High Performance Side-Chain Polyquinolines and Perfluorocyclobutane-Containing Thermoset Polymers for Electro-Optic Applications

1999 ◽  
Vol 598 ◽  
Author(s):  
Hong Ma ◽  
Jianyao Wu ◽  
Petra Herguth ◽  
Baoquan Chen ◽  
Ajay Purohit ◽  
...  
Keyword(s):  
Nonlinear Optical ◽  
Cycloaddition Reaction ◽  
Second Order ◽  
Side Chain ◽  
Crosslinking Reaction ◽  
Modular Approach ◽  
Electro Optic ◽  
Wide Range ◽  
Thermoset Polymers ◽  
Nlo Chromophores

ABSTRACTA modular approach for making second-order nonlinear optical (NLO) side-chain aromatic polyquinolines has been developed. The synthesis provides a method for readily incorporating NLO chromophores into the pendent phenyl moieties of parent polyquinolines at the final stage via the Mitsunobu reaction. The method produces polyquinolines with a wide range of polymer backbones and offers great flexibility in the selection of NLO chromophores. These side-chain NLO polyquinolines demonstrate high electro-optic (E-O) activities (up to 35 pm/V at 830 nm and 22 pm/V at 1300 nm) and excellent tradeoffs among thermal, optical, and electrical properties.Most recently, a series of novel second-order NLO thermoset polymers containing silicon-perfluorocyclobutane (PFCB) has also been synthesized. This was accomplished via the crosslinking reaction between the di(trifluorovinylether)-containing NLO chromophores and the tris(trifluorovinylether) monomer in solid state at 180-250 °C. The radical-mediated, stepwise cycloaddition reaction offers great tolerance to very sensitive functional groups such as tricyanovinyl acceptor. A variety of NLO chromophores could be easily incorporated into these thermoset polymers compared to the modular approach. Preliminary results have indicated these polymers to possess excellent processability, low optical loss, and a combination of highly desirable thermal, nonlinear optical, and mechanical properties.

Synthesis and characterization of two novel second-order nonlinear optical chromophores based on julolidine donors with excellent electro-optic activity

RSC Advances ◽  
2016 ◽  
Vol 6 (102) ◽  
pp. 99743-99751 ◽  
Author(s):  
Hua Zhang ◽  
Fuyang Huo ◽  
Fenggang Liu ◽  
Zhuo Chen ◽  
Jialei Liu ◽  
...  
Keyword(s):  
Nonlinear Optical ◽  
Second Order ◽  
Synthesis And Characterization ◽  
Electro Optic ◽  
Nlo Chromophores ◽  
Nonlinear Optical Chromophores ◽  
Optical Chromophores

Second order NLO chromophores with julolidine donor.

Photorefractive Polymer with Side-Chain Second-Order Nonlinear Optical and Charge-Transporting Groups

1995 ◽  
Vol 7 (6) ◽  
pp. 1237-1242 ◽  
Author(s):  
Chanfeng Zhao ◽  
Chi-Kyun Park ◽  
Paras N. Prasad ◽  
Yue Zhang ◽  
Saswati Ghosal ◽  
...  
Keyword(s):  
Nonlinear Optical ◽  
Second Order ◽  
Side Chain ◽  
Photorefractive Polymer

scholarly journals A Molecular Architectural Approach to Second-Order Nonlinear Optical Materials

1995 ◽  
Vol 392 ◽  
Author(s):  
Xiaoguang Yang ◽  
Duncan McBranch ◽  
Basil Swanson ◽  
Dequan Li
Keyword(s):  
Nonlinear Optical ◽  
Second Harmonic ◽  
Fused Silica ◽  
Second Order ◽  
Nonlinear Susceptibility ◽  
Design And Synthesis ◽  
Fundamental Wavelength ◽  
Assembled Monolayers ◽  
Methylene Groups ◽  
Nlo Chromophores

AbstractThe design and synthesis of a family of calix[4]arene-based nonlinear optical (NLO) chromophores are discussed. The calixarene chromophores are macrocyclic compounds consisting of four simple D-π-A units bridged by methylene groups. These molecules were synthesized such that four D-π-A units of the calix[4]arene were aligned along the same direction with the calixarene in a cone conformation. These nonlinear optical super-chromophores were subsequently fabricated into covalently bound self-assembled monolayers on the surfaces of fused silica and silicon. Spectroscopic second harmonic generation (SHG) measurements were carried out to determine the absolute value of the dominant element of the second-order nonlinear susceptibility, d33, and the average molecular alignment, ψ. We find a value of d33 = 60 pm/V at a fundamental wavelength of 890 nm, and ψ˜ 36° with respect to the surface normal.

