Credit: WikiPedia
To date, a problem with producing electricity with photovoltaic solar cells has been efficiency, typically peaking at 19%. Conventionally, such efficiency is only achieved using the highest quality (& most expensive) silicon. Now, engineers at the University of New South Wales have found a method to increase efficiency to between 21 & 23% using lower quality silicon, promising higher efficiency at lower cost.
http://www.businessspectator.com.au/news/2013/5/7/solar-energy/australian-solar-breakthrough-could-see-panel-prices-fall-efficiency-rise?utm_source=exact&utm_medium=email&utm_content=283596&utm_campaign=cs_daily&modapt / PV photo voltaic photovoltaic solar cell silicon hydrogen quality efficiency price cost of production /
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