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Position-Induced Controllable Growth of Vertically Oriented Graphene Using Plasma-Enhanced Chemical Vapor Deposition
Yifei Ma1, Jiemin Han1, Dewu Yue2
1State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China.
Inorganic Chemistry
|August 10, 2023
Summary
Controlling vertically oriented graphene (VG) morphology via plasma-enhanced chemical vapor deposition is key. This study uses plasma position to tune VG structure, achieving superhydrophobicity and ultrahigh emissivity for black body and infrared thermometer applications.
Area of Science:
- Materials Science
- Plasma Physics
- Nanotechnology
Background:
- Vertically oriented graphene (VG) morphology is crucial for its application performance.
- Controlling VG morphology via plasma-enhanced chemical vapor deposition (PECVD) is an active research area.
- Understanding the relationship between plasma characteristics and VG morphology is essential.
Purpose of the Study:
- To investigate the continuous morphology evolution of VG by controlling plasma parameters.
- To establish a correlation between plasma conditions and VG structure.
- To explore the impact of morphology on VG properties like hydrophobicity and thermal emissivity.
Main Methods:
- Synthesizing VG using plasma-enhanced chemical vapor deposition (PECVD).
- Utilizing the position parameter to systematically vary plasma conditions.
- Diagnosing active species in plasma at different positions.
- Characterizing VG morphology, hydrophobicity, and thermal emissivity.
Main Results:
- Achieved continuous morphology evolution of VG, from porous to wall-like structures.
- Demonstrated a direct relationship between plasma position and VG morphology.
- Obtained VG with an ultrahigh emissivity of 0.999 and superhydrophobicity.
- Identified correlations between plasma active particle states and VG morphology.
Conclusions:
- Plasma position is a simple yet effective parameter for controlling VG morphology in PECVD.
- Tailored VG morphology significantly influences hydrophobicity and thermal emissivity.
- The developed VG materials show promise for black body and infrared thermometer applications.
