| Authors: | H. Shen, B. Maes | | Title: | Plasmonic enhancement in organic solar cells with metallic gratings | | Format: | International Conference Proceedings | | Publication date: | 12/2011 | | Journal/Conference/Book: | 16th Annual Symposium of the IEEE Photononics Benelux Chapter
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Abstract
We propose an organic solar cell structure with combined silver gratings consisting of both a front and a back grating. It provides multiple, semi-independent enhancement mechanisms which act additively, so that a broadband absorption is obtained. Rigorous simulations show an optimized period of 490nm, with front grating elements of 60 by
10nm and back elements of 60 by 30nm. With these parameters an integrated absorption enhancement factor around 1.35 is observed, with absorption increasing from 48% to 65% under TM polarized light. Moreover, the proposed structure does not have large absorption suppression for TE polarized light. Related Research Topics
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