Dr. Yeuh-Lin Loo, an Assistant Professor in Chemical Engineering, has led a team of Princeton, University of Texas – Austin, Pennsylvania State University, University of California – Santa Barbara, and Dupont researchers in developing a conductive plastic that takes the place of expensive indium tin oxide (ITO) used in solar cells, flat-screen TVs, and other electronic devices with display screens. ITO, a byproduct of mining, is rare and expensive, but a necessity in today’s electronics. An inexpensive substitute would be desirable in bringing costs down and removing pressure from the growing demand for ITO. Loo comments on this in the Princeton press release. “The cost of indium tin oxide is skyrocketing. To bring down the costs of plastic solar cells, we need to find a replacement for ITO. Our conducting plastics allow sunlight to pass through them, making them a viable alternative.” ITO has the characteristic of allowing sunlight to pass through its transparent structure, enabling its collection and conversion …
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