Multifunctional subwavelength device for wide-band sound absorption and acoustic-electric conversion

IF 4.1 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Sensors and Actuators A-physical Pub Date : 2025-04-09 DOI:10.1016/j.sna.2025.116554

Ming Yuan , Bo Zhu , Qingsong Jiang , Yannan Xie , Roger Ohayon

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引用次数: 0

Abstract

Multifunctional acoustic devices, pivotal for advancing smart, compact systems, have attracted considerable interest due to their capacity to manipulate sound waves and deliver tailored functionalities. This study introduces a subwavelength acoustic device engineered with multifunctional interfaces that concurrently achieve sound absorption and acoustic-electric conversion. Departing from conventional local resonance-based absorbers—limited to single-peak low-frequency absorption—the proposed design enables effective low-frequency absorption and broadband performance (810–1600 Hz). This is realized through a synergistic architecture combining a slit-panel structure and a porous material, the latter shielded by an acoustic wire mesh to mitigate environmental contamination. Additionally, an acoustic nanogenerator, integrated with the slit panel and mesh, adopting contact electrification between materials with contrasting triboelectric properties to generate electricity. Experimental validation confirms the acoustic absorption performance and the successful acoustic-electric conversion, with peak voltage output occurring near the device’s resonant frequency. By integrating noise reduction and acoustic-electric conversion within a compact device, this work contributes to the development of multifunctional acoustic systems for self-powered applications and integration within smart environments.

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来源期刊

Sensors and Actuators A-physical 工程技术-工程：电子与电气

CiteScore

8.10

自引率

6.50%

发文量

630

审稿时长

49 days

期刊介绍： Sensors and Actuators A: Physical brings together multidisciplinary interests in one journal entirely devoted to disseminating information on all aspects of research and development of solid-state devices for transducing physical signals. Sensors and Actuators A: Physical regularly publishes original papers, letters to the Editors and from time to time invited review articles within the following device areas: • Fundamentals and Physics, such as: classification of effects, physical effects, measurement theory, modelling of sensors, measurement standards, measurement errors, units and constants, time and frequency measurement. Modeling papers should bring new modeling techniques to the field and be supported by experimental results. • Materials and their Processing, such as: piezoelectric materials, polymers, metal oxides, III-V and II-VI semiconductors, thick and thin films, optical glass fibres, amorphous, polycrystalline and monocrystalline silicon. • Optoelectronic sensors, such as: photovoltaic diodes, photoconductors, photodiodes, phototransistors, positron-sensitive photodetectors, optoisolators, photodiode arrays, charge-coupled devices, light-emitting diodes, injection lasers and liquid-crystal displays. • Mechanical sensors, such as: metallic, thin-film and semiconductor strain gauges, diffused silicon pressure sensors, silicon accelerometers, solid-state displacement transducers, piezo junction devices, piezoelectric field-effect transducers (PiFETs), tunnel-diode strain sensors, surface acoustic wave devices, silicon micromechanical switches, solid-state flow meters and electronic flow controllers. Etc...