I have some CVD graphene on copper that I need to cut into circular discs. I can obviously do it using scissors but it wouldn't be super precise and can damage the film in surrounding areas. Would anyone have any suggestions for better suited tools?
For copper foil cutting we used an industrial UV/C02 laser drilling machine or a Cricut Explore Air 2 equipped with a steel carbide blade, both leading to good results. We compared the methods in our paper: researchgate.net/publication/344267551_A_new_approach_to_evaluate_the_elastic_modulus_of_metallic_foils
Dear Aayush Chadha
I used to use this little cutter
https://www.alibaba.com/product-detail/Laboratory-Manual-Coin-Cell-Punching-Cutter_1600824890124.html?spm=a2700.details.maylikeexp.1.4a1b2161KoWYEN
But, sometimes the cutting tool cannot perform a perfect cut (sometimes the foil got crumpled at the border, caused by non-sharpen edge) . To avoid this situation, you can use a fine stainless steel mesh under the copper foil. This mesh will prevent the miscutting edges
Thank you all for your answers. Punching was quite destructive for my purpose so I am going to look into laser cutting!
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