Please use this identifier to cite or link to this item: https://doi.org/10.1038/s41467-021-25104-6
Title: Giant anisotropic photonics in the 1D van der Waals semiconductor fibrous red phosphorus
Authors: Du, Luojun
Zhao, Yanchong
Wu, Linlu
Hu, Xuerong
Yao, Lide
Wang, Yadong
Bai, Xueyin
Dai, Yunyun
Qiao, Jingsi 
Uddin, Md Gius
Li, Xiaomei
Lahtinen, Jouko
Bai, Xuedong
Zhang, Guangyu
Ji, Wei
Sun, Zhipei
Issue Date: 10-Aug-2021
Publisher: Nature Research
Citation: Du, Luojun, Zhao, Yanchong, Wu, Linlu, Hu, Xuerong, Yao, Lide, Wang, Yadong, Bai, Xueyin, Dai, Yunyun, Qiao, Jingsi, Uddin, Md Gius, Li, Xiaomei, Lahtinen, Jouko, Bai, Xuedong, Zhang, Guangyu, Ji, Wei, Sun, Zhipei (2021-08-10). Giant anisotropic photonics in the 1D van der Waals semiconductor fibrous red phosphorus. Nature Communications 12 (1) : 4822. ScholarBank@NUS Repository. https://doi.org/10.1038/s41467-021-25104-6
Rights: Attribution 4.0 International
Abstract: A confined electronic system can host a wide variety of fascinating electronic, magnetic, valleytronic and photonic phenomena due to its reduced symmetry and quantum confinement effect. For the recently emerging one-dimensional van der Waals (1D vdW) materials with electrons confined in 1D sub-units, an enormous variety of intriguing physical properties and functionalities can be expected. Here, we demonstrate the coexistence of giant linear/nonlinear optical anisotropy and high emission yield in fibrous red phosphorus (FRP), an exotic 1D vdW semiconductor with quasi-flat bands and a sizeable bandgap in the visible spectral range. The degree of photoluminescence (third-order nonlinear) anisotropy can reach 90% (86%), comparable to the best performance achieved so far. Meanwhile, the photoluminescence (third-harmonic generation) intensity in 1D vdW FRP is strong, with quantum efficiency (third-order susceptibility) four (three) times larger than that in the most well-known 2D vdW materials (e.g., MoS2). The concurrent realization of large linear/nonlinear optical anisotropy and emission intensity in 1D vdW FRP paves the way towards transforming the landscape of technological innovations in photonics and optoelectronics. © 2021, The Author(s).
Source Title: Nature Communications
URI: https://scholarbank.nus.edu.sg/handle/10635/232308
ISSN: 2041-1723
DOI: 10.1038/s41467-021-25104-6
Rights: Attribution 4.0 International
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