DataVXACS Applied Materials & InterfacesPaper
journal article·2020-01-08

Bioinspired Patterned Bubbles for Broad and Low-Frequency Acoustic Blocking

Zhandong Huang, Shengdong Zhao, Meng Su, Qiang Yang, Zheng Li, Zheren Cai, Huanyu Zhao, Xiaotian Hu, Haihua Zhou, Fengyu Li, Jun Yang, Yuesheng Wang, Yanlin Song

ACS Applied Materials & Interfaces· Volume 12· Issue 1
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Source abstract

Abstract

Bubble crystals in water are expected to achieve the broad and low-frequency acoustic band gaps that are crucial for acoustic blocking. However, preparing patterned bubble crystals in water remains a challenge because of the instability of bubbly liquids. Here, inspired by biological superhydrophobic systems, we report a simple and rapid approach to prepare patterned bubble arrays in water and their applications in low-frequency acoustic blocking. Patterned bubbles with the desired size, shape, and position can be prepared. Single-layer bubble arrays can block the sounds at low frequencies because of local resonance. By varying the size and distance of the bubbles without changing the thickness, the operating frequency can change from 9 to 1756 kHz. Besides, by preparing multilayer bubbles, broad and low-frequency acoustic band gaps can be achieved, with the generalized width of γ (ratio of the bandgap width to its start frequency) reaching 1.26. This method provides a feasible strategy to control acoustic waves at low frequencies for applications such as acoustic blocking, focusing, imaging, and detecting.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Acoustic Wave Phenomena Research · Underwater Acoustics Research · Advanced Sensor and Energy Harvesting Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Green Printing, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing Engineering Research Center of Nanomaterials for Green Printing Technology, Beijing National Laboratory for Molecular Sciences (BNLMS), Beijing 100190, P. R. China

School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China

Institute of Engineering Mechanics, Beijing Jiaotong University, Beijing 100044, People’s Republic of China

Department of Mechanical & Materials Engineering, Western University, London N6A 5B9, Canada

Funding

Ministry of Science and Technology of the People's Republic of China · K. C. Wong Education Foundation · Youth Innovation Promotion Association of the Chinese Academy of Sciences · National Natural Science Foundation of China

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