Novel properties and applications of carbon nanodots,Nanoscale Horizons

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Novel properties and applications of carbon nanodots
Nanoscale Horizons ( IF 8.0 ) Pub Date : 2018-07-17 00:00:00 , DOI: 10.1039/c8nh00106e
Lian Xiao _{1,

2,

3,

4} , Handong Sun _{1,

2,

3,

4,

5}

Affiliation

In the most recent decade, carbon dots have drawn intensive attention and triggered substantial investigation. Carbon dots manifest superior merits, including excellent biocompatibility both in vitro and in vivo, resistance to photobleaching, easy surface functionalization and bio-conjugation, outstanding colloidal stability, eco-friendly synthesis, and low cost. All of these endow them with the great potential to replace conventional unsatisfactory fluorescent heavy metal-containing semiconductor quantum dots or organic dyes. Even though the understanding of their photoluminescence mechanism is still controversial, carbon dots have already exhibited many versatile applications. In this article, we summarize and review the recent progress achieved in the field of carbon dots, and provide a comprehensive summary and discussion on their synthesis methods and emission mechanisms. We also present the applications of carbon dots in bioimaging, drug delivery, microfluidics, light emitting diode (LED), sensing, logic gates, and chiral photonics, etc. Some unaddressed issues, challenges, and future prospects of carbon dots are also discussed. We envision that carbon dots will eventually have great commercial utilization and will become a strong competitor to some currently used fluorescent materials. It is our hope that this review will provide insights into both the fundamental research and practical applications of carbon dots.

中文翻译：

碳纳米点的新颖性质和应用

在最近的十年中，碳点引起了广泛的关注并引发了实质性的调查。碳点具有优越的优点，包括在体外和体内均具有出色的生物相容性，具有抗光漂白性，易于表面功能化和生物共轭，出色的胶体稳定性，环保的合成方法以及低成本。所有这些赋予它们巨大的潜力，以取代常规的令人满意的含荧光重金属的半导体量子点或有机染料。尽管对它们的光致发光机理的理解仍然存在争议，但是碳点已经展现出了许多通用的应用。在本文中，我们总结并回顾了碳点领域的最新进展，并对它们的合成方法和排放机理进行了全面的总结和讨论。我们还将介绍碳点在生物成像，药物输送，微流体，发光二极管（LED），传感，逻辑门和手性光子学中的应用，等还讨论了一些未解决的问题，挑战和未来的碳点的前景。我们设想碳点将最终在商业上得到广泛应用，并将成为当前使用的某些荧光材料的有力竞争者。我们希望这次审查能提供有关碳点的基础研究和实际应用的真知灼见。

更新日期：2018-07-17

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