Photo-thermo-acoustic (PTA) effect of a multilayer composite material with periodic micro-nano structures (PMNS): Modeling, simulation and experiment

IF 2.9 3区物理与天体物理 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Photonics and Nanostructures-Fundamentals and Applications Pub Date : 2025-03-18 DOI:10.1016/j.photonics.2025.101383

Renjie Li , Yanze Gao , Weijie Liu , Tongtong An , Hongcheng Pan , Yuan Mu , Xujin Yuan

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Abstract

The photo-thermo-acoustic (PTA) effect of a three-layer composite material whose surface is fabricated with many periodic micro-nano structures (PMNS) is investigated in this paper. The material is composed of a silicon substrate, a thermal insulation layer of polyimide, and a light-absorbing layer of aluminum nanoaggregates. We propose a method for analyzing the PTA effect based on the idea of finite element meshing. The PTA conversion processes including the photo-thermal conversion and the thermal-acoustic conversion are quantitatively simulated. The influence of the geometric parameters of the PMNS on the intensity and space distribution of the sound field is analyzed both by simulation and experiment. The results show that fabricating PMNS on composite materials can significantly enhance the PTA effect. And the finite element analyzing method proposed in this paper can correctly describe and predict the PTA effect of composite materials with two-dimensional PMNS. It is also applicable for analyzing the PTA effects of other similar materials or structures.

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具有周期性微纳结构（PMNS）的多层复合材料的光-热-声（PTA）效应：建模、仿真和实验

研究了一种表面由多个周期微纳结构（PMNS）构成的三层复合材料的光-热-声（PTA）效应。该材料由硅衬底、聚酰亚胺保温层和铝纳米聚集体吸光层组成。提出了一种基于有限元网格思想的PTA效应分析方法。定量模拟了PTA转换过程，包括光热转换和热声转换。通过仿真和实验分析了PMNS几何参数对声场强度和空间分布的影响。结果表明，在复合材料上制备PMNS可以显著提高PTA效果。本文提出的有限元分析方法能够正确地描述和预测二维PMNS复合材料的PTA效应。也可用于分析其它类似材料或结构的PTA效应。

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来源期刊

Photonics and Nanostructures-Fundamentals and Applications 工程技术-材料科学：综合

CiteScore

5.00

自引率

3.70%

发文量

审稿时长

62 days

期刊介绍： This journal establishes a dedicated channel for physicists, material scientists, chemists, engineers and computer scientists who are interested in photonics and nanostructures, and especially in research related to photonic crystals, photonic band gaps and metamaterials. The Journal sheds light on the latest developments in this growing field of science that will see the emergence of faster telecommunications and ultimately computers that use light instead of electrons to connect components.