Optimization of thermal processing and device design for high-efficiency c-Si solar cells
To improve the cell performance of single-crystal silicon solar cells, the process conditions have been optimized by monitoring the bulk lifetime after each thermal step in the cell fabrication process. The emitter geometry, i.e., front and rear contact size and pitch were optimized, and the cells w...
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| Veröffentlicht in: | Solar energy materials and solar cells 1997-11, Vol.48 (1), p.137-143 |
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| container_title | Solar energy materials and solar cells |
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| creator | Warabisako, T. Uematsu, T. Muramatsu, S. Tsutsui, K. Ohtsuka, H. Nagata, Y. Sakamoto, M. |
| description | To improve the cell performance of single-crystal silicon solar cells, the process conditions have been optimized by monitoring the bulk lifetime after each thermal step in the cell fabrication process. The emitter geometry, i.e., front and rear contact size and pitch were optimized, and the cells were fabricated through a set of environmentally considered processes, especially for surface treatment, oxidation, diffusion, and electrode fabrication. Conversion efficiency of 22.3% in a 4 cm
2 cell, and 22.6% in a 1 cm
2 cell, was attained, respectively, with structural features of SiO
2 single-AR, “inverted-pyramid” fron texture, point-contact with line-emitter for front electrodes, and locally diffused BSF for rear contacts. |
| doi_str_mv | 10.1016/S0927-0248(97)00085-8 |
| format | Article |
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2 cell, and 22.6% in a 1 cm
2 cell, was attained, respectively, with structural features of SiO
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2 cell, and 22.6% in a 1 cm
2 cell, was attained, respectively, with structural features of SiO
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2 cell, and 22.6% in a 1 cm
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| ispartof | Solar energy materials and solar cells, 1997-11, Vol.48 (1), p.137-143 |
| issn | 0927-0248 1879-3398 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Carrier lifetime Crystalline silicon High efficiency Optimization Silica Single crystals Solar cells Thermal process |
| title | Optimization of thermal processing and device design for high-efficiency c-Si solar cells |
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