Controlling the Growth of Molecular Crystal Aggregates with Distinct Linear and Nonlinear Optical Properties

Luo, Yusen; Yuan, Chunqing; Xu, Jialiang; Li, Yongjun; Liu, Huibiao; Semin, Sergey; Rasing, T.H.M.; Yang, Wensheng; Li, Yuliang

doi:10.1021/acsami.7b10109

Cited by 13 publications

(18 citation statements)

References 43 publications

(73 reference statements)

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“…[29] Similar with molecular backbones, electron donors are also designed based on π-conjugated systems like fundamental phenyl heterocyclic rings. [20,21,30,31] Carbazole group [22,32,33] is one of the most popularly adopted electron donors in ICT compounds synthesis. Two phenyl rings fused with nitrogen compose a large planar π system, which can supply sufficient delocalized electrons.…”

Section: Design Of Ict Moleculesmentioning

confidence: 99%

“…(L) NLO spectra of DBD and BBD. Reproduced with permission: Copyright 2017, ACS [21] in chloroform/cyclohexane system ( Figure 6). Lipophilic solvents chloroform and cyclohexane widened the space between adjacent layers by reducing hydrogen bonding interactions of hydrophilic glycol side chains.…”

Section: Solvent Techniques In Self-assembly Of Ict Moleculesmentioning

confidence: 99%

“…The differences in ground and excited states induced by ICT equip the molecular systems with various fluorescent signals. [15,16] Factors [17] influencing self-assembly behaviors range from solvent processing techniques [18] to chemical reaction conditions, [19] leading to construction of zero-dimensional (0D) nanospheres, [20] one-dimensional (1D) or sub-1D microwires, [21] nanorods, [22] two-dimensional (2D) [23,24] nanoplates, nanoribbons, and three-dimensional (3D) cubic nanostructures, which exhibit distinct linear and nonlinear optical (NLO) properties and waveguide properties, F I G U R E 1 Examples of molecular design for functional ICT compounds. Blue: electron acceptor; Red: electron donor indicating potential application in optoelectrical devices.…”

Section: Introductionmentioning

confidence: 99%

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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: Design Of Ict Moleculesmentioning

confidence: 99%

Section: Solvent Techniques In Self-assembly Of Ict Moleculesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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

Shên

2020

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“…These strategies also cause changes in second-order hyperpolarizability, responsible for third-order nonlinear optical effects, such as the absorption of two photons. One of the likely applications of two-photon absorption (TPA) is optical limiting, which can be used as power regulation and protection devices in optical networks [15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Nonlinear Optical Study in a Set of Dibenzylideneacetone Derivatives with Potential for Optical Frequency Conversion

et al. 2020

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The search for advanced optical materials, in particular, materials with nonlinear optical responses, has, in the last years, experienced substantial growth due to their vast applications in the photonics field. One of those applications is ultra-fast optical frequency conversion, in the optics communications field. Organic compounds have emerged as promising candidates for raw materials to develop nonlinear optical devices, such as optical converters, due to their intrinsic ultra-fast electronic responses. Also, the easy tailoring of organic molecular structures makes organic materials much more appealing than the inorganic ones. In this work, we have performed a linear and nonlinear optical characterization of a set of dibenzylideneacetone derivatives. The nonlinear optical responses investigated correspond to second- and third-order nonlinear processes, namely, first electronic molecular hyperpolarizability and two-photon absorption cross-section, respectively. The value of the first electronic molecular hyperpolarizability, up to 52 cm4·statvolt−1, could be considered a robust value when compared to the short-sized π-electron backbone length of the studied compounds. Such results suggest that these compounds exhibit the potential to be used as optical frequency converters. Quantum chemical calculations were used to predict the theoretical value of the first molecular hyperpolarizability, as well as to simulate the one- and two-photon absorption spectra for all compounds.

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“…In particular, the tailor-made molecular structures of organic NLO dyes allow for hierarchical self-assembled architectures on the micro-and nano-scales by multiple supramolecular interactions [3,12,13]. This results in subwavelength scale materials with very well-defined structures and therefore highly anistropic optical properties, serving as ideal building blocks for integrated photonic circuit applications [12,[14][15][16][17].…”

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confidence: 99%

Strong optical nonlinearities of self-assembled polymorphic microstructures of phenylethynyl functionalized fluorenones

Semin²,

Estrada

et al. 2018

Chinese Chemical Letters

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Controlling the Growth of Molecular Crystal Aggregates with Distinct Linear and Nonlinear Optical Properties

Cited by 13 publications

References 43 publications

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

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

Nonlinear Optical Study in a Set of Dibenzylideneacetone Derivatives with Potential for Optical Frequency Conversion

Strong optical nonlinearities of self-assembled polymorphic microstructures of phenylethynyl functionalized fluorenones

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