Green Synthesis of Carbon Nanodots and Their Application in Specific Fluorescence Detection of Fe<sup>3+</sup>

Yi ZHANG; Jing-jing XING; Si-jia SUN; Di WU; Le-yong ZENG

doi:10.37188/CJL.20200174

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Green Synthesis of Carbon Nanodots and Their Application in Specific Fluorescence Detection of Fe³⁺

Synthesis and Properties of Materials | 更新时间：2020-10-12

- Green Synthesis of Carbon Nanodots and Their Application in Specific Fluorescence Detection of Fe³⁺
- Chinese Journal of Luminescence Vol. 41, Issue 10, Pages: 1249-1254(2020)
- 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：
- 基金信息：
  
  National Natural Science Foundation of China;National Natural Science Foundation of
- DOI：10.37188/CJL.20200174
  CLC： 613.71
- Received：24 June 2020，
  
  Accepted：16 July 2020，
  
  Published：2020-10
- 稿件说明：
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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：

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

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

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

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

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

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

关键词

Keywords

references

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Related Institution

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Green Synthesis of Carbon Nanodots and Their Application in Specific Fluorescence Detection of Fe3+

DOI：10.37188/CJL.20200174

摘要

Abstract

关键词

Keywords

references

Green Synthesis of Carbon Nanodots and Their Application in Specific Fluorescence Detection of Fe³⁺