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罗丹明B衍生物光波长转换材料的合成及在农用转光薄膜中的应用 预览 被引量:4

The Derivative of Rhodamine B and Its Application in Wavelength Conversion Membrane
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摘要 农用塑料薄膜是重要的农业生产资料,引入转光材料可以使其具有光波长转化作用,将紫外光和部分不能起光合作用的可见光转换为作物可以利用的可见光,进而极大提高农作物对太阳光的利用率,提高光合作用效率,有效增加农作物产量。实验选用荧光效应强的罗丹明B,以聚乙二醇1000为长链,通过酯化反应对其衍生,得到具有脂溶性长链的罗丹明B衍生物。并对获得的衍生物进行红外、荧光表征。对于获得的罗丹明B衍生物,其荧光激发波长为568 nm,而发射波长为603 nm,将该衍生物以一定比例加到农用塑料薄膜中,制备出可以使日光的黄绿光转化为作物光合作用所需的红橙光的有机光转化膜。 The membrane used in agriculture is important means of production in agricultural development and adding the light conversion agent into the membrane can greatly improve the utilization ratio of sunlight for crops and increase the agricultural production. Rhodamine B was selected as test material for its enhancement effect of fluorescence and polyethylene glycol was used as long chain. The Rhodamine B was derived by esterification reaction and obtained a fat-soluble long-chain. Infrared spectroscopy and fluorescence were characterized for derivative. The derivative was obtained under the conditions of 568 nm for excitation wavelength and 603 nm for emission wavelength. Mixing the derivative into the plastic film at proper proportion, the authors prepared the organic light conversion membrane which allowed green-yellow portion of sunlight to convert into red-orange light which the crop photosynthesis needed to effectively improve the photosynthetic efficiency.
作者 王兆群 张博华 高文慧 魏延洁 尹洪宗 徐坤 WANG Zhao-qun;ZHANG Bo-hua;GAO Wen-hui;WEI Yan-jie;YIN Hong-zong;XU Kun;College of Chemistry and Material Science/Shandong Agricultural University;College of Horticulture Science and Engineering/Shandong Agricultural University;
出处 《山东农业大学学报:自然科学版》 CSCD 2016年第5期745-748, Journal of Shandong Agricultural University
基金 国家自然科学基金(31171953)
关键词 罗丹明B 聚乙二醇 光波长转化 薄膜 Rhodamine B polyethylene glycol light conversion membrane
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