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Dr. Jing Li
Ningbo University

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0 Textile Design
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Research article
Published: 27 February 2021 in Textile Research Journal
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Composite red luminescent material SMED/LCA (Sr2MgSi2O7:Eu2+,Dy3+/light conversion agent) is a phosphor with long afterglow, which was prepared by LCA and SMED at a certain mass ratio. It has excellent characteristics, such as high lightness and emitting red light, but poor stability properties because LCA falls off easily from the surface of SMED. Here, SiO2 (Al2O3 or MgF2) was coated on the surface of SMED/LCA through the heterogeneous deposition method to prepare a stable composite phosphor, adding coated phosphor into a polyacrylonitrile (PAN) fiber-forming polymer and wet spinning to form SMED/LCA-PAN (composite red light-emitting fiber). The surface element distribution, phase structure and luminescence properties of SMED/LCA-PAN were characterized. The results show that SiO2 (Al2O3 or MgF2) is successfully coated on the surface of the material, and the coating has no effect on the phase of SMED in the fibers. The intensity red/blue ratio (Int.600 nm versus Int.470 nm) of coated SMED/LCA fiber in the afterglow emission spectrum increases by about 1.9 times; the increase in energy conversion efficiency indicates the enhancement of the red light effect. In addition, the afterglow initial brightness is up to 0.148 cd/m2 after 15 min of ultraviolet light excitation, and the luminous fiber still has high afterglow brightness.

ACS Style

Liubin Zheng; Yanan Zhu; Zengyuan Pang; Jing Li; Wenying Chen; Mingqiao Ge. Preparation and characterization of new red luminescent fibers based on a multilayer structure. Textile Research Journal 2021, 1 .

AMA Style

Liubin Zheng, Yanan Zhu, Zengyuan Pang, Jing Li, Wenying Chen, Mingqiao Ge. Preparation and characterization of new red luminescent fibers based on a multilayer structure. Textile Research Journal. 2021; ():1.

Chicago/Turabian Style

Liubin Zheng; Yanan Zhu; Zengyuan Pang; Jing Li; Wenying Chen; Mingqiao Ge. 2021. "Preparation and characterization of new red luminescent fibers based on a multilayer structure." Textile Research Journal , no. : 1.

Journal article
Published: 29 January 2021 in Sustainability
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This study examines the extent to which existing foreign direct investment (FDI) theories apply to Chinese investment in the Belt and Road Initiative (BRI) countries. This is important because existing explanations of Chinese outward FDI (OFDI) generally make scant reference to these theories. By using OFDI data for BRI countries between 2003 and 2017, we tested hypothesizes applicable to existing theories by using both pooled ordinary least squares (PLOS) and stochastic frontier analysis (SFA) methods. The results show that a large part of the existing theories apply to Chinese OFDI. Chinese OFDI is likely to choose countries with big market size, abundant natural resources, cheap unskilled labor, stable politics, good infrastructure, high trade cost and high investment cost. These positive findings notwithstanding, they do not invalidate the alternative factors cited by commentators which have not been subject to direct testing, which may require the use of qualitative analytical approaches.

ACS Style

Le Chang; Jing Li; Kee-Cheok Cheong; Lim-Thye Goh. Can Existing Theories Explain China’s Outward Foreign Direct Investment in Belt and Road Countries. Sustainability 2021, 13, 1389 .

AMA Style

Le Chang, Jing Li, Kee-Cheok Cheong, Lim-Thye Goh. Can Existing Theories Explain China’s Outward Foreign Direct Investment in Belt and Road Countries. Sustainability. 2021; 13 (3):1389.

Chicago/Turabian Style

Le Chang; Jing Li; Kee-Cheok Cheong; Lim-Thye Goh. 2021. "Can Existing Theories Explain China’s Outward Foreign Direct Investment in Belt and Road Countries." Sustainability 13, no. 3: 1389.

Journal article
Published: 01 August 2020 in Materials Research Express
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ACS Style

Jing Li; Sisi Tang; Mingqiao Ge; Yanan Zhu; Yuan Yu. Preparation and photochromic properties of phosphomolybdic acid/rare earth strontium aluminate luminous fiber. Materials Research Express 2020, 7, 085501 .

AMA Style

Jing Li, Sisi Tang, Mingqiao Ge, Yanan Zhu, Yuan Yu. Preparation and photochromic properties of phosphomolybdic acid/rare earth strontium aluminate luminous fiber. Materials Research Express. 2020; 7 (8):085501.

Chicago/Turabian Style

Jing Li; Sisi Tang; Mingqiao Ge; Yanan Zhu; Yuan Yu. 2020. "Preparation and photochromic properties of phosphomolybdic acid/rare earth strontium aluminate luminous fiber." Materials Research Express 7, no. 8: 085501.