从碳点到碳化聚合物点：发展和挑战
增强出版From Carbon Dots to Carbonized Polymer Dots: Development and Challenges
- 发光学报 2021年42卷第8期 页码：1075-1094
- 作者机构：
1.郑州大学 化学学院(绿色催化中心)，河南 郑州 450001
2.吉林大学化学学院 超分子结构与材料国家重点实验室，吉林 长春 130012
- 作者简介：
[ "孟维雪(1995-)，女，河南周口人，硕士研究生，2018年于河南农业大学获得学士学位，主要从事碳基材料的合成及其电催化应用的研究。E-mail: 18738153540@163.com" ]
[ "卢思宇(1986-)，男，河南开封人，博士，教授，博士研究生导师，2016年于吉林大学获得博士学位，主要从事碳点的设计制备及其杂化体系在发光和能源领域的机理与应用的研究。E-mail: sylu2013@zzu.edu.cn" ]
- 基金信息：国家自然科学基金(21905253;51973200);中国博士后科学基金(2018M640681;2019T120632);河南省自然科学基金(202300410372)
DOI：10.37188/CJL.20210155
中图分类号：
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孟维雪, 杨柏, 卢思宇. 从碳点到碳化聚合物点：发展和挑战[J]. 发光学报, 2021,42(8):1075-1094.
Wei-xue MENG, Bai YANG, Si-yu LU. From Carbon Dots to Carbonized Polymer Dots: Development and Challenges[J]. Chinese Journal of Luminescence, 2021,42(8):1075-1094.
孟维雪, 杨柏, 卢思宇. 从碳点到碳化聚合物点：发展和挑战[J]. 发光学报, 2021,42(8):1075-1094. DOI： 10.37188/CJL.20210155.
Wei-xue MENG, Bai YANG, Si-yu LU. From Carbon Dots to Carbonized Polymer Dots: Development and Challenges[J]. Chinese Journal of Luminescence, 2021,42(8):1075-1094. DOI： 10.37188/CJL.20210155.
摘要
碳点(CDs)由于其出色的光学性能、高生物相容性和低毒性，因此在许多领域都具有潜在应用。对其光致发光(PL)机制的认识已得到广泛研究，对于指导可调节PL发射的CDs的合成和推广应用具有重要意义。但是，PL发射的内在机理尚不清楚，并且由于颗粒结构的差异，尚未找到统一的机理。本综述根据对结构和性能特征的分析，总结了一种新的CDs分类，称为碳化聚合物点(CPDs)。概述了与结构差异有关的三种PL机制:内部因素主导发射(包括共轭效应、表面状态和协同效应)、外部因素主导发射(包括分子态和环境效应)以及交联-发射增强。除此之外，还简要介绍了CDs的光学应用。最后，讨论了PL机制的研究前景，并指出了未来工作中存在的挑战和方向。
Abstract
Carbon dots(CDs) may be useful in many fields due to its excellent optical properties, high biocompatibility and low toxicity. The knowledge of its photoluminescence(PL) mechanism has been extensively studied, which is of great significance for guiding the synthesis and popularization of CDs with adjustable PL emission. However, the internal mechanism of PL emission is still unclear, and due to the difference in particle structure, a unified mechanism has not yet been found. This review summarizes a new CDs classification based on the analysis of structural and performance characteristics, called carbonized polymer dots(CPDs). Three PL mechanisms related to structural differences are summarized: internal factors dominate emission(including conjugation effects, surface state and synergistic effects), external factors dominate emission(including molecular state and environmental effects), and cross-linking-emissions. The optical application of CDs is also briefly introduced. Finally, the prospects for research into PL mechanisms are discussed, noting the remaining challenges and directions for future work.
关键词
碳点光致发光机制表面态分子态交联增强发射
Keywords
carbon dotsphotoluminescence mechanismssurface statemolecular statecrosslink-enhanced emission
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