许利娜,杨小华,丁海阳,李梅,李守海,夏建陵

• 1:中国林业科学研究院林产化学工业研究所生物质化学利用国家工程实验室国家林业和草原局林产化学工程重点实验室江苏省生物质能源与材料重点实验室江苏省林业资源高效加工利用协同创新中心
• 2:中国林业科学研究院林业新技术研究所

摘要(Abstract)：

为了扩展造纸废液中的木质素磺酸钠的应用,以木质素磺酸钠和半胱氨酸为原料通过绿色的一步水热反应制备N, S双掺杂碳点,利用紫外可见光谱、荧光光谱和透射电镜等表征了碳点的光学性能、结构和对金属离子的选择性检测性能,结果表明制备的N,S双掺杂碳点可以识别Fe~(3+),在0.5～100μmol×L~(-1),Fe~(3+)的浓度与制备的碳点的荧光猝灭强度有良好的线性关系(R2=0.995)。将制备的碳点用于实际水样,结果表明可实现水样中3价铁离子的检测。此荧光探针原料成本低廉,制备绿色简便,在检测领域和生物质资源的高附加值应用领域有着很好的应用前景。

关键词(KeyWords)： 杂原子掺杂;碳量子点;荧光探针;木质素;选择性吸附

Abstract:

Keywords:

基金项目(Foundation): 江苏省生物质能源与材料重点实验室基金(JSBEM-S-201807);; 中央级公益性科研院所基本科研业务费专项资金(CAFYBB2017QA016)

作者(Author): 许利娜,杨小华,丁海阳,李梅,李守海,夏建陵

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