22 February 2012 Light concentration in polymer bulk heterojunction solar cells with plasmonic nanoparticles
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Abstract
We investigate the light concentration effect of localized surface plasmon resonance by embedding a layer of silver nanoparticles in the low band gap polymer bulk heterojunction solar cells. Particle electromagnetic interaction is demonstrated by using the 3-dimensional finite-difference time-domain computational method. This nanostructure exhibits broadband optical absorption enhancement and weak dependence on incident light polarization. The optical concentration mechanism is discussed by near-field distribution analysis. This method can be used to optimize the design of plasmonic organic solar cells for high energy conversion efficiency.
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Jinfeng Zhu, Baoqing Zeng, Richard S. Kim, Zhe Wu, "Light concentration in polymer bulk heterojunction solar cells with plasmonic nanoparticles", Proc. SPIE 8333, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Devices and Integration, 83331C (22 February 2012); doi: 10.1117/12.914545; https://doi.org/10.1117/12.914545
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