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Code for colorimetric 2D materials thickness estimation

Abstract: We provide a colorimetric method based on optical imaging for the quantitavie determination of the thickness of exfoliated 2D materials on arbitrary substrates.

Requirements: MATLAB Code: generate_color_bar.m calculates the aparent color in reflection of a 2D material on a arbitrary substrate as a function of its thickness. Inputs include thicknesses and refractive indices of the multilayer system, illuminant (light sources of the microscope), observer, numerical aperture of the objective. Generates your_color_bar.jpg (plot of the apparent color as a function of the thickness of the 2D material) and thickness_colorcoordinates_matrix.txt (file containing a matrix with the RGB coordinates for each thickness of the 2D material). calculate_thickness.m Inputs include RGB color coordinates extracted from the micrograph image and the corresponding file generated by generate_color_bar.m i.e., thickness_colorcoordinates_matrix.txt. Generates the estimated thickness.

Repositorio: Zenodo

 Año de publicación: 2021

 DOI: 10.5281/zenodo.5116286

 Citación completa: Gutierrez, Y. (2021). Code for colorimetric 2D materials thickness estimation. [Dataset]. (Version 1). Zenodo. https://doi.org/10.5281/zenodo.5116286

Autoría

GUTIÉRREZ, YAEL

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