期刊
JOURNAL OF RARE EARTHS
卷 38, 期 5, 页码 539-545出版社
ELSEVIER
DOI: 10.1016/j.jre.2020.01.020
关键词
Light-conversion film; Sr2Si5N8:Eu2+ phosphor; Biomass; Photosynthetic pigment content; Rare earths
资金
- National Natural Science Foundation of China [21671070]
- Key Realm R&D Program of Guangdong Province [2019B020214001, 2019B020223001]
- China Agriculture Research System [CARS26]
- Guangdong Provincial Special Fund for Modern Agriculture Industry Technology Innovation Teams [2019LM119]
- National Undergraduate Innovation and Entrepreneurship Training Program [201910564035]
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 from 9.86 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-conversion 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 light-conversion 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. (C) 2020 Chinese Society of Rare Earths. Published by Elsevier B.V. All rights reserved.
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