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绿色方法合成纳米碳点及对Fe3+的特异性荧光检测
Green Synthesis of Carbon Nanodots and Their Application in Specific Fluorescence Detection of Fe3+
- 发光学报 2020年41卷第10期 页码：1249-1254
- 作者机构：
河北大学 化学与环境科学学院, 河北 保定 071002
- 作者简介：
[ "张艺(1999-), 女, 河北南和县人, 硕士研究生, 2020年于河北大学获得学士学位, 主要从事纳米碳点的合成及应用的研究。E-mail:1466919053@qq.com" ]
[ "吴頔(1984-), 女, 辽宁抚顺人, 硕士, 实验师, 2010年于东北林业大学获得硕士学位, 主要从事无机纳米材料制备及应用的研究。E-mail:wudi2137@126.com" ]
[ "曾乐勇(1981-), 男, 河北新河县人, 博士, 教授, 博士研究生导师, 2010年于中国科学院长春光学精密机械与物理研究所获得博士学位, 主要从事磁/光响应型纳米材料制备及应用的研究。E-mail:zengly@hbu.cn" ]
- 基金信息：国家自然科学基金(51772074);国家自然科学基金(U1732127)
DOI：10.37188/CJL.20200174
中图分类号： 613.71纸质出版日期：2020-10，
收稿日期：2020-6-24，
录用日期：2020-7-16
扫 描 看 全 文
张艺, 邢晶晶, 孙思佳, 等. 绿色方法合成纳米碳点及对Fe3+的特异性荧光检测[J]. 发光学报, 2020,41(10):1249-1254.
Yi ZHANG, Jing-jing XING, Si-jia SUN, et al. Green Synthesis of Carbon Nanodots and Their Application in Specific Fluorescence Detection of Fe3+[J]. Chinese Journal of Luminescence, 2020,41(10):1249-1254.
张艺, 邢晶晶, 孙思佳, 等. 绿色方法合成纳米碳点及对Fe3+的特异性荧光检测[J]. 发光学报, 2020,41(10):1249-1254. DOI： 10.37188/CJL.20200174.
Yi ZHANG, Jing-jing XING, Si-jia SUN, et al. Green Synthesis of Carbon Nanodots and Their Application in Specific Fluorescence Detection of Fe3+[J]. Chinese Journal of Luminescence, 2020,41(10):1249-1254. DOI： 10.37188/CJL.20200174.
摘要
以黄瓜为原料，采用水热法合成了荧光纳米碳点，实现了对Fe
3+
的特异性荧光检测。利用透射电子显微镜和X射线光电子能谱仪对纳米碳点的形貌和微结构进行了表征，并利用荧光光谱仪对纳米碳点的荧光性能以及加入不同金属离子后的荧光强度变化进行了测量。结果表明，合成的纳米碳点分散性良好，尺寸约为3 nm左右。在365 nm紫外光激发下，其发射峰位于435 nm；当反应温度为200℃、反应时间为12 h时，纳米碳点的荧光性能最佳。Fe
3+
的加入能猝灭纳米碳点的荧光，而其他金属离子不会引起纳米碳点荧光强度和发射峰位置的改变，表明绿色方法合成的纳米碳点实现了对Fe
3+
的特异性荧光检测。
Abstract
Using cucumber as raw material
fluorescent carbon nanodots were synthesized
via
hydrothermal method
by which the specific fluorescent detection of Fe
3+
was achieved. The morphology and microstructure of carbon nanodots were characterized by transmission electron microscope and X-ray photoelectron spectroscope
and the fluorescent performance of carbon nanodots was measured by fluorescent spectroscope. The results indicated that the prepared carbon nanodots showed good dispersity
and the average size was about 3 nm. When the reaction temperature was 200 ℃ and the reaction time was 12 h
the prepared carbon nanodots have the optimum fluorescent performance. Moreover
the introduction of Fe
3+
can quench the fluorescence of carbon nanodots
but other metal ions can not change the fluorescence intensity and emission wavelength of carbon nanodots
which indicates that the prepared carbon nanodots achieve specific fluorescence detection towards Fe
3+
.
关键词
纳米碳点水热法黄瓜绿色合成Fe3+荧光检测
Keywords
carbon nanodotshydrothermal methodcucumbergreen synthesisFe3+ fluorescent detection
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