Summary
According from Scientists Dr Hao Xiaojing at the University of NSW are using non-toxic and abundant materials. The thin-film solar cells are make from copper, zinc, tin and sulphur (CZTS). She said solar cells has been brought closer to reality. The larger-scale solar farms are reach 20% but their cells use toxic materials. However, they can not provide the solar industry demands. Dr Hoa and her team has been use coat range of surface. Therefore, the existing silican-cells boosting the efficiency to 30% or higher.
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