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dc.titleGiant anisotropic photonics in the 1D van der Waals semiconductor fibrous red phosphorus
dc.contributor.authorDu, Luojun
dc.contributor.authorZhao, Yanchong
dc.contributor.authorWu, Linlu
dc.contributor.authorHu, Xuerong
dc.contributor.authorYao, Lide
dc.contributor.authorWang, Yadong
dc.contributor.authorBai, Xueyin
dc.contributor.authorDai, Yunyun
dc.contributor.authorQiao, Jingsi
dc.contributor.authorUddin, Md Gius
dc.contributor.authorLi, Xiaomei
dc.contributor.authorLahtinen, Jouko
dc.contributor.authorBai, Xuedong
dc.contributor.authorZhang, Guangyu
dc.contributor.authorJi, Wei
dc.contributor.authorSun, Zhipei
dc.identifier.citationDu, 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.
dc.description.abstractA 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).
dc.publisherNature Research
dc.rightsAttribution 4.0 International
dc.sourceScopus OA2021
dc.contributor.departmentCENTRE FOR ADVANCED 2D MATERIALS
dc.description.sourcetitleNature Communications
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