College of Life Sciences, Qingdao University, Qingdao, 266071, China.
Department of Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Tsinghua University, Beijing, 100084, China.
Chem Asian J. 2020 Apr 17;15(8):1214-1224. doi: 10.1002/asia.202000097. Epub 2020 Mar 18.
Electrochemistry belongs to an important branch of chemistry that deals with the chemical changes produced by electricity and the production of electricity by chemical changes. Therefore, it can not only act a powerful tool for materials synthesis, but also offer an effective platform for sensing and catalysis. As extraordinary zero-dimensional materials, carbon-based quantum dots (CQDs) have been attracting tremendous attention due to their excellent properties such as good chemical stability, environmental friendliness, nontoxicity and abundant resources. Compared with the traditional methods for the preparation of CQDs, electrochemical (EC) methods offer advantages of simple instrumentation, mild reaction conditions, low cost and mass production. In return, CQDs could provide cost-effective, environmentally friendly, biocompatible, stable and easily-functionalizable probes, modifiers and catalysts for EC sensing. However, no specific review has been presented to systematically summarize both aspects until now. In this review, the EC preparation methods of CQDs are critically discussed focusing on CQDs. We further emphasize the applications of CQDs in EC sensors, electrocatalysis, biofuel cells and EC flexible devices. This review will further the experimental and theoretical understanding of the challenges and future prospective in this field, open new directions on exploring new advanced CQDs in EC to meet the high demands in diverse applications.
电化学属于化学的一个重要分支，主要研究电能引起的化学变化以及化学变化产生的电能。因此，它不仅可以作为材料合成的有力工具，还可以为传感和催化提供有效的平台。作为一种特殊的零维材料，碳量子点（CQDs）由于其良好的化学稳定性、环境友好性、无毒和丰富的资源等优异性能而受到了极大的关注。与传统的 CQDs 制备方法相比，电化学（EC）方法具有仪器简单、反应条件温和、成本低、可大规模生产等优点。反过来，CQDs 可以为 EC 传感提供具有成本效益、环境友好、生物相容性、稳定和易于功能化的探针、修饰剂和催化剂。然而，直到现在，还没有专门的综述来系统地总结这两个方面。在本文中，我们批判性地讨论了 CQDs 的 EC 制备方法，重点介绍了 CQDs。我们进一步强调了 CQDs 在 EC 传感器、电催化、生物燃料电池和 EC 柔性器件中的应用。本综述将进一步加深对该领域挑战和未来前景的实验和理论理解，为探索 EC 中新型先进 CQDs 以满足各种应用的高要求开辟新的方向。
