Abstract
Optical enhancement of organic solar cells with rectangular metallic gratings as the back contact has been investigated numerically. It is demonstrated that a strongly increased light absorption up to 37% with the plasmonic enhanced effect of metallic gratings has been obtained. In addition, we study the light absorption enhancement at oblique incidence and also get a high absorption enhancement within the incident angle of 30 degree.
© 2011 Optical Society of America
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