The search for a maximum of the D-π-A paradigm for second order nonlinear optical molecular materials

Article Chemistry, Multidisciplinary

Redox-Active Heteroatom-Functionalized Polyacetylenes

Bruno T. Luppi et al.

Summary: The study successfully prepared functionalized polyacetylenes through a groundbreaking ring-opening metathesis polymerization method, which exhibit good solubility, optical properties, and excellent air stability.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Review Engineering, Chemical

Organic Electro-Optics and Optical Rectification: From Mesoscale to Nanoscale Hybrid Devices and Chip-Scale Integration of Electronics and Photonics

Delwin L. Elder et al.

Summary: The performance of electro-optic devices based on organic second order NLO materials has been significantly improved through theory-guided improvement and device compression techniques, leading to record-breaking performance in terms of voltage-length performance, energy consumption, bandwidth, and device size.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2022)

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Article Nanoscience & Nanotechnology

Tuning azulene defects and doping of N atoms in graphene nanosheets: Improving nonlinear optical properties of carbon-based nano materials

Xue-Lian Zheng et al.

Summary: Recent successful syntheses of azulene-defect graphene nanosheets have paved a path for potential applications in nonlinear optics, with different azulene-defect graphene nanosheets designed for improved performance in optoelectronics and nonlinear optics. The two-dimensional second order NLO spectra of these materials provide crucial information for further experimental exploration and applications, while the introduction of polar azulene and doping of nitrogen atoms offer practical strategies and useful information for future NLO materials design.

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES (2022)

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Article Chemistry, Multidisciplinary

Design and synthesis of chromophores with enhanced electro-optic activities in both bulk and plasmonic-organic hybrid devices

Huajun Xu et al.

Summary: This study demonstrates the enhancement of in-device electro-optic activity by utilizing theory-inspired organic electro-optic chromophores, showing significant improvement in optical properties and electro-optic coefficients compared to current state-of-the-art chromophores. The results suggest potential for practical applications in advanced electro-optic devices.

MATERIALS HORIZONS (2022)

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Article Chemistry, Physical

High performance nonlinear optical materials with simple aromatic hydrocarbons

Cui-Cui Yang et al.

Summary: Designing optical and nonlinear optical (NLO) functional materials with high-performance and high stability is crucial in the field of nonlinear optics. In this study, a new protocol is proposed to design such materials by manipulating the interactions among functional moieties. The pi-conjugation across benzene, naphthalene, and azulene, as well as the electronic structure retention of functional moieties, result in large second order NLO responses in azulene-based molecules. These molecules show strong NLO responses under external fields and hold promise as optoelectronic functional materials in the visible and near-infrared regions. The protocol used here can be extended to design other optico-electronic functional materials.

FLATCHEM (2022)

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Article Chemistry, Physical

Strong second order nonlinear optical properties of azulene-based porphyrin derivatives

Cui-Cui Yang et al.

Summary: Porphyrin derivatives are promising third order nonlinear optical materials due to their high stability, feasible modification, and good pi-conjugation. Introducing azulene in these porphyrin systems significantly enhances their second order nonlinear optical properties. The addition of metals further increases the nonlinear optical response, making these azulene-fused porphyrins potential candidates for biological nonlinear optics.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2022)

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Article Chemistry, Multidisciplinary

A perylene five-membered ring diimide for organic semiconductors and π-expanded conjugated molecules

Liangliang Chen et al.

Summary: In this study, a new electron-deficient building block PDI39 was developed and used to synthesize pi-expanded conjugated molecules containing azulenes, which exhibit helical geometry and near-infrared absorption up to 810 nm.

CHEMICAL COMMUNICATIONS (2022)

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Article Chemistry, Multidisciplinary

Effective Enhancement of the Second-Order Nonlinear Optical Responses of Graphynes by Introducing π-Conjugated Chains with Donor/Acceptor Groups

Na Hou et al.

Summary: By using density functional theory calculations, the study analyzed the second-order nonlinear optical properties of modified graphynes. It was found that increasing the length of the modification chain enhances the static first hyperpolarizability, and NO2 modification leads to higher beta(0) values. Furthermore, the co-modified systems exhibit better NLO responses compared to single-modified systems.

