UNSW Photovoltaics	COPYRIGHT The material on this site is copyright and owned by the Centre for Photovoltaic Engineering at University of New South Wales, Australia. The material may be copied, provided that textual and graphical content are not altered and that the source is acknowledged. The Centre for Photovoltaic Engineering at the University of New South Wales reserves the right to revoke that permission at any time. Permission is not given for any commercial use or sale of this material. Copyright © University of New South Wales