4.2 Article

Synthesis of pyrene-based materials with third-order nonlinearity optical property by click chemistry modification

Journal

PIGMENT & RESIN TECHNOLOGY
Volume 52, Issue 1, Pages 1-6

Publisher

EMERALD GROUP PUBLISHING LTD
DOI: 10.1108/PRT-03-2021-0029

Keywords

[2+2] Click reactions; Phenyl-tribromopyren-l-ylmethanone; Phenylpyren-l-yl-methanone; Pyrene-based materials; Third-order nonlinearity optical property

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In this study, four new pyrene derivatives with good third-order nonlinear optical (NLO) properties were synthesized using a click chemical method. The derivatives were characterized and tested, showing promising third-order NLO performance.
Purpose Currently, conjugated nonlinear optical (NLO) materials suffer from the drawbacks of complex manufacturing process and high cost. To further study the NLO materials with cost-effective, it is necessary to prepare new NLO materials with satisfactory performance. Design/methodology/approach Pyrene derivatives with good third-order NLO properties were synthesized by combining pyrene compounds with TCNE, TCNQ, F4-TCNQ and other molecular systems by clicking chemical method. Findings The pyrene derivatives were characterized by ultraviolet spectrum and Z-scan. The charge-transfer of the D-p-A structures plays a key role in the absorption peak shifts. And the third-order nonlinear absorption of the products revealed good third-order NLO susceptibilities. Research limitations/implications The synthesis technology of pyrene derivatives is not mature enough and is in the preliminary exploration stage. So, the authors produced a relatively small number of samples and did not conduct a very comprehensive test. Practical implications This novel pyrene derivative is suggestive and can promote the exploration and development of the third-order nonlinear materials. Originality/value Four new pyrene derivatives were synthesized by selecting new molecular systems. Because of its good chemical properties and stable properties, it can be a reference for the development of third-order nonlinear materials in the future.

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