Yunchao Xu graduated from the School of Physics and Electronic Engineering of Hengyang Normal University in 2017 with a bachelor's degree. In 2020, I graduated from The School of Physics and Electronics of Central South University and got the master degree. After that, he started his doctoral study in September 2020 under the guidance of Professor Sun Jia from the School of Physics and Electronics, Central South University. The main research direction is flexible stretchable transistors.