Citation: Gengyuan Li, Yexin Wang, Song Gao, Shangda Jiang. Advances in Light-Induced Spin Polarization of Magnetic Molecules[J]. University Chemistry, ;2025, 40(12): 87-94. doi: 10.12461/PKU.DXHX202509112 shu

Advances in Light-Induced Spin Polarization of Magnetic Molecules

Gengyuan Li ¹ ,
Yexin Wang ^2,, ,
Song Gao ^3,1,4 ,
Shangda Jiang ^1,2,,

1.
Spin-X Institute, School of Chemistry and Chemical Engineering, State Key Laboratory of Luminescent Materials and Devices, Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials, Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, South China University of Technology, Guangzhou 511442, China;
2.
Quantum Science Center of Guangdong-Hong Kong-Macao Greater Bay Area, Shenzhen 518045, Guangdong Province, China;
3.
Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Lehn Institute of Functional Materials, Institute of Green Chemistry and Molecular Engineering, Guangdong Basic Research Center of Excellence for Functional Molecular Engineering, Sun Yat-Sen University, Guangzhou 510275, China;
4.
College of Chemistry and Molecular Engineering, Beijing National Laboratory of Molecular Science, Peking University, Beijing 100871, China

Corresponding author: Yexin Wang, Shangda Jiang,
Received Date: 24 September 2025
Revised Date: 3 November 2025

Achieving high-efficiency spin polarization in magnetic materials is fundamental to quantum information technology. Conventional methods based on the Boltzmann distribution principle have low polarization efficiency and require harsh experimental conditions. This limits their practical application. However, certain systems exhibit spin-selective electron transitions during photochemical and photophysical processes. When combined with optical pumping techniques, these light-driven approaches enable highly efficient spin polarization under relatively mild conditions. This article introduces two types of light-induced spin polarization mechanisms and their representative magnetic molecular systems based on recent research progress.
- Spin polarization,
- Magnetic molecules,
- Light-induced,
- Spin selectivity
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