电极
等离子体
材料科学
容性耦合等离子体
化学
光电子学
分析化学(期刊)
感应耦合等离子体
色谱法
量子力学
物理
物理化学
作者
Ho-Jun Moon,Jiwon Jung,Junyoung Park,Chin‐Wook Chung
标识
DOI:10.1088/1361-6595/ad678f
摘要
Abstract The effect of transparent capacitively coupled plasmas (TCCP) is investigated by using a transparent ITO electrode instead of the metal electrode of capacitively coupled plasmas (CCP). To compare the CCP and the TCCP, the CCP is made by coating the powered electrode with metal and the TCCP is made by coating the powered electrode with Indium Tin Oxide (ITO) on the quartz window. To compare the properties of electrodes based on ITO electrodes and metal electrodes in the same size reactor, electrode voltage, electron temperature and electron density were measured at various applied RF powers and pressures at 13.56 MHz. The electron temperature decreases overall with pressure, regardless of the electrode type. We observed that the total voltage between the powered electrode and ground is about two times higher for the TCCP than for the CCP. In addition, the electron density of the TCCP increases significantly by about two times that of the CCP. In this TCCP, the voltage applied to the sheath is calculated based on the fact that the increase in electron density is related to the voltage applied to the sheath. The calculated voltages applied to each sheath of the CCP and the TCCP agree well with our experimental results. In addition, From the calculated total power absorption per unit area, it is found that the total power absorption per unit area is significantly higher in the TCCP than in the CCP.
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