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Organic Optoelectronics and Photonics III

DOI: 10.1117/12.783273

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One and two-photon absorption and emission properties of heteroaromatic bichromophores

Journal article published in 2008 by Alessandro Abbotto ORCID, Luca Bellotto, Renato Bozio, Camilla Ferrante, Ilaria Fortunati, Eleonora Garbin, Chiara Marinzi, Anna Painelli ORCID, Cristina Sissa ORCID, Francesca Terenziani ORCID
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Abstract

We present the design, synthesis, and characterization of a class of heteroaromatic bichromophores in order to investigate intermolecular interactions and their effect on optical and nonlinear optical properties. As a design strategy we have linked two dipolar or quadrupolar units through a non-conjugated alkyl chain. The two units are connected either through their donor or their acceptor end-groups. This study represents a first step towards the design of bi- and multichromophoric systems with optimized NLO responses in order to exploit collective and cooperative effects from interchromophore interactions.