Issue 17, 2003

Novel heteroaromatic-based multi-branched dyes with enhanced two-photon absorption activity

Abstract

The first examples of heterocycle-based multi-branched dyes with efficient two-photon absorption (TPA) activity are reported; the novel chromophores exhibit large TPA cross sections (as high as 1600 × 10−50 cm4 s photon−1 molecule−1, measured with 150 fs laser pulses at 800 nm); a strong cooperative enhancement in the branched systems with respect to the one-dimensional sub-units is found.

Graphical abstract: Novel heteroaromatic-based multi-branched dyes with enhanced two-photon absorption activity

Supplementary files

Article information

Article type
Communication
Submitted
28 May 2003
Accepted
02 Jul 2003
First published
15 Jul 2003

Chem. Commun., 2003, 2144-2145

Novel heteroaromatic-based multi-branched dyes with enhanced two-photon absorption activity

A. Abbotto, L. Beverina, R. Bozio, A. Facchetti, C. Ferrante, G. A. Pagani, D. Pedron and R. Signorini, Chem. Commun., 2003, 2144 DOI: 10.1039/B305995B

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