Application of semiconductor nanocrystals to photovoltaic energy conversion devices

Solar radiation is a plentiful and clean source of power. However, due to the high cost of electrical conversion on a per-watt basis, conventional solar cells have not been exploited to their full potential. In this white paper, Evident Technologies, Inc. discusses how the cost per watt can be reduced by increasing the efficiency of solar cells and by reducing their cost to manufacture. The manufacturer of semiconductor nanocrystals also discusses its technology that could enable widespread use of solar energy conversion—reducing our dependence on fossil fuels.

The high price for solar cells is largely due to the use of expensive substrate materials and costly microfabrication processing. CdSe and PbSe semiconductor nanocrystals (EviDots) are ideally suited as solar cell material due to the ability to time the electronic bandgap and, hence, optimize a solar cell for maximum efficiency.

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