Lightweight acoustic hyperbolic paraboloid diaphragms with graphene through self-assembly nanoarchitectonics.

IF 7.4 3区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Science and Technology of Advanced Materials Pub Date : 2024-11-19 eCollection Date: 2024-01-01 DOI:10.1080/14686996.2024.2421757

Mo Lin, Maxim Trubianov, Kou Yang, Siyu Chen, Qian Wang, Jiqiang Wu, Xiaojian Liao, Andreas Greiner, Kostya S Novoselov, Daria V Andreeva

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Abstract

The paper presents a study on the fabrication of a lightweight acoustic hyperbolic paraboloid (HyPar) diaphragm using self-assembly nanoarchitectonics. The diaphragm is composed of a polyacrylonitrile (PAN) network combined with graphene oxide (GO) nanolayers. Spray coating is employed as a fabrication method, providing a simple and cost-effective approach to create large-scale curved diaphragms. The results demonstrate that the PAN/GO diaphragm exhibits acoustic performance comparable to a commercially available banana pulp diaphragm while significantly reducing weight and thickness. Notably, the graphene-based diaphragm is 15 times thinner and 8 times lighter than the commercial banana pulp diaphragm. This thinner and lighter nature of the graphene-based diaphragm offers advantages in applications where weight and size constraints are critical, such as in portable audio devices or acoustic sensors.

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通过自组装纳米架构技术实现石墨烯与轻质双曲抛物面隔膜的结合。

本文介绍了利用自组装纳米架构制造轻质声学双曲抛物面（HyPar）隔膜的研究。隔膜由聚丙烯腈（PAN）网络和氧化石墨烯（GO）纳米层组成。采用喷涂作为制造方法，提供了一种简单而经济高效的方法来制造大规模曲面隔膜。研究结果表明，PAN/GO 膜片的声学性能可与市售的香蕉纸浆膜片媲美，同时重量和厚度都显著降低。值得注意的是，石墨烯基隔膜比商用香蕉纸浆隔膜薄 15 倍，轻 8 倍。石墨烯基隔膜更薄、更轻的特性为重量和尺寸限制严格的应用（如便携式音频设备或声学传感器）提供了优势。

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来源期刊

Science and Technology of Advanced Materials 工程技术-材料科学：综合

CiteScore

10.60

自引率

3.60%

发文量

审稿时长

4.8 months

期刊介绍： Science and Technology of Advanced Materials (STAM) is a leading open access, international journal for outstanding research articles across all aspects of materials science. Our audience is the international community across the disciplines of materials science, physics, chemistry, biology as well as engineering. The journal covers a broad spectrum of topics including functional and structural materials, synthesis and processing, theoretical analyses, characterization and properties of materials. Emphasis is placed on the interdisciplinary nature of materials science and issues at the forefront of the field, such as energy and environmental issues, as well as medical and bioengineering applications. Of particular interest are research papers on the following topics: Materials informatics and materials genomics Materials for 3D printing and additive manufacturing Nanostructured/nanoscale materials and nanodevices Bio-inspired, biomedical, and biological materials; nanomedicine, and novel technologies for clinical and medical applications Materials for energy and environment, next-generation photovoltaics, and green technologies Advanced structural materials, materials for extreme conditions.