Nano-paper organic transistor comes out
Nano-paper organic transistor comes out
Professor Huang Jia of the School of Materials Science and Engineering at Tongji University and Hu Liangbing, a professor of the Department of Materials Science and Engineering at the University of Maryland in the United States, jointly completed a research paper "Transparent Flexible Nano-Paper Transistor" published online in the authoritative journal ACS Nano in the field of nanoscience and technology.
"Transparency and bendability are two important directions for the future development of electronic products. The biggest innovation of this achievement is the integration of several functions and characteristics of full transparency, bendability and degradability on one device at the same time." Huang Jia said that if the electronic products are made of plastic, although they are flexible and transparent, they cannot be degraded, and eventually they will generate a lot of electronic waste. However, to make electronic products on paper, they will face many difficulties. The preparation process presents challenges.
Huang Jia said that the research team specially treated the wood pulp fiber used in ordinary papermaking to make its scale reach the nanometer level. The "nano paper" produced in this way can effectively reduce the absorption and scattering of light, not only become transparent, but also its surface is as smooth as plastic, which lays an important foundation for the subsequent preparation of excellent transistors on it. Using this new type of "nano paper" as a substrate material, the research team prepared a flexible transistor composed of carbon nanotubes, an insulating layer, and an organic semiconductor with a transparency of up to 84%. The actual performance test shows that even if the entire device is bent at a radius of 3.5 mm, the transparent transistor on it can still maintain excellent performance.
"'Solubility' is a major advantage of organic semiconductor materials, which also makes it possible to prepare devices by full printing, which will greatly reduce the cost of electronic products." Huang Jia said, "Perhaps in the near future, people You can use renewable resources to print transparent and bendable electronic devices, similar to paper electronic products like the "Magic Newspaper" in the movie "Harry Potter". In theory, this will be towards environmentally friendly paper The first step in quality electronic products. "
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