FLEXIBLE AND LARGE-AREA SOUND-EMITTING DEVICE USING REDUCED GRAPHENE OXIDE

被引：0
|
作者：
Tian, He [1 ]
Yang, Yi [1 ]
Xie, Dan [1 ]
Ren, Tian-Ling [1 ]
Shu, Yi [1 ]
Zhou, Chang-Jian [1 ]
Tao, Lu-Qi [1 ]
Liu, Li-Tian [1 ]
机构：
[1] Tsinghua Univ, Inst Microelect, Beijing 100084, Peoples R China
来源：
26TH IEEE INTERNATIONAL CONFERENCE ON MICRO ELECTRO MECHANICAL SYSTEMS (MEMS 2013) | 2013年
基金：
中国国家自然科学基金;
关键词：
SINGLE-LAYER GRAPHENE; PAPER;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Large-area reduced graphene oxide (rGO) is demonstrated to emit sound for the first time. The whole device is flexible. The sound emission from rGO has a linear relationship with frequency in wide sound range (1 kHz similar to 50 kHz). It is suggested that the physic mechanism is fundamentally different from conventional loudspeaker and transducer. Theoretical simulations suggest that the mechanism is related to the thermo-acoustic effect. Due to the excellent characteristics of flexibility and large-area. the rGO sound-emitting device will open wide applications in multimedia, biomedical and many other fields.
引用
收藏
页码：709 / 712
页数：4
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