Application of three-dimensional graphene in sound generation via thermoacoustics

• Main Author: Ngoh, Zhi Lin
• Other Authors: Teo Hang Tong Edwin
• Format: Thesis-Doctor of Philosophy
• Language: English
• Published: Nanyang Technological University 2021
• Subjects: Engineering::Electrical and electronic engineering::Nanoelectronics; Engineering::Electrical and electronic engineering::Electronic apparatus and materials
• Online Access: https://hdl.handle.net/10356/152988; https://doi.org/10.1016/j.carbon.2020.06.045
• Institution: Nanyang Technological University

Piezoelectric transducers are currently being used in sound generation applications such as medical ultrasound, ultrasound cleaners, microwave imaging and Sound Navigation and Ranging (SONAR). However, piezoelectric transducers have a small operating frequency band and large material size is require...