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Related Experiment Video

Updated: May 16, 2026

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals

Published on: April 14, 2020

Dual-Modulating Third-Order Nonlinear Optics of Metal-Organic Clusters via Lanthanide Contraction and Photoaddition.

Jianchuan Luo¹, Li-Mei Chang¹, Zhi-Gang Gu^1,2

¹State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.

Journal of the American Chemical Society

|May 15, 2026

Summary

Researchers developed a dual-modulation strategy to precisely control nonlinear optical (NLO) properties in lanthanide-organic clusters. This approach enhances optical limiting performance through lanthanide contraction and ligand photoaddition for advanced photonic applications.

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Published on: April 28, 2023

Area of Science:

Materials Science
Optics
Chemistry

Background:

Precise control of third-order nonlinear optical (NLO) properties in lanthanide-organic clusters is crucial for advanced photonic materials.
Existing methods face challenges in atomic-level modulation of NLO responses.

Purpose of the Study:

To demonstrate a dual-modulation strategy for tailoring NLO properties in lanthanide-organic clusters.
To investigate the effects of lanthanide contraction and ligand photoaddition on NLO behavior.

Main Methods:

Synthesis of a series of lanthanide-organic clusters (CAS-7, CAS-8, CAS-9) using a photosensitive 9-anthracenecarboxylic acid ligand.
Characterization of NLO properties using Z-scan measurements.
Photopolymerization of CAS-7 using 365 nm light to form CAS-7(UV).

Main Results:

The synthesized clusters exhibit reverse saturable absorption (RSA) and strong optical limiting performance.
Optical limiting performance decreases with increasing lanthanide atomic number from CAS-7 to CAS-9.
Photopolymerization of CAS-7 to CAS-7(UV) significantly enhances NLO properties.

Conclusions:

A versatile dual-modulating approach combining lanthanide contraction and ligand photoaddition enables precise manipulation of NLO behavior.
The findings open new pathways for developing advanced nonlinear photonic materials and technologies.