Synthesis of Chitosan-based Polymer Carbon Dots Fluorescent Materials and Their UV Aging Resistance Properties for Paper

YU Shu-juan; WANG Feng; LUO Zhen-jing; ZHU Yong-fei

doi:10.3788/fgxb20173811.1443

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Synthesis of Chitosan-based Polymer Carbon Dots Fluorescent Materials and Their UV Aging Resistance Properties for Paper

更新时间：2020-08-12

- Synthesis of Chitosan-based Polymer Carbon Dots Fluorescent Materials and Their UV Aging Resistance Properties for Paper
- Chinese Journal of Luminescence Vol. 38, Issue 11, Pages: 1443-1449(2017)
- 作者机构：
  
  广西师范学院化学与材料科学学院,广西南宁,530001
- 作者简介：
- 基金信息：
  
  Supported by Natural Science Fund of Guangxi Province(2016GXNSFAA380203)
- DOI：10.3788/fgxb20173811.1443
  CLC： TB383;O613.71
- Received：11 April 2017，
  
  Revised：06 July 2017，
  
  Published：05 November 2017
- 稿件说明：
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于淑娟, 汪丰, 罗振静等. 壳聚糖基聚合物点荧光材料的合成及其对纸张的抗紫外老化性能[J]. 发光学报, 2017,38(11): 1443-1449

YU Shu-juan, WANG Feng, LUO Zhen-jing etc. Synthesis of Chitosan-based Polymer Carbon Dots Fluorescent Materials and Their UV Aging Resistance Properties for Paper[J]. Chinese Journal of Luminescence, 2017,38(11): 1443-1449
于淑娟, 汪丰, 罗振静等. 壳聚糖基聚合物点荧光材料的合成及其对纸张的抗紫外老化性能[J]. 发光学报, 2017,38(11): 1443-1449 DOI： 10.3788/fgxb20173811.1443.

YU Shu-juan, WANG Feng, LUO Zhen-jing etc. Synthesis of Chitosan-based Polymer Carbon Dots Fluorescent Materials and Their UV Aging Resistance Properties for Paper[J]. Chinese Journal of Luminescence, 2017,38(11): 1443-1449 DOI： 10.3788/fgxb20173811.1443.

摘要

以壳聚糖、柠檬酸、N-（2-羟乙基）乙二胺为原料，通过水热法合成了壳聚糖基聚合点（P （CS-g-CA） Ds）荧光材料，发现柠檬酸的接枝可明显提高壳聚糖聚合物点的量子产率。对P （CS-g-CA） Ds进行了红外光谱、紫外光谱、光电子能谱、透射电镜、热分解性能及光致发光光谱表征，测试了不同pH值下的荧光强度。结果表明，P （CS-g-CA） Ds在pH=4~12范围内有良好的稳定性。通过测试紫外老化前后宣纸的羰基指数和乙烯基指数研究了P （CS-g-CA） Ds在宣纸中的应用，结果表明其具有良好的抗紫外老化性能。

Abstract

Fluorescent materials P(CS-g-CA)Ds were prepared by hydrothermal method using chitosan

citric acid

and N-(2-hydroxyethyl) ethylenediamine as raw materials. It was found that grafted citric acid could significantly increase the quantum yield of chitosan polymer carbon dots. The P(CS-g-CA)Ds were characterized by infrared spectroscopy

ultraviolet spectroscopy (UV)

X-ray powder diffraction

X-ray photoelectron spectroscopy

transmission electron microscopy

thermal decomposition and photoluminescence spectra. The fluorescence performance tests at different pH values show that P(CS-g-CA)Ds have excellent stability in the pH range of 4-12. The application performance of P(CS-g-CA)Ds in rice paper was studied by testing the carbonyl index and the vinyl index of the paper before and after UV aging. The results demonstrate that P(CS-g-CA)Ds have good UV aging resistance performance.

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references

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