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学术报告

日期: 2017-09-05     阅读次数:27

报告题目:Printed electronic devices with inorganic materials

报告人:Dr. WANG Ye, Singapore University of Technology and Design

报告时间:2017913日上午9:30

报告地点:本部逸夫楼现代光学技术研究所3楼会议室

 

报告摘要:

Printing technology has been developed more than 2000 years and the related products play a critical role in our daily life and civilization. The printed electronics only developed for several decades and still in its infant stage. Compared with the printed organic electronics, more and more research is focusing on inorganic electronics due to its more stable performance, cheaper raw materials, less fabrication process and lower cost assembling. In this work, we summarize our research on the printed electronic devices with inorganic materials, including thin film transistors (TFTs), supercapacitor and lithium ion batteries (LIBs). For example, we employed ink-jet printing technology to fabricate In-Ga-Zn oxide TFTs with a high mobility of 1.41 cm2/V s and on/off ratio of 4.3e7. As for the energy storage devices, screen printing technology was introduced to fabricate solid-state flexible microsupercapacitors for the first time. It is worth mentioning that the developed technology is a general route to print various active materials into microsupercapacitors onto different substrates, including glass, PET plastic film and even printing paper. We have integrated CNT, onion-like carbon (OLC), MnO2/OLC, CoO/CNT etc. into the flexible microsupercapacitors by screen printing technology and the devices exhibit excellent electrochemical performance even under bended status. We also developed flexible LIBs with sandwich structure with 3D printing technology. The detailed mechanism and working principle is still under investigation.

 

 

报告人简介:

WANG Ye received his Master of Science degree from University of Science and Technology of China (USTC), HeFei, China, in 2007, and the Ph.D degree from the Nanyang Technology University (NTU), Singapore, in 2013.

From 2011, he works as a Research Fellow in Singapore University of Technology and Design (SUTD). He has authored or coauthored more than 40 international journal papers and 1 US patent. His research interests include printed optoelectrical devices and energy storage devices, including thin film transistors, sensors, lithium/sodium ion batteries, supercapacitors etc.



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