Directly writing multicomponent plasmonic nanocavities based on fs-laser induced photo-mechanical spallation

IF 5.4 3区材料科学 Q2 CHEMISTRY, PHYSICAL

ACS Applied Energy Materials Pub Date : 2024-09-09 DOI:10.1016/j.optlastec.2024.111752

Misheng Liang , Yanshuo Feng , Yang Liu , Yiling Lian , Kaihu Zhang , Mengyao Tian , Rui You

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引用次数: 0

Abstract

Multicomponent plasmonic nanostructures exhibit enhanced resonant coupling and unique energy dissipation mechanisms, demonstrating out-standing application potential. However, the controllable fabrication of multicomponent plasmonic nanostructures in terms of composition, shape, and size, remains highly challenging. In this paper, we propose a method for controllable fabrication of multicomponent plasmonic nanocavity arrays through femtosecond laser directly writing. Based on the optically induced mechanical spallation effect, in-situ controllable direct writing of Au-Ag nanocavities was achieved and the size could be tuned within the range of 700 nm to 20 μm in diameter and 300 nm to 1.3 μm in height. The Au-Ag nanocavity structure showing a limit detection concentration of 10^-14 M of rhodamine (R6G) and an enhancement factor of 1.27 × 10⁸. Furthermore, the structure exhibited excellent physical and chemical stability, with a maxi-mum relative standard deviation of 3.02 % after exposure to air two months. In addition, other kinds of metal (Ag-Al) were also fabricated successfully, revealing highly universality of the fabrication method and making the method highly promising for widely applications.

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基于 fs 激光诱导的光机械剥落直接写入多组分质子纳米腔

多组分质子纳米结构具有更强的共振耦合能力和独特的能量耗散机制，显示出卓越的应用潜力。然而，多组分质子纳米结构在组成、形状和尺寸方面的可控制造仍然极具挑战性。在本文中，我们提出了一种通过飞秒激光直接写入可控制造多组分质子纳米腔阵列的方法。基于光学诱导的机械剥落效应，实现了金银纳米腔体的原位可控直接写入，其尺寸可在直径 700 nm 至 20 μm 和高度 300 nm 至 1.3 μm 的范围内调节。金银纳米空腔结构的罗丹明（R6G）极限检测浓度为 10-14 M，增强因子为 1.27 × 108。此外，该结构还具有出色的物理和化学稳定性，在暴露于空气中两个月后，其最大相对标准偏差为 3.02%。此外，还成功制备了其他种类的金属（Ag-Al），显示了该制备方法的高度通用性，使该方法具有广泛的应用前景。

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来源期刊

ACS Applied Energy Materials Materials Science-Materials Chemistry

CiteScore

10.30

自引率

6.20%

发文量

1368

期刊介绍： ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.