Release date: 2014-02-13
Recently, the research team led by Associate Professor Qiu Zhijun and Professor Liu Wei from Fudan University's School of Information Science and Engineering made breakthroughs in revealing the stability mechanism of organic thin film transistors (OTFTs). The related results will accelerate the large-scale application of flexible electronics. Mass production of wearable electronic devices is possible. Related papers were published in the international authoritative academic journal Nature-Communication published on January 27.
Information technology will enter the era of the Internet of Things, and the foundation of the Internet of Things is the hundreds of millions of information sensing devices. The unique flexibility and extensibility of flexible electronics is the key technology for connecting “things†and “cloudsâ€. Wearable electronics are also closely related.
Since the beginning of the last century, large-area flexible organic thin film transistors (OTFTs) and related integrated circuits have begun to be favored by researchers. However, there has been no large-scale application because there are two major obstacles to this technology: insufficient current drive capability, low mobility, poor reliability, and short life. Since 2008, the research team of Fudan University and the University of Uppsala, Sweden, and the Royal Institute of Technology in Sweden have started a series of studies. Finally, the internal mechanism leading to the change of OTFT performance has been discovered. It is proposed that the water-oxygen electrochemical reaction and the organic film carriers interact with each other. Function model. This model can solve the obstacles in the industrial use of flexible organic thin film transistors. At present, Bio-Patch, a flexible wearable medical device jointly developed by Fudan University and Royal Swedish Institute of Technology, has been able to attach to the surface of the skin like a band-aid, measuring human body ECG and body temperature information in real time. In the future, wearable smart medical devices will increasingly enter the lives of ordinary people.
Source: China Medical Technology Network
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