Modified Absorption and Emission Properties Leading to Intriguing Applications in Plasmonic–Excitonic Nanostructures,Advanced Optical Materials

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Modified Absorption and Emission Properties Leading to Intriguing Applications in Plasmonic–Excitonic Nanostructures
Advanced Optical Materials ( IF 8.0 ) Pub Date : 2020-11-20 , DOI: 10.1002/adom.202001150
Vishal Kumar ₁ , Nisika Nisika ₁ , Mukesh Kumar ₁

Affiliation

Hybrid nanostructures composed of metal and semiconducting nanocrystals have drawn tremendous attention owing to their extraordinary absorption and emission properties. The energy transfer in metal–semiconductor hybrids as a result of synergetic plasmon–exciton interactions leads to numerous applications in the field of solar energy harvesting, photocatalytic reactions, imaging, photonics, sensing, and many more. Various breakthroughs in advanced characterization techniques over the past decade have disclosed several factors affecting the energy transfer processes leading to modified absorption and emission properties in metal–semiconductor hybrids. Herein, various theoretical and experimental methodologies are summarized, covering numerous advancements in metal–semiconductor nanostructures with greater emphasis on identifying parameters such as nanostructure size, shape, surface, distance between nanocrystals, and many more, which influence the optical properties of these hybrid nanocrystals. In addition, the impact of these parameters on the performance of various applications is also illuminated. Several challenges and future opportunities in the field are discussed, that will not only increase the performance and practicality of current applications, but also pave the way for future applications.

中文翻译：

改性的吸收和发射特性导致在等离子-激子纳米结构中的有趣应用

由金属和半导体纳米晶体组成的杂化纳米结构因其非凡的吸收和发射特性而备受关注。协同等离激元-激子相互作用的结果是，金属-半导体杂化体中的能量转移导致了太阳能收集，光催化反应，成像，光子学，传感等领域的许多应用。在过去的十年中，先进的表征技术取得了各种突破，揭示了影响能量转移过程的几个因素，这些因素导致了金属-半导体混合体吸收和发射特性的改变。本文总结了各种理论和实验方法，涵盖了金属-半导体纳米结构的众多进步，重点是识别诸如纳米结构尺寸，形状，表面，纳米晶体之间的距离等参数，这些参数会影响这些杂化纳米晶体的光学特性。此外，还阐明了这些参数对各种应用程序性能的影响。讨论了该领域中的一些挑战和未来机遇，它们不仅将提高当前应用程序的性能和实用性，而且还将为将来的应用程序铺平道路。

更新日期：2021-01-18

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