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石墨烯量子点对对苯二酚的检测

DOI: 10.11830/ISSN.1000-5013.2014.05.0547

Keywords: 石墨烯量子点, 对苯二酚, 柠檬酸, 熔融法, 荧光检测

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Abstract:

以柠檬酸为碳源,采用一步熔融法制备了石墨烯量子点,通过红外光谱、紫外-可见吸收光谱、荧光光谱对其光学性能进行表征,同时考察了石墨烯量子点耐光漂白能力和抗盐性. 该石墨烯量子点可应用于对苯二酚的检测,其荧光强度与对苯二酚浓度成良好的线性关系(R2=0.979),方法的检测限为3.1 nmol?L-1, 线性范围为1.0×10-7~5.0×10-6 mol?L-1.

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