CHEMISTRYSELECT (2021)

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Article Chemistry, Multidisciplinary

Electro-Optic Activity in Excess of 1000 pm V-1 Achieved via Theory-Guided Organic Chromophore Design

Huajun Xu et al.

Summary: High-performance organic electro-optic (OEO) materials with ultra-high electro-optic coefficients exceeding 1000 pm V-1 have been developed by theory-guided design. The exemplar chromophore BAY1 shows a nearly linear increase in electro-optic response and poling efficiency with increasing concentration in polymer host. By using a high-epsilon charge blocking layer, record-high electro-optic response and poling efficiency at 1310 nm have been achieved, surpassing thin-film barium titanate.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

[Ag(NH3)2]2SO4: A Strategy for the Coordination of Cationic Moieties to Design Nonlinear Optical Materials**

Yi-Chang Yang et al.

Summary: This study reports a strategy to enhance the optical properties of nonlinear optical materials by coordinating cationic moieties, which shows that certain crystal structures can exhibit significant birefringence and generate anisotropic responses to the oscillation of incident light.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Materials Science, Multidisciplinary

Tuning the aggregation behaviour of BN-coronene diimides with imide substituents and their performance in devices (OLEDs and OFETs)

Jonas Hoffmann et al.

Summary: By extending the core with two BN units instead of two CC units, significant bathochromic shifts, higher molar extinction coefficients, and beneficial luminescence properties can be achieved. However, different substitution motifs at the imide position have a substantial impact on aggregation of coronene diimides, resulting in differences in optical properties in the solid state and performance in organic devices.

JOURNAL OF MATERIALS CHEMISTRY C (2021)

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Article Materials Science, Multidisciplinary

Bis(4-dialkylaminophenyl)heteroarylamino donor chromophores exhibiting exceptional hyperpolarizabilities

Huajun Xu et al.

Summary: Incorporating organic EO materials into silicon-organic hybrid and plasmonic-organic hybrid devices has achieved new records in EO modulation performance. The newly engineered nonlinear optical chromophores with enhanced molecular hyperpolarizabilities showed significantly improved EO coefficients and poling efficiencies compared to state-of-the-art chromophores. Further enhancement in chromophore hyperpolarizability without sacrificing optical loss or stability seems feasible.

JOURNAL OF MATERIALS CHEMISTRY C (2021)

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Article Chemistry, Physical

Controllable Photophysical and Nonlinear Properties in Conformation Isomerization of Macrocyclic [32]Octaphyrin(1.0.1.0.1.0.1.0) Involving Huckel and Mobius Topologies

Zeyu Liu et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2020)

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Review Chemistry, Inorganic & Nuclear

A trip in the nonlinear optical properties of iridium complexes

Alessia Colombo et al.

COORDINATION CHEMISTRY REVIEWS (2020)

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Article Nanoscience & Nanotechnology

Nonlinear nanophotonic devices in the ultraviolet to visible wavelength range

Jinghan He et al.

NANOPHOTONICS (2020)

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Article Chemistry, Multidisciplinary

Carbon Dots Based Nanoscale Covalent Organic Frameworks for Photodynamic Therapy

Shuang Chen et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Physical

Straight Z and twisted E isomers from triphenylamine derivatives: Intramolecular charge transfer and second-order nonlinear optical response

Feng-Wei Gao et al.

JOURNAL OF MOLECULAR LIQUIDS (2020)

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Review Optics

Hybrid/Integrated Silicon Photonics Based on 2D Materials in Optical Communication Nanosystems

Jie You et al.

LASER & PHOTONICS REVIEWS (2020)

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Article Materials Science, Multidisciplinary

Carbon based Y-type molecules for application in nonlinear optics

Cui-Cui Yang et al.

JOURNAL OF MATERIALS CHEMISTRY C (2020)

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Article Nanoscience & Nanotechnology

Influences of Structural Modification of S,N-Hexacenes on the Morphology and OFET Characteristics

Yi-Fan Huang et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Chemistry, Multidisciplinary

Pump-Push-Probe for Ultrafast All-Optical Switching: The Case of a Nanographene Molecule

Giuseppe M. Paterno et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Physical

Development of ultrafast broadband electronic sum frequency generation for charge dynamics at surfaces and interfaces

Gang-Hua Deng et al.

