Roll-Up TVs and Bendable Smartphones: Toward More Choices for Flexible Electronic Materials Have you heard of foldable smartphones? How about the flexible television screen that rolls up into a box? Or the ultrathin "wallpaper" TVs that are just millimeters thick? A future with foldable, bendable, flexible and ultrathin electronics is fast becoming our present. The materials responsible for these consumer goods are typically polymers — plastics — that conduct electricity. To better understand this promising class of substances, scientists at the National Institute of Standards and Technology (NIST) developed a technique that uses light to quickly and accurately test materials' conductivity — and potentially reveal behavior that other methods could not. Now, the NIST team has demonstrated the further usefulness of this light-based method by using it to uncover behavior in one polymer that no one had seen before. |
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