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Free-standing graphene oxide mid-infrared polarizers

Zheng, Xiaorui ; Xu, Bing ; Li, Shuo ; Lin, Han ; Qiu, Ling ; Li, Dan ; Jia, Baohua

In: Nanoscale, 2020, vol. 12, no. 21, p. 11480–11488

Mid-infrared (MIR) represents a crucial spectral region for applications in spectroscopy, sensing, imaging, security and industry screening, owing to the strong characteristic vibrational transitions of many important molecules. However, the current MIR compatible materials are fragile, hazardous, and costly, which hampers the performance of MIR devices. Here, we developed a versatile...