Abstract
The characteristics of the microwave surface-wave plasma discharge at atmospheric pressure and the control of the gas mixture (Ar/H2/CH4) in the deposition chamber, together with the temperature of the metallic substrate, are important parameters in the processes of deposition of vertical graphene nanosheets. Since obtaining carbon nanostructures necessitates regulating the substrate temperature in the range 550 – 980 °C, we developed an electronic system based on an Arduino Uno microcontroller. It was designed to automatically measure and control the temperature of the substrate heater with the capability of varying smoothly the temperature by a PID-regulator. The measurements were carried out by a K-type thermocouple, whose hot end was placed at the point of measuring the temperature. The resulting thermoelectric voltage was amplified by a MAX 31855 amplifier, followed by processing by the microcontroller and subsequent determination of the temperature. This system offers the possibility of controlling accurately the temperature as required by the regime of deposition.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
