【摘 要】
：
Confocal Raman microscopy is important for characterizing 2D materials,but its low throughput significantly hinders its applications.For metastable materials su
【机 构】
：
Physics of Complex Fluids, MESA+ Institute for Nanotechnology,University of Twente,Enschede 7500 AE,
论文部分内容阅读
Confocal Raman microscopy is important for characterizing 2D materials,but its low throughput significantly hinders its applications.For metastable materials such as graphene oxide (GO),the low throughput is aggravated by the requirement of extremely low laser dose to avoid sample damage.Here we introduce algorithm-improved confocal Raman microscopy (ai-CRM),which increases the Raman scanning rate by one to two orders of magnitude with respect to state-of-the-art works for a variety of 2D materials.Meanwhile,GO can be imaged at a laser dose that is two to three orders of magnitude lower than previously reported,such that laser-induced variations of the material properties can be avoided,ai-CRM also enables fast and spatially resolved quantitative analysis,and is readily extended to 3D mapping of composite materials.Since ai-CRM is based on general mathematical principles,it is cost-effective,facile to implement and universally applicable to other hyperspectral imaging methods.
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