Two-photon absorption of Zn(ii) octupolar molecules
文献信息
Simone Mazzucato, Ilaria Fortunati, Sara Scolaro, Michele Zerbetto, Camilla Ferrante, Raffaella Signorini, Danilo Pedron, Renato Bozio, Danika Locatelli, Stefania Righetto, Dominique Roberto, Renato Ugo, Alessandro Abbotto, Graziano Archetti, Luca Beverina, Sergio Ghezzi
In this work we present an investigation of the non-linear optical (NLO) properties of two octupolar chromophores: [Zn(4,4′-bis(dibutylaminostyryl)-[2,2′]-bipyridine)3]2+ and [Zn(4,4′-bis((E)-2-(N-(TEG)pyrrol-2-yl)vinyl)-[2,2′]-bipyridine)3]2+ with Zn(II) as the coordination center, using two-photon emission technique (TPE) in fs-pulse temporal regime. Compared to the free ligands, our results do not show a net increase in the two-photon absorption (TPA) cross-section for the octupolar complexes, once normalized to the ligand unit. This is in partial disagreement with a previous theoretical study investigating the first molecule where a significant increase of the TPA cross-section was predicted (X. J. Liu, et al., J. Chem. Phys., 2004, 120, 11 493).
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.













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