Large-area light management materials for photovoltaics and agrivoltaics
Vivian Ferry a
a Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455, United States
Proceedings of MATSUS Fall 2026 Conference (MATSUSFall26)
E3 Photonics in Energy Conversion Materials and Devices
Palma, Spain, 2026 October 26th - 30th
Organizers: Miguel Alexandre, Catarina Ferreira and Guillermo Martínez-Denegri
Invited Speaker, Vivian Ferry, presentation 154
Publication date: 22nd July 2026

This talk will discuss new materials for very-large-scale photonic structures for photovoltaics, agrivoltaics, and radiative cooling. Emerging technologies for electricity generation and cooling are increasingly moving toward dual-use sites, such as building-integration and agricultural sites. This raises new challenges for light management, as strategies are needed to optimally harvest, split, and direct sunlight over broad spectral and angular ranges. This talk will discuss the development of new materials to capture sunlight over large areas. First, any light harvesting strategy based on metamaterials will require very large-area, high resolution patterning strategies that are sustainable and cost-effective. I will discuss an all-additive, roll-to-roll fabrication route to produce metasurfaces over m2 with highly tailored optical response. The second part will discuss the use of spectrum shifting films of nanocrystals embedded in polymers for agrivoltaic applications such as greenhouse windows. These films can be used either as luminescent solar concentrators for co-generation of electricity, or as stand-alone light filters to tailor the solar spectrum. I will discuss the selection of nanocrystal emitters and polymers, as well as the design tradeoffs in quantum yield and absorption, the role of luminescence, and the impact of location. Finally I will discuss some new materials for large-area radiative cooling based on polymer nanostructuring.

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