The South African who developed technology that made solar panels significantly less expensive

Daniel Puchert

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The South African inventor who revolutionised solar power

In 2005, former University of Johannesburg physics professor Vivian Alberts invented solar panel technology that uses a thin metallic film instead of the considerably more expensive and thicker silicon-based solar cells.

Alberts spent 20 years developing the technology, which was patented in more than 100 countries by the Photovoltaic Technology Intellectual Property (PTiP), starting in 2007.
 
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