Synthesis and Optical Properties of Push–Push–Pull Chromophores Based on Imidazo[5,1,2‐cd]indolizines and Naphtho[1′,2′:4,5]imidazo[1,2‐a]pyridines
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DOI: 10.1002/ejoc.201701109
Abstract: Four series of new push–push–pull chromophores based on two types of heterocyclic cores, namely imidazo[5,1,2-cd]indolizines and naphtho[1′,2′:4,5]imidazo[1,2-a]pyridines, and two types of linear π spacers, namely diphenylacetylene and biphenyl, were prepared. The two isomeric heterocyclic compounds… read more here.
Keywords: pull chromophores; naphtho imidazo; push push; chromophores based ... See more keywords
Synthesis and Nonlinear Optical Behavior of Thermally Stable Chromophores Based on 9,9-Dimethyl-9H-fluoren-2-amine: Improving Intrinsic Hyperpolarizability through Modulation of “Push–Pull”
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DOI: 10.1021/acsomega.2c04795
Abstract: Improvement in the first hyperpolarizability (βHRS) as well as intrinsic hyperpolarizability (βint) of chromophores based on 9,9-dimethyl-9H-fluoren-2-amine through modulation of the conjugation pathway is described. A series of six novel chromophores with “linear” conjugation showed… read more here.
Keywords: intrinsic hyperpolarizability; chromophores based; dimethyl fluoren; based dimethyl ... See more keywords
Design, synthesis, and properties of nonlinear optical chromophores based on a verbenone bridge with a novel dendritic acceptor
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DOI: 10.1039/c8tc00083b
Abstract: Two novel second order nonlinear optical (NLO) chromophores based on N,N-diethylaniline as a donor, verbenone based tetraene as a bridge, and tricyanofuran (TCF) or tricyanofuran derivatives with a dendritic moiety as an acceptor have been… read more here.
Keywords: bridge; chromophores based; verbenone; dendritic acceptor ... See more keywords
Push-Pull Chromophores Based on the Naphthalene Scaffold: Potential Candidates for Optoelectronic Applications
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DOI: 10.3390/ma12081342
Abstract: A series of ten push-pull chromophores comprising 1H-cyclopenta[b]naphthalene-1,3(2H)-dione as the electron-withdrawing group have been designed, synthesized, and characterized by UV-visible absorption and fluorescence spectroscopy, cyclic voltammetry and theoretical calculations. The solvatochromic behavior of the different… read more here.
Keywords: pull chromophores; dione; based naphthalene; chromophores based ... See more keywords