Enhanced Nonlinear Optical Absorption in Fused-Ring Aromatic Donor-Acceptor-Donor Core Units of Y6 Derivatives.

Xingyuan Wen, Tianyang Dong, Xingzhi Wu, Jiabei Xu, Xiaofeng Shi, Yinglin Song, Chunru Wang, Li Jiang

Abstract read

In one paragraph

Article in Molecules (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

8 authors.

Xingyuan WenSchool of Environment and Safety Engineering, North University of China, Taiyuan 030051, China.

Tianyang DongBeijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.

Xingzhi WuSchool of Physical Science and Technology, Suzhou University of Science and Technology, Suzhou 215009, China.

Jiabei XuSchool of Physical Science and Technology, Soochow University, Suzhou 215123, China.

Xiaofeng ShiSchool of Environment and Safety Engineering, North University of China, Taiyuan 030051, China.

Yinglin SongSchool of Physical Science and Technology, Soochow University, Suzhou 215123, China.

Chunru WangBeijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.ORCID 0000-0001-7984-6639

Li JiangBeijing National Laboratory for Molecular Sciences, Key Laboratory of Molecular Nanostructure and Nanotechnology, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.ORCID 0000-0002-6480-1697

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This fundamental understanding of molecular structure-NLO property relationships provides critical design principles for next-generation optical limiting materials, quantum photonic devices, and ultrafast nonlinear optical switches, addressing the growing demand for high-performance organic optoelectronic materials in laser protection and photonic computing applications. In this study, it was observed that selenophene-incorporated fused D-A-D architectures exhibit a remarkable enhancement in two-photon absorption characteristics. By strategically modifying the heteroatomic composition of the Y6-derived fused-ring core, replacing thiophene (BDS) with selenophene (BDSe), the optimized system achieves unprecedented NLO performance. BDSe displays a nonlinear absorption coefficient (

Indexed as

nonlinear optical absorptionY6-derived fused-ring core unitsZ-scan

Identifiers

PMID40649266

DOI10.3390/molecules30132748

PMCPMC12251174

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