计算从量子点到二维材料的应变相关能量转移

IF 2.5 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
E. Simsek, B. Aslan
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引用次数: 0

摘要

最近研究了二维(2D)材料单层之间的近场相互作用。另一个正在研究的分支是二维材料与零维(0D)纳米结构(包括量子点(QDs)和金属纳米颗粒)之间的相互作用。在这项工作中,我们采取了更多的步骤来设计这些系统之间的交互。我们探索了机械应变对从0D材料ZnCdSe/ZnSe QD到2D材料单层(1L) WS2的非辐射能量传递(NRET)速率的影响。已知机械应变引起1L WS2中激子能量的大位移。结果表明,应变可以通过设计ZnCdSe/ZnSe QD的发射光谱与1L WS2的激子共振之间的重叠来调节NRET率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Computing strain-dependent energy transfer from quantum dots to 2D materials
Near-field interaction between the monolayers of two-dimensional (2D) materials has been recently investigated. Another branch under investigation has been the interaction between 2D materials and zero-dimensional (0D) nanostructures including quantum dots (QDs) and metal nanoparticles. In this work, we take one more step to engineering the interaction between those systems. We probe the effect of mechanical strain on the non-radiative energy transfer (NRET) rate from a 0D material, ZnCdSe/ZnSe QD, to a 2D material, monolayer (1L) WS2. It is known that the mechanical strain causes large shifts to the exciton energies in 1L WS2. As a result, our calculations show that strain can tune the NRET rate by engineering the overlap between the emission spectrum of ZnCdSe/ZnSe QD and the exciton resonances of 1L WS2.
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来源期刊
Nano Futures
Nano Futures Chemistry-General Chemistry
CiteScore
4.30
自引率
0.00%
发文量
35
期刊介绍: Nano Futures mission is to reflect the diverse and multidisciplinary field of nanoscience and nanotechnology that now brings together researchers from across physics, chemistry, biomedicine, materials science, engineering and industry.
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