DataVXAdvanced Optical MaterialsPaper
journal article·2025-01Open access

Multiphoton‐And SHG‐Active Pyrimidine‐Based Liquid Crystalline Thin Films Toward 3D Optical Data Storage

Prescillia Nicolas, Célia Minon, Stephania Abdallah, Dong Chen, Giorgia Rizzi, Yovan de Coene, Weizhen Liu, Olivier Jeannin, Thierry Verbiest, Koen Clays, Nathalie Bellec, Belkis Bilgin‐Eran, Huriye Akdas‐Kiliç, Jean‐Pierre Malval, Stijn Van Cleuvenbergen, Franck Camerel

Advanced Optical Materials· Volume 13· Issue 2
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Source abstract

Abstract

Abstract An original asymmetric achiral pyrimidine core molecule, with long carbon chains on one side and a coumarin fragment on the other, is designed. This advanced molecular structure enabled the spontaneous emergence of crystalline and liquid crystalline thin films with strong 2nd harmonic generation (SHG) without any corona polishing process or tedious deposition techniques. Moreover, pin‐pointed multiphoton absorption in the liquid crystalline phase effectively switches off the SHG signal locally and permanently, underlining its interest in 3D data storage. This prototypical material, which can be fully addressed by NLO processes, multiphoton writing, and SHG reading, paves the way for the development of efficient flexible materials for 3D optical data storage.
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Research context

Materials processing

OpenAlex topics: Nonlinear Optical Materials Studies · Liquid Crystal Research Advancements · Photochromic and Fluorescence Chemistry

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Prescillia Nicolas Célia Minon Olivier Jeannin Nathalie Bellec Huriye akdas Kiliç Franck Camerel Institut des Sciences Chimiques de Rennes CNRS UMR Université de Rennes Rennes 35042 France

Stéphanie Abdallah Jean‐Pierre Malval Institut de Science des Matériaux de Mulhouse CNRS‐UMR 7361 Université de Haute Alsace Mulhouse 68057 France

Dong Chen Giorgia Rizzi Yovan de Coene Weizhen Liu Thierry Vierbest Koen Clays Stjin Van Cleuvenbergen Department of Chemistry Katholieke Universiteit Leuven Leuven 3000 Belgium

Huriye Akdas‐Kiliç Belkis Bilgin‐Eran Department of Chemistry Yildiz Technical University Istanbul 34220 Turkey

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