Stretchable Light-Emitting Material Could Power the Future of Photonics A team of researchers at UCLA’s California NanoSystems Institute (CNSI) has unveiled a breakthrough in light-emitting materials that could accelerate the development of photonic technologies—devices that use light in much the same way electronics use electrical signals. At the heart of their discovery is molybdenum disulfide (MoS₂), a semiconductor only three atoms thick, paired with Nafion, a polymer commonly used in fuel c

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