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Chao Meng, Yao Xiao, Pan Wang, Lei Zhang, Yanxin Liu and Limin Tong Quantum-Dot-Doped Polymer Nanofibers for Optical Sensing Advanced Materials 23

Version of Record online: 18 JUL 2011 | DOI: 10.1002/adma.201101392

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High-quality quantum-dot/polystyrene nanofibers (QD/PS NFs) are synthesized by drawing solvated PS doped with CdSe/ZnS QDs. As-drawn QD/PS NFs offer ultra-long-term photostability, flexibility, and excellent optical properties for sensing applications. Based on these active NFs, optical humidity sensors with extremely low power consumption, fast response, and long-term stability are successfully demonstrated, which may lead to a new category of nanometer-scale optical sensors.

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