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- W2804485771 abstract "Abstract In this study, we show that the efficiency and carrier life time of multi-crystalline silicon solar cells were significantly improved by using a low pressure (20,000 Pa) and temperature (650 °C~750 °C) environment grown thermal oxide (TO) as the surface passivation layer. In this experiment, during the first stage, the oxidation process was done at 650 °C and a lower pressure of 20,000 Pa for 2 mins under the flow a gas mixture of N2/O2 in ratio of 2:1. In the second stage, a temperature of 750 °C was used at the same pressure for the post-growth annealing process under a pure N2 ambient for 25 mins. Consequently, conversion efficiency was significantly increased by 0.55% with the surface passivation layer grown by low pressure and temperature TO process. The sheet resistance, carrier lifetime, internal quantum efficiency (IQE), increased by 6.32 Ω/sq., 22.18 μs, 4.33%, respectively, and the average reflection was reduced of 0.62%. Thus, the low pressure and temperature thermal oxidation process was an efficient way to increase the efficiency of the multi-crystalline silicon solar cells." @default.
- W2804485771 created "2018-06-01" @default.
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- W2804485771 date "2018-08-01" @default.
- W2804485771 modified "2023-10-16" @default.
- W2804485771 title "Effect of surface passivation by a low pressure and temperature environment-grown thermal oxide layer for multi-crystalline silicon solar cells" @default.
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- W2804485771 doi "https://doi.org/10.1016/j.tsf.2018.05.047" @default.
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