首页|Circularly polarized light emission and detection by chiral inorganic semiconductors

Circularly polarized light emission and detection by chiral inorganic semiconductors

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Chiral inorganic semiconductors with high dissymmetric factor are highly desirable,but it is generally difficult to induce chiral structure in inorganic semiconductors because of their structure rigidity and symmetry.In this study,we introduced chiral ZnO film as hard template to transfer chirality to CsPbBr3 film and PbS quantum dots(QDs)for circularly polarized light(CPL)emission and detection,respectively.The prepared CsPbBr3/ZnO thin film exhibited CPL emission at 520 nm and the PbS QDs/ZnO film realized CPL detection at 780 nm,featuring high dissymmetric factor up to around 0.4.The electron transition based mechanism is responsible for chirality transfer.

High dissymmetric factorCircularly polarized light emissionSemiconductorHard templateChirality

Zha Li、Wancai Li、Dehui Li、Wei Tang、Huageng Liang、Huaibing Song、Chao Chen、Liang Gao、Jiang Tang

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Wuhan National Laboratory for Optoelectronics,Huazhong University of Science and Technology,Wuhan 430074,China

School of Optical and Electronic Information,Huazhong University of Science and Technology,Wuhan,430074,China

International Health Care Center,National Center for Global Health and Medicine,Tokyo 162-8655,Japan

Hepato-Biliary-Pancreatic Surgery Division,Department of Surgery,The University of Tokyo Hospital,Tokyo 113-8655,Japan

Department of Urology,Union Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430074,China

Faculty of Materials Science and Chemistry,China University of Geosciences,Wuhan 430074,China

School of Optical and Electronic Information,Huazhong University of Science and Technology,Wuhan 430074,China

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National Natural Science Foundation of ChinaNational Key R&D Program of ChinaNational Postdoctoral Program for Innovative Talent

619040652016YFB070700702BX20190127

2024

10.1007/s12200-024-00120-8

光电子前沿(英文版)

光电子前沿(英文版)

CSTPCDEI
影响因子：0.049
ISSN：2095-2759
年,卷(期)：2024.17(2)