Taiwan University of Science and Technology innovation of polymer materials to reduce the cost of photovoltaic cells and OLED

Professor Liao Dezhang, Professor of the Department of Chemical Engineering and Honors of Dept. of Chemical Engineering at Taiwan University of Science and Technology, and Dai Yan, professor of the Department of Chemical Engineering of Tai Keda University, and Dr. Zhang Qiang and Wang Yuting, Ph.D. students of Taiwan University of Science and Technology, and Professor Michael Zharnikov from the University of Heidelberg, Germany, jointly announced that this is the first time that electrodes have been developed for both electrodes. The use of electrode buffer layer materials, innovative practices can be applied to solar cell power generation, light-emitting diodes (OLED), will help promote the development of solar and mobile device soft board.

Liao Dezhang said that the electrode buffer layer is an organic photoelectric element and is a key structure of solar cells and light-emitting diodes. It can connect cathode and anode electrodes and organic semiconductors. The buffer layer material can enhance the performance of organic photovoltaic elements. In the past, scientists had to look for two different materials, using two different materials as the anode and cathode buffer layers of a photovoltaic element, which not only increased the material cost, but also made the components more complicated in mass production.

For the first time, Tektronix’s research team proposed the concept of innovation and developed a novel copolymerized polymer material. The same material can be used as a cathode and an anode buffer layer, respectively. This novel polymer material has been successfully used in high-performance organic hybrid Perovskite solar cells, organic polymer solar cells, and organic light-emitting diodes (OLEDs) as element cathode and anode buffer layers. In addition to the research results published in the top international journals, it has also obtained patents in Taiwan and the United States.

Tektronix research team said that the anode and cathode are of different polarities, and generally require a buffer layer of different materials to conduct the transfer separately. However, the team has developed innovative polymer materials that change the characteristics of the material with solvents to make it hydrophilic. Hydrophobic two features, from the hydrophobic surface conductive holes, hydrophilic surface conductivity. A single material can be used as an electrode buffer layer, which will help simplify the solar cell process and reduce costs.

Taiwan University of Science and Technology's research results will help simplify the manufacturing process of solar cells and OLEDs, thereby reducing manufacturing costs and improving efficiency. For the future development of solar energy sources, smart phone, tablet, wearable devices and other OLED soft board development and application will produce Positive influence.

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