiety as an Electron Acceptor

Journal article published in 2006 by Hsiao-Fan Chen ORCID, Fu-Chuan Fang, Ken-Tsung; Chen Hsiao-Fan; Fang Fu-Chuan Wong
This paper is available in a repository.
This paper is available in a repository.

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Abstract

[reaction: see text] We have synthesized novel spiro-bridged chromophores incorporating a 4,5-diazafluorene unit as the electron acceptor (A) and aryl amino groups as donor (D) moieties. The orthogonal D-A configuration limits ground-state D-A interactions but allows efficient PET reactions. The PET efficiency was modulated by the electronic characteristics of the donor and by the D-A distance. Preliminary studies showed that the PET process can be manipulated through metal ion complexation of the 4,5-diazafluorene moiety.