Polarization conversion in bottom-up grown quasi-1D fibrous red phosphorus flakes

Fibrous red phosphorus (RP) has triggered growing attention as an emerging quasi-one-dimensional (quasi-1D) van der Waals crystal recently. Unfortunately, it is difficult to achieve substrate growth of high-quality fibrous RP flakes due to their inherent quasi-1D structure, which impedes their funda...

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Bibliographic Details
Published in:Nature communications 2023-07, Vol.14 (1), p.4398-4398, Article 4398
Main Authors: Sun, Zhaojian, Chen, Wujia, Zhang, Bowen, Gao, Lei, Tao, Kezheng, Li, Qiang, Sun, Jia-Lin, Yan, Qingfeng
Format: Article
Language:English
Subjects:
140/133
140/146
140/58
147/135
147/143
639/301/357
639/638/298
Anisotropy
Conversion
Flakes
Humanities and Social Sciences
multidisciplinary
Optical properties
Partial pressure
Phosphorus
Polarization
Preferred orientation
Retarders
Science
Science (multidisciplinary)
Substrates
Synergistic effect
Tin
Vapors
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Summary:Fibrous red phosphorus (RP) has triggered growing attention as an emerging quasi-one-dimensional (quasi-1D) van der Waals crystal recently. Unfortunately, it is difficult to achieve substrate growth of high-quality fibrous RP flakes due to their inherent quasi-1D structure, which impedes their fundamental property exploration and device integration. Herein, we demonstrate a bottom-up approach for the growth of fibrous RP flakes with (001)-preferred orientation via a chemical vapor transport (CVT) reaction in the P/Sn/I 2 system. The formation of fibrous RP flakes can be attributed to the synergistic effect of Sn-mediated P 4 partial pressure and the SnI 2 capping layer-directed growth. Moreover, we investigate the optical anisotropy of the as-grown flakes, demonstrating their potential application as micro phase retarders in polarization conversion. Our developed bottom-up approach lays the foundation for studying the anisotropy and device integration of fibrous red phosphorus, opening up possibilities for the two-dimensional growth of quasi-1D van der Waals materials. Fibrous red phosphorus (RP) has recently attracted attention due to its quasi-1D van der Waals structure and anisotropic optical properties. Here, the authors report the bottom-up growth of RP flakes via a chemical vapor transport method and their application as micro phase retarders in polarization conversion.
ISSN:2041-1723
2041-1723
DOI:10.1038/s41467-023-40122-2