Univerzita PardubiceFakulta chemicko- technologická

Univerzita Pardubice

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Publikace detail

Imidazolium as an acceptor unit in push-pull chromophores

Autoři: Pippig Falko | Bureš Filip

Rok: 2013

Druh publikace: ostatní - přednáška nebo poster

Strana od-do: nestránkováno

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
eng	Imidazolium as an acceptor unit in push-pull chromophores	Organic push-pull systems play an important role as active materials in optoelectronic devices. Among others, five-membered imidazole can be employed as a p-conjugated backbone in such charge-transfer chromophores. Moreover, further alkylation of imidazole generates imidazolium ion that would possess pronounced electron accepting ability. Hence, we have proposed a general structure of D-p-A system with methoxy donor appended at the position C2 and aromates modified by auxiliary acceptors at positions C4 and C5. This arrangement would assure efficient intramolecular charge-transfer from the methoxy donor to the imidazolium ion and results in push-pull chromophore with enhanced nonlinear-optical properties.	Imidazolium; acceptor unit; push-pull chromophores