Preparation of Main-Chain Polymers Based on Novel Monomers with D−π–A Structure for Application in Organic Second-Order Nonlinear Optical Materials with Good Long-Term Stability

Ouyang, Canbin; Liu, Jialei; Liu, Qi; Li, Yuan; Yan, Dongdong; Wang, Qiuxia; Guo, Ming; Cao, Aocheng

doi:10.1021/acsami.7b00742

Cited by 49 publications

(20 citation statements)

References 31 publications

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“…[28,55] Considering intrinsically high optical hyperpolarizabilities, selfassembled ICT compounds have been extensively studied as efficient second-and/or third-order NLO materials. [38,58] For example, Luo and coworkers designed and synthesized novel D-A molecules DBD and BBD, both of which are centrosymmetric molecules that do not have second-order NLO signals ( Figure 2L). Notably, both microrods of DBD and BBD exhibited quadratic dependences of fluorescence intensities on the power of incident pump, verifying two-photon nature of NLO process.…”

Section: Nlo Properties Of Self-assembled Microstructuresmentioning

confidence: 99%

Self‐assembly and tunable optical properties of intramolecular charge transfer molecules

Shên

2020

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Crystalline aggregates formed by self‐assembly of organic small molecules have aroused intensive attention in many fields due to their controllable morphologies and functionalization. The advantages of intramolecular charge transfer (ICT) compounds endow them with the ability to self‐assemble into diverse dimensional crystalline microstructures, as potential candidates for advanced materials and smart miniatures in practical applications. In this review, the recent progresses of self‐assembled microstructures of functional ICT molecules in our group for a decade are summarized. The factors influencing the fabrication of the microstructures in solvent‐involved processes are fully discussed. Distinct optical properties induced by self‐assembly behaviors are also depicted. We try to give an outlook of structure‐property relationships in functional microstructure engineering and clarify the crucial issues to be addressed in the future scientific research.

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Section: Nlo Properties Of Self-assembled Microstructuresmentioning

confidence: 99%

Self‐assembly and tunable optical properties of intramolecular charge transfer molecules

Shên

2020

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“…Generally, a D--A molecule with excellent NLO properties can be assembled by rationally adjusting or modifying its three components. [11][12][13] According to the characteristics of the π-conjugated linker, the chromophores can be further differentiated into various species. Mesoionic rings are planar five-or sixmembered heterocyclic betaines with at least one side-chain whose -atom is also in the ring plane.…”

Section: Introductionmentioning

confidence: 99%

Theoretical Framework of 1,3-Thiazolium-5-Thiolates Mesoionic Compounds: Exploring the Nature of Photophysical Property and Molecular Nonlinearity

Liu

Tian

Tian³

et al. 2020

J. Phys. Chem. A

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Inspired by a previous experimental study on the first-order hyperpolarizabilities of 1,3-thiazolium-5-thiolates mesoionic compounds using Hyper-Rayleigh scattering technique, we theoretically investigated the UV-Vis absorption spectra and every order polarizabilities of these mesoionic molecules. Based on the fact that the photophysical and nonlinear properties observed in the experiment can be perfectly replicated, our theoretical calculations explored the essential characteristics of the optical properties of the mesoionic compounds with different electron-donating groups at the level of electronic structures through various wave function analysis methods. The influence of the electron-donating ability of the donor on the optical properties of the molecules and the contribution of the mesoionic ring moiety to their optical nonlinearity are clarified, which have not been reported by any research so far. This work will help people understand the nature of optical properties of mesoionic-based molecules and provide guidance for the rational design of molecules with excellent photoelectric performance in the future. File list (2) download file view on ChemRxiv Manuscript.pdf (917.60 KiB) download file view on ChemRxiv Supporting Information.pdf (1.07 MiB)

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“…The development of organic and organometallic second order nonlinear optical (NLO) chromophores has been an intensive research subject due to their potential in key field such as photonic 1-4 and electro-optics. [5][6][7][8][9] Key applications of second order NLO chromophores…”

Section: Introductionmentioning

confidence: 99%

Incorporation of a ferrocene unit in the π-conjugated structure of donor-linker-acceptor (D-π-A) chromophores for nonlinear optics (NLO)

et al. 2018

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In this paper we describe the synthesis, the electrochemical behaviour as well as the linear and nonlinear optical (NLO) properties of two push-pull derivatives bearing pyranylidene electron donating fragment, pyrimidine/methyl pyrimidinium electron withdrawing moiety and a ferrocene part in the π-conjugated bridge. The properties of these two compounds were compared to their analogues without ferrocene or pyranylidene fragments. Experimental results were completed with DFT calculations to gain further insight into the intramolecular charge transfer (ICT). All the results indicate a significant charge transfer through the ferrocene unit. The ICT is however more limited than in all organic analogues. Highlights • Ferrocene unit was incorporated in the π-conjugated linker or D-π-A compounds. • Intramolecular charge transfer through ferrocene moiety was studied. • Electrochemical and photophysical properties were compared with all organic analogues. • The ferrocene unit limits charge transfert from donor to acceptor.

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Preparation of Main-Chain Polymers Based on Novel Monomers with D−π–A Structure for Application in Organic Second-Order Nonlinear Optical Materials with Good Long-Term Stability

Cited by 49 publications

References 31 publications

Self‐assembly and tunable optical properties of intramolecular charge transfer molecules

Self‐assembly and tunable optical properties of intramolecular charge transfer molecules

Theoretical Framework of 1,3-Thiazolium-5-Thiolates Mesoionic Compounds: Exploring the Nature of Photophysical Property and Molecular Nonlinearity

Incorporation of a ferrocene unit in the π-conjugated structure of donor-linker-acceptor (D-π-A) chromophores for nonlinear optics (NLO)

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