The plasma diagnosis by optical emission spectroscopy for the study of phosphorus doped nanocrystalline silicone film growth

Hsiang Chih Yu, Yu Lin Hsieh, Chia Cheng Lu, Chien Chieh Lee, Jenq Yang Chang, I. Chen Chen, Tomi T. Li

研究成果: 書貢獻/報告類型會議論文篇章同行評審

摘要

Phosphorus doped nanocrystalline silicon (nc-Si) that deposited on a p-type silicon substrate was prepared by standard radio-frequency plasma enhanced chemical vapor deposition (RF-PECVD). The optical emission spectroscopy (OES) is used as a diagnostic tool for analyzing the processing species and intensity in plasma. The obtained SiH - spectra are recorded to explain results from the deposition rate of nanocrystalline silicon. The deposition rate increases with increasing power when the electrode distance, working pressure and total flow rate are fixed. Moreover, we also describe ratios of Hα - / SiH - and Si - / SiH - to represent the crystallization rate index and electron temperature respectively. Based on OES results, we can utilize plasma spectra as database to monitor film properties. The spectroscopic ellipsometer (SE) and hall measurements were used to further study the growth rate, crystallinity, and electrical property of the films. Under the process conditions of 225°C substrate temperature, 11mW/cm2 power density, 300mTorr working pressure and 30mm electrode distance, the best optimized n-type nc-Si films on a 4cm2 bifacial p-type Cz silicon wafer were obtained.

原文???core.languages.en_GB???
主出版物標題China Semiconductor Technology International Conference 2016, CSTIC 2016
編輯Hanming Wu, Hsiang-Lan Lung, Ying Shi, Dong Chen, David Huang, Qi Wang, Kuochun Wu, Ying Zhang, Cor Claeys, Steve Liang, Ru Huang, Beichao Zhang, Peilin Song, Jiang Yan, Qinghuang Lin, Kafai Lai
發行者Institute of Electrical and Electronics Engineers Inc.
ISBN(電子)9781467388047
DOIs
出版狀態已出版 - 2 5月 2016
事件China Semiconductor Technology International Conference, CSTIC 2016 - Shanghai, China
持續時間: 13 3月 201614 3月 2016

出版系列

名字China Semiconductor Technology International Conference 2016, CSTIC 2016

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???event.eventtypes.event.conference???China Semiconductor Technology International Conference, CSTIC 2016
國家/地區China
城市Shanghai
期間13/03/1614/03/16

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