A New Attempt at Alkaline Texturization of Monocrystaline Silicon with Anionic Surfactant as the Additive
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概要
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Owing to the volatilization of isopropanol (IPA), instability in the alkaline texturization of monocrystalline silicon has been a big problem for a long time. Many additives were adapted to replace IPA, such as high boiling point alcohols. In this experiment, as a new attempt, sodium lauryl sulfate (SDS), a type of anionic surfactant, was used as the additive in NaOH solution. The etching properties of silicon in 2 wt % NaOH/15--30 mg/L SDS solution were analyzed. To improve the wettability of silicon, two types of metal salt, NaCl and Na2CO3 with concentration from 2 to 15 wt %, were applied to the 2 wt % NaOH/15 mg/L SDS solution. The results showed that the effect of NaCl was better than that of Na2CO3. Finally, the role of the additive was discussed.
- 2012-10-25
著者
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Zhao Lei
Key Lab Of Automobile Materials Ministry Of Education College Of Materials Science And Engineering Jilin University
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Zhao Lei
Key Laboratory of Solar Thermal Energy and Photovoltaic Systems, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
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Li Hailing
Key Laboratory of Solar Thermal Energy and Photovoltaic Systems, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
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Diao Hongwei
Key Laboratory of Solar Thermal Energy and Photovoltaic Systems, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
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Wang Wenjing
Key Laboratory of Solar Thermal Energy and Photovoltaic Systems, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
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Zhou Chunlan
Key Laboratory of Solar Thermal Energy and Photovoltaic Systems, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China
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