코발트와 니켈이 스퍼터링된 구리 포일에서 어닐링 시간에 따른 그래핀 성장
Graphene Growth on the Cobalt and Nickel Sputtered Cu foil Depending on the Annealing Time
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Graphene which grown on the cobalt or nickel sputtered copper foil depending on the annealing time was studied. Graphene on the copper foil grown by chemical vapor deposition was compared to those on cobalt or nickel sputtered copper foil by using a RF (Radio Frequency) magnetron sputtering at room temperature. FLG(few-layer graphene) was identified independent of substrates by Raman and X-Ray Photoelectron Spectroscopy analyses. On copper foil, size and area fraction of the graphene growth increased until 30 minutes annealing and then didn’t changed. Comparing to that, graphene on the cobalt refined till 50 minutes annealing, after then the effect disappeared which means a similar shape to that on copper foil. On nickel the graphene refined irrespective of annealing time that is possibly because of the complete solid solution of nickel with copper.
Abstract
Graphene which grown on the cobalt or nickel sputtered copper foil depending on the annealing time was studied. Graphene on the copper foil grown by chemical vapor deposition was compared to those on cobalt or nickel sputtered copper foil by using a RF (Radio Frequency) magnetron sputtering at room temperature. FLG(few-layer graphene) was identified independent of substrates by Raman and X-Ray Photoelectron Spectroscopy analyses. On copper foil, size and area fraction of the graphene growth increased until 30 minutes annealing and then didn’t changed. Comparing to that, graphene on the cobalt refined till 50 minutes annealing, after then the effect disappeared which means a similar shape to that on copper foil. On nickel the graphene refined irrespective of annealing time that is possibly because of the complete solid solution of nickel with copper.
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