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Investigation of texturization for monocrystalline silicon solar cells with different kinds of alkaline

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  • Xi, Zhenqiang
  • Yang, Deren
  • Dan, Wu
  • Jun, Chen
  • Li, Xianhang
  • Que, Duanlin

Abstract

In this paper, monocrystalline silicon was textured with different kind of etchants for solar cells, respectively. It was found that, only with sodium hydroxide (NaOH) or sodium acetate anhydrous (CH3COONa) solution, the textural results were very weak, resulting in high reflectance of silicon surface. However, if using the mixture solution of NaOH and CH3COONa, the reflectance was noticeably decreased. Moreover, the dependence of reflectance on the etching time showed that longer etching time was necessary for texturization in the NaOH+CH3COONa+H2O system. And it was also found that the addition of isopropyl alcohol (IPA) to this mixture solution had a detrimental effect on the texturization. All these results suggested that acetate (CH3COO−) plays a similar role as IPA for alkaline texturization, but they cannot coexist. Finally, the mechanisms of texturization with different kinds of etchant were discussed in detail.

Suggested Citation

  • Xi, Zhenqiang & Yang, Deren & Dan, Wu & Jun, Chen & Li, Xianhang & Que, Duanlin, 2004. "Investigation of texturization for monocrystalline silicon solar cells with different kinds of alkaline," Renewable Energy, Elsevier, vol. 29(13), pages 2101-2107.
    • Handle: RePEc:eee:renene:v:29:y:2004:i:13:p:2101-2107
    DOI: 10.1016/j.renene.2004.03.003
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    Cited by:

    1. Abdullah, M.F. & Alghoul, M.A. & Naser, Hameed & Asim, Nilofar & Ahmadi, Shideh & Yatim, B. & Sopian, K., 2016. "Research and development efforts on texturization to reduce the optical losses at front surface of silicon solar cell," Renewable and Sustainable Energy Reviews, Elsevier, vol. 66(C), pages 380-398.
    2. Gangopadhyay, U. & Kim, K. & Dhungel, S.K. & Basu, P.K. & Yi, J., 2006. "Low-cost texturization of large-area crystalline silicon solar cells using hydrazine mono-hydrate for industrial use," Renewable Energy, Elsevier, vol. 31(12), pages 1906-1915.

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