超薄柔性仿生器件用于声音检测
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- 英文论文题名：Bionic Ultrathin Flexible Sensor in Detect Sound and Vibration
- 论文作者：顾杨 ; 王学文 ; 李铁 ; 吴永进 ; 罗袆 ; 李连辉 ; 张珽
- 英文论文作者：Yang Gu ; Xuewen Wang ; Tie Li ; Yongjin Wu ; Hui Luo ; Lianhui Li ; Ting Zhang ; Suzhou Institute of Nano-Tech and Nano-Bionics ; Chinese Academy of Sciences ; School of Materials Science & Engineering ; Nanyang Technological University
- 年：2016
- 作者机构：中国科学院苏州纳米技术与纳米仿生研究所;新加坡南洋理工大学;
- 论文关键词：柔性 ; 超薄 ; 仿生 ; 声音检测
- 英文论文关键词：Flexible ; Ultrathin ; bionic ; sound detecting
- 会议召开时间：2016-07-01
- 会议录名称：中国化学会第30届学术年会摘要集-第四十一分会：纳米材料与器件
- 语种：中文
- 分类号：TB51
- 学会代码：ZGHY
- 会议名称：中国化学会第30届学术年会-第四十一分会 ; 纳米材料与器件
- 会议地点：中国辽宁大连
- 主办单位：中国化学会
- 学会名称：中国化学会
- 页数：1
- 文件大小：237k
- 原文格式：D
- 会议级别：全国
摘要
声音是人类在日常生活中进行信息交流的重要媒介。人耳耳膜不仅轻薄而且能够灵敏地感知到声音。但是目前的传声器中所采用的材料主要是高杨氏模量的刚性材料,这种类型的器件无法被拉伸和弯折。因此制备高性能的柔性声音传感器在人耳仿生、医疗健康等领域具有重要的意义。我们通过仿生人耳结构,成功地制备了一种超薄(50微米),超快响应速度(38微秒),高信噪比(55分贝)的带有微纳结构的柔性器件。通过对器件所测得的时域和频域图的分析,该器件能够有效的检测和记录声音。实验发现器件对声音的灵敏度与器件的厚度,拉伸的状态以及微结构相关。这种器件还能够被应用于语音识别和字迹识别。
Sound is a crucial medium for daily information interchange. Human eardrum are able to detect sound with high sensitivity with light and thin structure. However, microphone usually made of rigid and high modulus materials, which is unable to stretch and fold. Hence, it is very attractive to design a flexible sound detect senor with high sensitivity of sound transducing and recording functions. We fabricated a 50 μm thick micro-patterned flexible sensor to record sound with fast response time(40 μs) and high signal-to-noise ratio(55 d B). The time-domain and frequency-domain plot showed our sensor has high quality in detecting and recording sound. Experiment study revealed that the micro pattern, thickness and strain state have a huge impact on performance of the sensor. In addition, the flexible sensor can be used in voice recognition and handwriting recognition.
Sound is a crucial medium for daily information interchange. Human eardrum are able to detect sound with high sensitivity with light and thin structure. However, microphone usually made of rigid and high modulus materials, which is unable to stretch and fold. Hence, it is very attractive to design a flexible sound detect senor with high sensitivity of sound transducing and recording functions. We fabricated a 50 μm thick micro-patterned flexible sensor to record sound with fast response time(40 μs) and high signal-to-noise ratio(55 d B). The time-domain and frequency-domain plot showed our sensor has high quality in detecting and recording sound. Experiment study revealed that the micro pattern, thickness and strain state have a huge impact on performance of the sensor. In addition, the flexible sensor can be used in voice recognition and handwriting recognition.
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