Green energy
Solar wafer/cell makers ask for higher purity polysilicon
Nuying Huang, Taipei; Jackie Chang, DIGITIMES

As clients require higher energy conversion rates for polysilicon solar cells and there has been an oversupply in the market, makers of solar-grade polysilicon wafers and cells have asked suppliers to hike purity from 7N (99.99999%) to 9N, a quality...

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