Wu Zhu Lian, Liu Ze Xi, Yuan Yun Huan
Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
J Mater Chem B. 2017 Jun 7;5(21):3794-3809. doi: 10.1039/c7tb00363c. Epub 2017 May 2.
Herein, we summarize recent research developments and progress of carbon dots (CDs), which have been attracting considerable attention as a new type of photoluminescent material. Raw materials, from single carbonaceous compounds to colorful natural substances, for the synthesis of CDs are discussed. A range of diverse synthetic methodologies to achieve better photoluminescence performance and more advanced functions are summarized, and these are basically divided into two classes: top-down and bottom-up. The inspiring properties, mainly including composites, optical properties and cytotoxicity, are listed. In particular, the luminescence mechanism and surface functionalization of the CDs are briefly discussed. Moreover, on the basis of the above, the long-wavelength and multicolor emission properties of CDs and ways to achieve these goals including surface state and size controlled by synthesis strategies, proper precursors, chemical doping and modification, solvatochromic effects and energy transfer are reviewed in detail.
在此，我们总结了碳点（CDs）的近期研究进展，碳点作为一种新型光致发光材料已引起了相当大的关注。讨论了用于合成碳点的原材料，从单一含碳化合物到丰富多彩的天然物质。总结了一系列旨在实现更好光致发光性能和更先进功能的不同合成方法，这些方法基本分为两类：自上而下法和自下而上法。列出了碳点令人鼓舞的特性，主要包括复合材料、光学特性和细胞毒性。特别简要讨论了碳点的发光机制和表面功能化。此外，基于上述内容，详细综述了碳点的长波长和多色发射特性以及实现这些目标的方法，包括通过合成策略控制表面状态和尺寸、使用合适的前驱体、化学掺杂和改性、溶剂化显色效应以及能量转移。
