According to a report recently organized by the Physicist Organization Network, researchers at North Carolina State University in the United States have used polarized X-ray scattering technology to "see through" organic polymer structures used in printed electronic devices such as transistors and solar cells. Developed cheaper and more efficient printable electronics. Relevant research results were published on the April 15th issue of Nature-Materials. Printed electronics is a revolutionary advanced manufacturing technology that has emerged in the field of microelectronics in recent years. It has caused widespread concern and research in the international material industry, electronics industry, manufacturing industry, and related industries. Printable electrons are created by surface coating or printing inks containing conductive organic molecules. This process can make current solar cells or computer and television displays faster and cheaper to produce. The school physicists Harald Ede and Dr. Brian Collins teamed up with Dr. Michael of the University of California, Santa Barbara, to find out why some process steps lead to better, more efficient equipment. Ed said: "We hope to provide a way to accurately describe the characteristics of these materials, to see what they have and how they work." To this end, Collins and Ed use the powerful X-rays of the Advanced Light Sources (ALS) of the Lawrence Berkeley National Laboratory to see what the individual molecules in these material organizations are. They found that the materials used in the best performing devices have features that are specific to molecular calibration. Collins said: "In the transistor, we found that when the calibration between the molecules increases, the device will perform well. Taking a solar cell as an example, we found that calibrating the molecules at the interface of the device would be the key to more effective light trapping. This is the first time researchers have really seen what really happened under micromolecular conditions.†Collins said: "We hope that this technology will give a deeper understanding of the personnel and manufacturers engaged in the basic research of such materials. Only by understanding how these materials work, can we improve the performance of related equipment and commercial feasibility. "(Hua Ling)
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