| 王庆,陈宇飞,李萍,程健.化学通报,2020,83(3):218-225,264. |
| 石墨相氮化碳量子点的制备及应用的研究进展 |
| Research Advances in the Synthesis and Applications of Graphitic Carbon Nitride Quantum Dots |
| 投稿时间：2019-09-12 修订日期：2019-12-23 |
| DOI： |
| 中文关键词: 石墨相氮化碳 量子点 光催化 荧光量子产率 |
| 英文关键词:Graphitic carbon nitride Quantum dots Photocatalytic Fluorescence quantum yield |
| 基金项目:国家自然科学基金项目（51502210）和催化材料科学湖北省暨国家民委-教育部共建重点实验室开放基金项目（CHCL14003）资助 |
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| 中文摘要: |
| 近年来，石墨相氮化碳（g-C3N4）因其稳定的物理化学性能和良好的生物相容性而受到研究者关注。与块体g-C3N4相比，石墨相氮化碳量子点（g-CNQDs）尺寸更小、荧光效率更高，且具有量子限域效应，因此拥有特殊的理化性质与更好的光催化性能。本文主要从g-CNQDs的制备策略和应用展开讨论，着重综述了微波辅助法、低温固相法、热化学腐蚀法和电化学刻蚀法制备g-CNQDs，以及g-CNQDs在催化剂、离子检测、生物传感与诊疗等领域的最新应用研究进展；指出了目前g-CNQDs在性质、制备和应用等研究方面的重点和难点；最后对g-CNQDs存在的问题和未来的发展方向作出了展望。 |
| 英文摘要: |
| Graphitic carbon nitride (g-C3N4) is the most popular research direction by virtue of its stable physicochemical properties and good biocompatibility. Graphitic carbon nitride quantum dots (g-CNQDs), a kind of metal-free analogue for carbon-based QDs, have good biocompatibility, stable fluorescence, high quantum yield, and nontoxicity. Similar to carbon-based QDs, the g-CNQDs have the advantages of small size distribution, good water solubility, easy functionalization, excellent biocompatibility and chemical inertness. Compared with bulk g-C3N4, g-CNQDs have smaller size, higher fluorescence and quantum confinement effect, so they have better photocatalytic and physicochemical properties. In this paper, we aimed to provide a comprehensive review on the synthesis of g-CNQDs and their applications in multiple areas. The recent progress in the synthesis of g-CNQDs by microwave-assisted method, low temperature solid-phase method, thermochemical tailoring method and electrochemical etching method, as well as the current applications of g-CNQDs in catalysts, ion detections, biosensors, diagnosis and treatments were reviewed. The morphology and structure of the g-CNQDs prepared using different methods and precursors will be described, and it is necessary to continuously improve the synthesis method. Finally, the challenges, future trends and prospects of g-CNQDs were briefly pointed out. |
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