A new energy efficient, environment friendly and high productive texturization process of industrial multicrystalline silicon solar cells
A new texturization process based on a uniform, isotropic and slow removal of silicon, using a composition of sodium hydroxide (NaOH) and sodium hypochlorite (NaOCl) solution at an elevated temperature is developed recently for multicrystalline silicon solar cells. This process is applied in optimiz...
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| Veröffentlicht in: | Renewable energy 2009-12, Vol.34 (12), p.2571-2576 |
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| container_title | Renewable energy |
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| creator | Basu, P.K. Dhasmana, H. Udayakumar, N. Thakur, D.K. |
| description | A new texturization process based on a uniform, isotropic and slow removal of silicon, using a composition of sodium hydroxide (NaOH) and sodium hypochlorite (NaOCl) solution at an elevated temperature is developed recently for multicrystalline silicon solar cells. This process is applied in optimized condition in regular industrial production line and it immediately replaces the old popular industrial process of texturization using a combination of NaOH solution, alcoholic NaOH solution and hydrochloric acid solution in different steps at a higher temperature. Also the gain in solar cell efficiency at global AM1.5 spectrum, 1 SUN intensity condition is nearly 10% in final value. In addition, it has become finally an energy efficient and environment friendly texturization process for large area multicrystalline silicon solar cells for commercial use. In this paper the cost effectiveness and environment friendly aspects of the proposed process have been studied in detail along with the surface texture analysis of wafers with SEM and AFM micrographs to substantiate the reasons behind the above facts. |
| doi_str_mv | 10.1016/j.renene.2009.04.017 |
| format | Article |
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This process is applied in optimized condition in regular industrial production line and it immediately replaces the old popular industrial process of texturization using a combination of NaOH solution, alcoholic NaOH solution and hydrochloric acid solution in different steps at a higher temperature. Also the gain in solar cell efficiency at global AM1.5 spectrum, 1 SUN intensity condition is nearly 10% in final value. In addition, it has become finally an energy efficient and environment friendly texturization process for large area multicrystalline silicon solar cells for commercial use. 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| ispartof | Renewable energy, 2009-12, Vol.34 (12), p.2571-2576 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Cost effectiveness Economic data Energy Energy economics Exact sciences and technology General, economic and professional studies Industrial multicrystalline silicon solar cells Isotropic texture using NaOH–NaOCl Natural energy Photovoltaic conversion Quality improvement analysis Solar cells. Photoelectrochemical cells Solar energy |
| title | A new energy efficient, environment friendly and high productive texturization process of industrial multicrystalline silicon solar cells |
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