Characterization and properties of a Sr_2Si_5N_8:Eu~(2+)-based light-conversion agricultural film |
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| Affiliation: | 1. College of Engineering, South China Agricultural University, Guangzhou 510642, China;2. Guangdong Laboratory of Lingnan Mordern Agriculture, Guangzhou 510642, China;3. College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China;4. Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, Guangzhou 510642, China;1. Department of Physics & Astronomy, Science College, King Saud University; Riyadh, Saudi Arabia;2. Department of Physics, College of Science, Princess Nora Bint Abdulrahman University, Riyadh, Saudi Arabia;3. Department of Physics, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, Saudi Arabia;1. CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China;2. Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials, Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen, Fujian 361021, China;1. Bridgestone Corporation, 1,Kashio-Cho, Totsuka-Ku, Yokohama 244-8510, Japan;2. Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo 060-8628, Japan |
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| Abstract: | In this paper,the fracture surfaces of a light-conversion film were observed using a scanning electron microscope(SEM),and then,the fluorescence spectra and mechanical properties of the film were tested.The SEM results show that the average diameter of the light conversion agent is 500 nm.The results of the mechanical properties tests show that the tensile strengths of light-conversion film increase from9.86 to 12.16 MPa and that the strain at breakage increases from 2.37% to 2.75%.In addition,the application effects of the light-co nversion film were studied.The results indicate that plant height,length of the maximum leaf,width of the maximum leaf and breadth of the plants increase by 24.43%,15.30%,15.60% and 19.07%,respectively.The quality of Chinese flowering cabbages treated with the lightconversion film is superior,including a 9.09% increase in the soluble protein content,a 21.27% increase in the polyphenol content,and a 19.15% increase in the soluble sugar content.Based on these results,light-conversion films can be applied in agricultural production. |
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| Keywords: | Light-conversion film Biomass Photosynthetic pigment content Rare earths |
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