基于Schiff碱反应的新型碳量子点制备及其影响因素研究

占霞飞; 唐建设; 吴军

doi:10.3788/fgxb20163710.1195

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基于Schiff碱反应的新型碳量子点制备及其影响因素研究

材料合成及性能 | 更新时间：2020-08-12

- 基于Schiff碱反应的新型碳量子点制备及其影响因素研究
- Synthesis and Factors of A Novel Carbon Quantum Dot Based on Schiff's Base Reaction
- 发光学报 2016年37卷第10期页码：1195-1202
- 作者机构：
  
  安徽建筑大学环境与能源工程学院,安徽合肥,230601
- 作者简介：
- 基金信息：
  
  国家自然科学基金（21205001）();国家科技支撑计划（2012BAJ08B03）资助项目()
- DOI：10.3788/fgxb20163710.1195
  中图分类号： O482.31
- 纸质出版日期：2016-10-5，
  
  收稿日期：2016-5-5，
  
  修回日期：2016-6-29，
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占霞飞, 唐建设, 吴军. 基于Schiff碱反应的新型碳量子点制备及其影响因素研究[J]. 发光学报, 2016,37(10): 1195-1202

ZHAN Xia-fei, TANG Jian-she, WU Jun. Synthesis and Factors of A Novel Carbon Quantum Dot Based on Schiff's Base Reaction[J]. Chinese Journal of Luminescence, 2016,37(10): 1195-1202
占霞飞, 唐建设, 吴军. 基于Schiff碱反应的新型碳量子点制备及其影响因素研究[J]. 发光学报, 2016,37(10): 1195-1202 DOI： 10.3788/fgxb20163710.1195.

ZHAN Xia-fei, TANG Jian-she, WU Jun. Synthesis and Factors of A Novel Carbon Quantum Dot Based on Schiff's Base Reaction[J]. Chinese Journal of Luminescence, 2016,37(10): 1195-1202 DOI： 10.3788/fgxb20163710.1195.

摘要

通过简便水热合成方法，以戊二醛（GA）与3-氨丙基三甲氧基硅烷（APTMS）的Schiff碱反应制备了新型碳量子点。该碳量子点为直径2~7 nm的球体，激发波长为350 nm时，最大发射峰位于400 nm，量子产率为13.6%。实验表明，碳量子点的最佳制备条件是APTMS与 GA的量比为1：2，在180 ℃下加热8 h。碳量子点在pH=6.0磷酸缓冲液中的荧光强度最大，且荧光强度随测定温度（273~303 K）的升高而降低。

Abstract

A novel carbon quantum dot was synthesized from (3-aminopropyl)-trimethoxysilane (APTMS) and glutaraldehyde (GA) by facile hydrothermal method based on Schiff's base reaction. The carbon quantum dot was spherical with a diameter of about 2-7 nm

and the excitation wavelength and maximum emission peak were 350 and 400 nm

respectively. The fluorescence quantum yield was up to 13.6%. The experiment results show that the optimal prepared condition of carbon quantum dots is APTMS and GA molar ratio of 1:2

heated at 180 ℃ for 8 h. The fluorescence intensity of carbon quantum dots is the maximum in pH 6.0 phosphate buffer solution. In addition

the fluorescence intensity decreases with the increase of the measuring temperature from 273 to 303 K.

关键词

碳量子点Schiff碱反应GAAPTMS光学性质

Keywords

carbon quantum dotsSchiff's base reactionglutaraldehyde(3-aminopropyl)trimethoxysilaneoptical properties

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