Colorimetry technique for scalable characterization of suspended graphene
arXiv:1608.04865 · doi:10.1021/acs.nanolett.6b02416
Abstract
Previous statistical studies on the mechanical properties of chemical-vapor-deposited (CVD) suspended graphene membranes have been performed by means of measuring individual devices or with techniques that affect the material. Here, we present a colorimetry technique as a parallel, non-invasive, and affordable way of characterizing suspended graphene devices. We exploit Newton rings interference patterns to study the deformation of a double-layer graphene drum 13.2 micrometer in diameter when a pressure step is applied. By studying the time evolution of the deformation, we find that filling the drum cavity with air is 2-5 times slower than when it is purged.
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Cited by in corpus (9)
- Nanoelectromechanical Sensors based on Suspended 2D Materials
- Proton-driven patterning of bulk transition metal dichalcogenides
- Graphene mechanical pixels for Interferometric MOdulator Displays (GIMOD)
- Amplitude calibration of 2D mechanical resonators by nonlinear optical transduction
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