JOURNAL OF CHEMICAL PHYSICS (2019)

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Article Chemistry, Multidisciplinary

Incorporation of 2,6-Connected Azulene Units into the Backbone of Conjugated Polymers: Towards High-Performance Organic Optoelectronic Materials

Hanshen Xin et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

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Article Chemistry, Multidisciplinary

6,6 '-Diaryl-substituted biazulene diimides for solution-processable high-performance n-type organic semiconductors

Hanshen Xin et al.

MATERIALS CHEMISTRY FRONTIERS (2018)

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Article Chemistry, Physical

Two-dimensional second-order nonlinear optical spectra: landscape of second-order nonlinear optics

Jiu Chen et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2017)

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Article Chemistry, Multidisciplinary

Terazulene Isomers: Polarity Change of OFETs through Molecular Orbital Distribution Contrast

Yuji Yamaguchi et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2016)

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Article Chemistry, Physical

Development of Electronic Sum Frequency Generation Spectroscopies and Their Application to Liquid Interfaces

Shoichi Yamaguchi et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2015)

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Article Chemistry, Multidisciplinary

Hole-Transporting Materials with a Two-Dimensionally Expanded π-System around an Azulene Core for Efficient Perovskite Solar Cells

Hidetaka Nishimura et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

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Article Chemistry, Multidisciplinary

Modulating the Properties of Azulene-Containing Polymers through Controlled Incorporation of Regioisomers

Kazuhiko Tsurui et al.

ADVANCED FUNCTIONAL MATERIALS (2014)

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Review Chemistry, Multidisciplinary

The calculations of excited-state properties with Time-Dependent Density Functional Theory

Carlo Adamo et al.

CHEMICAL SOCIETY REVIEWS (2013)

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Review Chemistry, Physical

Progress in Time-Dependent Density-Functional Theory

M. E. Casida et al.

ANNUAL REVIEW OF PHYSICAL CHEMISTRY, VOL 63 (2012)

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Article Chemistry, Multidisciplinary

Modeling nonlinear optics of nanosystems with sum-over-states model

Wei Quan Tian

JOURNAL OF COMPUTATIONAL CHEMISTRY (2012)

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Article Chemistry, Multidisciplinary

Multiwfn: A multifunctional wavefunction analyzer

Tian Lu et al.

JOURNAL OF COMPUTATIONAL CHEMISTRY (2012)

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Article Chemistry, Multidisciplinary

Stimuli-Responsive Azulene-Based Conjugated Oligomers with Polyaniline-like Properties

Elizabeth Amir et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2011)

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Review Chemistry, Multidisciplinary

Electric Field Poled Organic Electro-optic Materials: State of the Art and Future Prospects

Larry R. Dalton et al.

CHEMICAL REVIEWS (2010)

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Article Chemistry, Multidisciplinary

Rational enhancement of second-order nonlinearity:: Bis-(4-methoxyphenyl)hetero-aryl-amino donor-based chromophores:: Design, synthesis, and electrooptic activity

Joshua A. Davies et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2008)

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Article Chemistry, Physical

Hyperpolarizability density analysis of the enhancement of second hyperpolarizability of π-conjugated oligomers by intermolecular interaction

M Nakano et al.

INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY (2005)

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Article Chemistry, Organic

Thermally stable triaryl amino chromophores with high molecular hyperpolarizabilities

BK Spraul et al.

TETRAHEDRON LETTERS (2004)

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Article Chemistry, Physical

A new hybrid exchange-correlation functional using the Coulomb-attenuating method (CAM-B3LYP)

T Yanai et al.

CHEMICAL PHYSICS LETTERS (2004)

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Article Chemistry, Multidisciplinary

Highly substituted azulene dyes as multifunctional NLO and electron-transfer compounds

C Lambert et al.

CHEMISTRY-A EUROPEAN JOURNAL (2003)

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The search for a maximum of the D-π-A paradigm for second order nonlinear optical molecular materials

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