Direct Synthesis of Graphene Layer Covered Micro Channel on Diamond Surface Using Ni Wire
In order to propose a new simple method for the fabrication of a microchannel covered with a graphene layer on a diamond substrate, the application of a phase transition via a solid solution phenomenon, that is, the dissolution of a thermodynamic-metastable phase and the deposition
of a thermodynamic-stable phase, was performed in this study. A CVD diamond film in contact with a Ni wire (100 micrometers in diameter) was heated under flowing H2. The experimental results in this study proved that a micro-channel (ca. 5 micrometers deep) covered with a graphene
layer, the stacking number of which was more than 6, can be successfully patterned on a diamond substrate. The etching rate was estimated to be ca. 1.3–1.4 μm h−1. It was proved based on the experimental data from this study that this method can be used to
fabricate a microreactor on a diamond substrate although the technique may be refined.
Keywords: Coating Materials; Phase Transitions; SEM; Scanning Electron Microscopy; Solid State Reactions
Document Type: Research Article
Affiliations: 1: Department of Applied Chemistry, Faculty of Engineering, Kyushu Institute of Technology, 1-1 Sensuicho, Tobata-ku, Kitakyushu, Fukuoka, 804-8550, Japan 2: Department of Integrated System Engineering, Faculty of Engineering, Kyushu Institute of Technology, 1-1 Sensuicho, Tobata-ku, Kitakyushu, Fukuoka, 804-8550, Japan
Publication date: 01 June 2018
- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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