红光碳点:发光机理、调控及应用探究

王欢; 徐晶; 黄昱清; 周鸿磊; 方学林; 李慧珺; 王现英; 杨俊和

doi:10.37188/CJL.20200276

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红光碳点:发光机理、调控及应用探究

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- 红光碳点:发光机理、调控及应用探究
- Red Emissive Carbon Dots: Photoluminescence Mechanism, Modulation and Application Research
- 发光学报 2020年41卷第12期页码：1579-1597
- 作者机构：
  
  1.上海理工大学材料科学与工程学院, 上海 200082
  2.国家知识产权局专利局专利审查协作江苏中心化学发明审查部高分子化学室, 江苏苏州 215000
- 作者简介：
  
  [ "王欢(1996-)，女，陕西西安人，硕士研究生，2019年于西安石油大学获得学士学位，主要从事荧光碳纳米材料方面的研究。E-mail:18700938317@163.com" ]
  [ "徐晶(1987-)，男，江苏盐城人，硕士，助理研究员，2012年于江南大学获得硕士学位，主要从事功能材料的研究和化学领域专利审查工作。E-mail: xujing050201@163.com" ]
  [ "李慧珺(1990-)，女，安徽合肥人，博士，讲师，2016年于复旦大学获得博士学位，主要从事碳纳米材料研究及应用开发。E-mail: huijunli0701@126.com" ]
- 基金信息：
  
  国家自然科学基金(51702212);上海市晨光计划(19CG52)
- DOI：10.37188/CJL.20200276
  中图分类号： O482.31
- 纸质出版日期：2020-12，
  
  收稿日期：2020-9-14，
  
  录用日期：2020-10-27
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王欢, 徐晶, 黄昱清, 等. 红光碳点:发光机理、调控及应用探究[J]. 发光学报, 2020,41(12):1579-1597.

Huan WANG, Jing XU, Yu-qing HUANG, et al. Red Emissive Carbon Dots: Photoluminescence Mechanism, Modulation and Application Research[J]. Chinese Journal of Luminescence, 2020,41(12):1579-1597.
王欢, 徐晶, 黄昱清, 等. 红光碳点:发光机理、调控及应用探究[J]. 发光学报, 2020,41(12):1579-1597. DOI： 10.37188/CJL.20200276.

Huan WANG, Jing XU, Yu-qing HUANG, et al. Red Emissive Carbon Dots: Photoluminescence Mechanism, Modulation and Application Research[J]. Chinese Journal of Luminescence, 2020,41(12):1579-1597. DOI： 10.37188/CJL.20200276.

摘要

红色荧光碳点(简称红光碳点，R-CDs)具有成像对比度好、空间分辨率高等优势，受到了研究者们的广泛关注。但目前报道的红光碳点往往存在荧光量子效率低、FWHM较宽且需要蓝绿光激发的缺陷，达不到实际应用需求。因此，进一步明确红光碳点发光机制、实现高荧光量子产率(PL QY)激发非依赖红光具有十分重要的意义。本文首先阐述了量子限域效应、表面状态、聚集效应等因素对碳点红光发射性质的作用机制；其次分析了红光碳点制备过程中前驱体、溶剂类型等的调控机制，并简要介绍了红光碳点在发光二极管及生物成像中的应用现状；最后，针对红光碳点的制备方法、性能调控及发展方向进行了展望。

Abstract

Due to the advantages of excellent imaging contrast and high spatial resolution

red emissive carbon dots(R-CDs) have attracted intensive attention. However

most of the reported R-CDs exhibited low photoluminescence quantum yield(PL QY)

wide half peak-width(FWMH)

and excitation-dependence property(excited mainly by blue or green light)

which limits practical applications. Therefore

it is of great importance to furtherly elucidate the PL mechanism of R-CDs and achieve excitation-independent PL property as well as high PL QY. In this paper

the PL influencing factors of red emission including the quantum confinement effect

surface states and aggregation behaviors have been explained. Then

the regulatory mechanism of different reaction conditions such as the precursor and reaction reagent is investigated in details. Besides

we have briefly introduced the current applications of R-CDs in the fields of light emitting diodes and bio-imaging. Finally

attempts to realize the state-of-the-art performance of R-CDs is prospected.

关键词

红色荧光碳点荧光机理制备手段

Keywords

red emissioncarbon dotsphotoluminescence mechanismsynthetic method

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