AI Article Synopsis
- * The cover features a hexagonal array of nanocones, created through a process called nanoimprinting, which significantly improves light absorption when attached to a glass cover.
- * Testing showed a 2-13% increase in power conversion efficiency at angles from 0 to 60 degrees, and simulations confirmed that this design remains effective across different seasons in South Korea.
Article Abstract
We demonstrated that a well-designed nanopatterned cover improves photovoltaic efficiency across a wide range of incident angles (θ). A nanopatterned cover was created using an integrated ray-wave optics simulation to maximize the light absorption of the surface-textured Si photovoltaic device. A hexagonally arranged nanocone array with a 300 nm pitch was formed into a polymer using nanoimprinting, and the nanostructured polymer was then attached to a glass cover with an index-matching adhesive. Angle-resolved current density-voltage measurements on Si photovoltaic devices showed that the nanopatterned glass cover yielded a 2-13% enhancement in power conversion efficiency at θ = 0-60°, which accounted for its broadband antireflective feature. We performed all-season-perspective simulations based on the results of the integrated ray-wave optics simulations and solar altitude database of South Korea, which validated the sustainability of the developed nanopatterned cover during significant seasonal fluctuations.
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| http://dx.doi.org/10.1364/OE.476007 | DOI Listing |
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