Experimental demonstration of weak chirality enhancement by hybrid perovskite nanocrystals using photonic spin Hall effect
Author:
Lai Zheng1, Lin Shuai1, Shi Youzhi1, Li Maoxin1, Liu Guangyou1, Tian Bingbing1, Chen Yu1ORCID, Zhou Xinxing2ORCID
Affiliation:
1. International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology , Institute of Microscale Optoelectronics, Shenzhen University , 518060 , Shenzhen , P. R. China 2. Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Synergetic Innovation Center for Quantum Effects and Applications, School of Physics and Electronics , Hunan Normal University , 410081 , Changsha , P. R. China
Abstract
Abstract
Chiral perovskites have attracted considerable attention as excellent spin-emitting materials for applications in spintronics, quantum optics, and biological. Especially in drug development of biological, weak chirality molecules are frequently selected to reduce the side effects of toxics, and there is a common defect for accurately detecting the weak chirality with common methods at room temperature. In this study, formamidine lead bromide perovskite nanocrystals (FAPbBr3 NCs) were coated with chiral ligands, whose chirality was too weak to be observed in the visible region at room temperature. Thus, by characterizing the transverse shift of photonic spin Hall effect (SHE), the accurate discrimination of weak chirality in the visible region was achieved successfully. By measuring the shift value and light spot splitting of photonic SHE at the same concentration, NEA-coated FAPbBr3 NCs can effectively enhance the chirality of naphthalene ethylamine (NEA) ligands when under the mutually reinforcement of chiral molecular and inorganic parts. In addition, we furtherly clearly distinguished the tiny chiral distinction of NEA-coated FAPbBr3 NCs with different particle sizes, which revealed that the chirality decreases with the increase of particle size. These findings could provide effective solutions for the detection and application of weak chirality in hybrid perovskite nanocrystals in universal environment.
Publisher
Walter de Gruyter GmbH
Subject
Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials,Biotechnology
Reference47 articles.
1. G. Longhi, E. Castiglioni, J. Koshoubu, G. Mazzeo, and S. Abbate, “Circularly polarized luminescence: a review of experimental and theoretical aspects,” Chirality, vol. 28, no. 10, pp. 696–707, 2016. https://doi.org/10.1002/chir.22647. 2. G. K. Long, R. Sabatini, M. I. Saidaminov, et al.., “Chiral-perovskite optoelectronics,” Nat. Rev. Mater., vol. 5, no. 6, pp. 423–439, 2020. https://doi.org/10.1038/s41578-020-0181-5. 3. J. Q. Ma, H. Z. Wang, and D. H. Li, “Recent progress of chiral perovskites: materials, synthesis, and properties,” Adv. Mater., vol. 33, no. 26, p. 22, 2021. https://doi.org/10.1002/adma.202008785. 4. S. Ma, J. Ahn, and J. Moon, “Chiral perovskites for next-generation photonics: from chirality transfer to chiroptical activity,” Adv. Mater., vol. 33, no. 47, pp. 200576001–200576019, 2021. https://doi.org/10.1002/adma.202005760. 5. A. J. Hutt and S. C. Tan, “Drug chirality and its clinical significance,” Drugs, vol. 52, pp. 1–12, 1996. https://doi.org/10.2165/00003495-199600525-00003.
Cited by
9 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献
|
|