Optical Transition and Manipulation are most important issues for the devices and their applications of solar energy. In this talk, we present some key regulations for the design and preparation of solar cell and related solar energy devices, such as wider spectroscopy of absorption, higher absorption coefficient and longer optical absorption route, less recombination of photo-generated carriers, etc.. A novel development tendency of solar PV techniques has been also discussed.

© 2015 Optical Society of America

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