纳米点
纳米技术
纳米材料
表面改性
纳米结构
光致发光
化学
碳纤维
量子点
材料科学
光电子学
复合数
物理化学
复合材料
作者
Francesca Mocci,Leon Engelbrecht,Chiara Olla,Antonio Cappai,Pier Carlo Ricci,Claudio Melis,Luigi Stagi,Aatto Laaksonen,Carlo Maria Carbonaro
出处
期刊:Chemical Reviews
[American Chemical Society]
日期:2022-08-10
卷期号:122 (16): 13709-13799
被引量:22
标识
DOI:10.1021/acs.chemrev.1c00864
摘要
Carbon nanodots (CNDs) are the latest and most shining rising stars among photoluminescent (PL) nanomaterials. These carbon-based surface-passivated nanostructures compete with other related PL materials, including traditional semiconductor quantum dots and organic dyes, with a long list of benefits and emerging applications. Advantages of CNDs include tunable inherent optical properties and high photostability, rich possibilities for surface functionalization and doping, dispersibility, low toxicity, and viable synthesis (top-down and bottom-up) from organic materials. CNDs can be applied to biomedicine including imaging and sensing, drug-delivery, photodynamic therapy, photocatalysis but also to energy harvesting in solar cells and as LEDs. More applications are reported continuously, making this already a research field of its own. Understanding of the properties of CNDs requires one to go to the levels of electrons, atoms, molecules, and nanostructures at different scales using modern molecular modeling and to correlate it tightly with experiments. This review highlights different in silico techniques and studies, from quantum chemistry to the mesoscale, with particular reference to carbon nanodots, carbonaceous nanoparticles whose structural and photophysical properties are not fully elucidated. The role of experimental investigation is also presented. Hereby, we hope to encourage the reader to investigate CNDs and to apply virtual chemistry to obtain further insights needed to customize these amazing systems for novel prospective applications.
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