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Industrial PERC Solar Cell Processing with a High Power Nanosecond Pulsed Laser

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Industrial PERC Solar Cell Processing with a High Power Nanosecond Pulsed Laser

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Crystalline-silicon (c-Si) solar cells continue to be a leader amongst the various competing solar cell technologies. The reasons for this include a stable supply of silicon, well-developed manufacturing processes, and, of course, the high and increasing conversion efficiencies that can be achieved. Here, we report on a relatively straightforward, laser-based manufacturing process for Passivated Emitter Rear Cell or Contact (PERC) technology that has been shown to generate absolute cell efficiency gains of a percentage point or more over conventional cells.

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