Durable and Low-Cost Multi-use Organic Photovoltaics
Bryon W. Larson a, Reilly Seban a b, Rosemary M. Thompson a b, Mahsa Barzgar-Vishlaghi d, Emory Townley d, Chandler Dobson c, Alex Robb c, Mark E. Thompson c, Stephen R. Forrest d
a National Renewable Energy Laboratory (NREL), Golden, CO 80401, USA
b Department of Chemistry, Colorado School of Mines, Golden, CO 80401, USA
c University of Southern California, Los Angeles, CA 90089, USA
d Department of Electrical and Computer Engineering, University of Michigan, Ann Arbor, MI 48109, USA
Proceedings of MATSUS Spring 2026 Conference (MATSUSSpring26)
B1 Future of Organic solar cells: What is next?
Barcelona, Spain, 2026 March 23rd - 27th
Organizers: Vida Engmann, Karen Forberich and Pascal Kaienburg
Invited Speaker, Bryon W. Larson, presentation 620
Publication date: 15th December 2025

Organic photovoltaics are in a new era of high efficiency materials and exceptional intrinsic device stabilities. Major hurdles along the frontier towards widespread deployment of OPV are related to the necessary tasks of transitioning out-of-lab and into-real-world R&D. Scaling up module processing while retaining performance, outdoor and accelerated durability testing, and material and manufacturing costs are the primary areas of focus for commercialization. In the talk, I will present our team's progress on each of these areas. While targeting multi-use applications uniquely captured by OPV due to infinitely tunable semitransparent device designs, we show that the process of going from inception of new organic semiconductors all the way to validated technology can be accelerated through intentionally low-cost and rapid protocols at each stage of molecular design, material performance screening, small area device optimization, upscaling to modules, as well as accelerated stress testing. Finally, high durability is crucial to widespread industry uptake, and outdoor durability performance testing is a must for proving out OPV as a real-world technology and validating/informing accelerated stress test projection models with empirical results. We show exceptional module lifetimes outdoors in multiple climate zones in the United States. Using biomatched OPVs as a target multi-use application for next-generation agrivoltaics, energy production models will be presented to show how even modest efficiencies in biomatched OPVs provide substantial practical and economic incentives.

This work was authored in part by the National Renewable Energy Laboratory, operated by Alliance for Sustainable Energy, LLC, for the U.S. Department of Energy (DOE) under contract no. DE-AC36-08GO28308. Funding was provided by the U.S. Department of Energy, the Office of Energy Efficiency and Renewable Energy, within the Solar Energy Technology Office through award number DE-EE0052768. The work does not necessarily represent the views of the DOE or the U.S. Government. By accepting the article for publication, the publisher acknowledges that the U.S. Government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this work, or allow others to do so, for U.S. Government purposes.

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