Side-chain maleimide based electro-optic polymer for second-order nonlinear optics

2006 ◽  
Vol 2 (6) ◽  
pp. 443-444 ◽  
Author(s):  
Jian-xun Hong ◽  
Jian-ping Chen ◽  
Xin-wan Li ◽  
Wei Chen ◽  
Tao Xie
Keyword(s):  
Nonlinear Optics ◽  
Second Order ◽  
Side Chain ◽  
Electro Optic

scholarly journals Triphenylamine-based allylidenemalononitrile chromophores: synthesis, and photophysical and second-order nonlinear optical properties

2018 ◽  
Vol 42 (18) ◽  
pp. 15052-15060 ◽  
Author(s):  
Emine Çatal ◽  
Ergin Keleş ◽  
Nurgül Seferoğlu ◽  
Sylvain Achelle ◽  
Alberto Barsella ◽  
...  
Keyword(s):  
Optical Properties ◽  
Nonlinear Optical ◽  
Second Order ◽  
Nonlinear Optical Properties ◽  
Nlo Chromophores

A series of NLO chromophores based on a mono-, di- or tri-substituted triphenylamine core and allylidenemalononitrile fragments has been designed.

Polyquinolines: Multifunctional Polymers for Electro-Optic and Light-Emitting Applications

1999 ◽  
Vol 558 ◽  
Author(s):  
Alex K.-Y. Jen ◽  
Hong Ma
Keyword(s):  
Electrical Characterization ◽  
Bright Light ◽  
Side Chain ◽  
Light Emitting ◽  
Electro Optic ◽  
Film Forming ◽  
Hole Transporting ◽  
Broad Variation ◽  
Nlo Chromophores ◽  
Multifunctional Polymers

ABSTRACTA versatile, and generally applicable modular approach for making second-order nonlinear optical (NLO) side-chain aromatic polyquinolines has been developed. This approach emphasizes the ease of incorporating NLO chromophores onto the pendent phenyl moieties of parent polyquinolines at the final stage via mild Mitsunobu reaction. This method provides the synthesis of polyquinolines with a broad variation of the polymer backbones and great flexibility in the selection of NLO chromophores. These side-chain NLO polyquinolines demonstrate high electro-optic (E-O) activity (up to 35 pm/V at 830 nm and 22 pm/V at 1300 nm, respectively) and a good combination of thermal, optical, electrical and mechanical properties.Comparatively, two new electroluminescent (EL) polyquinolines have been prepared via the Friedlander condensation and nucleophilic reaction. The resulting polymers contain a bipolar property with both an efficient hole-transporting moiety, tetraphenyldiaminobiphenyl (TPD), and an electron affinitive light-emitting moiety, bis-quinoline. In addition, they possess high thermal stability, excellent electrochemical reversibility, good thin film-forming ability, and bright light-emitting property. Electrical characterization of two-layer diode devices based on the configurations of ITO/CuPc/TPD-PQ or TPD-PQE/Al showed excellent electroluminescence performance (a rectification ratio greater than 105 and a low turn-on voltage of less than 4 V).

Janus molecules: large second-order nonlinear optical performance, good temporal stability, excellent thermal stability and spherical structure with optimized dendrimer structure

2018 ◽  
Vol 2 (7) ◽  
pp. 1374-1382 ◽  
Author(s):  
Pengyu Chen ◽  
Huanyu Zhang ◽  
Mengmeng Han ◽  
Ziyao Cheng ◽  
Qian Peng ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Nonlinear Optical ◽  
Temporal Stability ◽  
Second Order ◽  
Optical Performance ◽  
Excellent Thermal Stability ◽  
Good Thermal Stability ◽  
Spherical Structure ◽  
Electro Optic

A Janus molecule J2 containing five FTC moieties exhibited good thermal stability, excellent electro-optic performance and good temporal stability.

scholarly journals 5-Arylazo-2,2´-Bithiophenes: A Novel Promising Series of NLO Chromophores

2008 ◽  
Vol 587-588 ◽  
pp. 268-272 ◽  
Author(s):  
M. Manuela M. Raposo ◽  
Ana M. Ferreira ◽  
Michael Belsley ◽  
E. de Matos Gomes ◽  
J.C.V.P. Moura
Keyword(s):  
Optical Properties ◽  
Nonlinear Optical ◽  
Second Order ◽  
Nonlinear Optical Properties ◽  
Solvatochromic Probes ◽  
Nlo Materials ◽  
Donor Acceptor ◽  
Uv Visible ◽  
Nlo Chromophores

The synthesis of 5-arylazo- substituted bithiophenes and their UV-visible, solvatochromic and nonlinear optical properties (NLO) are described. In agreement with the solvatochromic data and also with the second-order molecular NLO characterization, the new donor-acceptor systems could find application as suitable solvatochromic probes and also as new NLO materials.

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