Review Article: Synthesis, properties, and applications of fluorescent diamond particles.

IF 1.5 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Olga A Shenderova, Alexander I Shames, Nicholas A Nunn, Marco D Torelli, Igor Vlasov, Alexander Zaitsev
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引用次数: 0

Abstract

Diamond particles containing color centers-fluorescent crystallographic defects embedded within the diamond lattice-outperform other classes of fluorophores by providing a combination of unmatched photostability, intriguing coupled magneto-optical properties, intrinsic biocompatibility, and outstanding mechanical and chemical robustness. This exceptional combination of properties positions fluorescent diamond particles as unique fluorophores with emerging applications in a variety of fields, including bioimaging, ultrasensitive metrology at the nanoscale, fluorescent tags in industrial applications, and even potentially as magnetic resonance imaging contrast agents. However, production of fluorescent nanodiamond (FND) is nontrivial, since it requires irradiation with high-energy particles to displace carbon atoms and create vacancies-a primary constituent in the majority color centers. In this review, centrally focused on material developments, major steps of FND production are discussed with emphasis on current challenges in the field and possible solutions. The authors demonstrate how the combination of fluorescent spectroscopy and electron paramagnetic resonance provides valuable insight into the types of radiation-induced defects formed and their evolution upon thermal annealing, thereby guiding FND performance optimization. A recent breakthrough process allowing for production of fluorescent diamond particles with vibrant blue, green, and red fluorescence is also discussed. Finally, the authors conclude with demonstrations of a few FND applications in the life science arena and in industry.

综述文章:荧光金刚石颗粒的合成、性能和应用。
嵌入金刚石晶格中的含有色心荧光晶体缺陷的金刚石颗粒通过提供无与伦比的光稳定性、有趣的磁光耦合特性、固有的生物相容性以及出色的机械和化学稳健性,胜过其他类别的荧光团。这种特殊的性能组合将荧光金刚石颗粒定位为独特的荧光团,在各种领域都有新兴的应用,包括生物成像、纳米级超灵敏计量、工业应用中的荧光标签,甚至可能作为磁共振成像造影剂。然而,荧光纳米金刚石(FND)的生产是不平凡的,因为它需要用高能粒子照射来取代碳原子并产生空位——大多数色心中的主要成分。在这篇集中关注材料开发的综述中,讨论了FND生产的主要步骤,重点是该领域当前的挑战和可能的解决方案。作者展示了荧光光谱和电子顺磁共振的结合如何为形成的辐射诱导缺陷的类型及其在热退火后的演变提供有价值的见解,从而指导FND性能优化。还讨论了最近的一种突破性工艺,该工艺允许生产具有鲜艳的蓝色、绿色和红色荧光的荧光金刚石颗粒。最后,作者展示了FND在生命科学领域和工业中的一些应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
2.70
自引率
0.00%
发文量
146
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