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

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

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 x 10(-50) cm4 s photon(-1) molecule(-1), measured with 150 fs laser pulses at 800 nm); a strong coope...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2003-09 (17), p.2144-2145
Hauptverfasser: Abbotto, Alessandro, Beverina, Luca, Bozio, Renato, Facchetti, Antonio, Ferrante, Camilla, Pagani, Giorgio A, Pedron, Danilo, Signorini, Raffaella
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container_title Chemical communications (Cambridge, England)
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creator Abbotto, Alessandro
Beverina, Luca
Bozio, Renato
Facchetti, Antonio
Ferrante, Camilla
Pagani, Giorgio A
Pedron, Danilo
Signorini, Raffaella
description 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 x 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.
doi_str_mv 10.1039/b305995b
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title Novel heteroaromatic-based multi-branched dyes with enhanced two-photon absorption activity
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