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February 2023
In Ultrathin Layers, NREL Researchers Find a Path to Better Materials
For three decades, researchers have known that the addition of a single chemical creates better-performing solar cells. But they have not understood exactly why—until now. The answer has implications that stretch well beyond solar cells.
News Release: Perovskite-Based Thermochromic Windows Reduce Energy Load and Carbon Emission in Buildings
The use of thermochromic windows in office buildings improves energy efficiency across all climate zones in the United States by modulating the temperature inside, leading to a massive savings, according to a research effort led by NREL.
Innovative HOPE Graduate Workshop Is Accepting Applications for Summer Participation
Annie Greenaway and Silvana Ovaitt started out as graduate student participants in the Hands-On Photovoltaic Experience (HOPE) workshop—a program designed to provide graduate students with opportunities to learn about photovoltaics from leading researchers.
Matthew Beard and Garry Rumbles Elected Fellows of AAAS
This week, NREL researchers Garry Rumbles and Matthew Beard were announced as fellows of the American Association for the Advancement of Science (AAAS).
January 2023
Solar District Cup Finalist Teams Announced
The U.S. Department of Energy (DOE) Solar District Cup Collegiate Design Competition announced today that 45 teams from 39 schools are advancing as finalists in the class of 2022–2023.
News Release: Thin, Lightweight Layer Provides Radiation Barrier for Perovskites in Space, Protection From Elements on Earth
An ultrathin protective coating proves sufficient to protect a perovskite solar cell from the harmful effects of space and harden it against environmental factors on Earth, according to newly published research from NREL.
December 2022
News Release: New Method Addresses Problem With Perovskite Solar Cells
A new approach to manufacturing perovskite solar cells has addressed previous problems and yielded devices with high efficiency and excellent stability, researchers at NREL report in the new issue of the journal Science.
November 2022
NREL Tracks PV and Energy Storage Prices in Volatile Market
NREL has released its annual cost breakdown of installed solar photovoltaic (PV) and battery storage systems.
PV Windows Unlock Goal of Increased Energy Efficiency of Skyscrapers
Skyscrapers dominate city skylines, but these massive glass-walled structures can be made more energy efficient through the addition of thermally efficient photovoltaic (PV) windows, according to an analysis by researchers at NREL.
Popular NREL Cell Efficiency Chart Shines in New Interactive Version
There is a new way to explore NREL's famous chart spotlighting the efficiency of solar cells. The Best Research-Cell Efficiency Chart is now interactive, with the ability to pull up decades of research data and create custom charts that focus on specific technologies or time periods. You can also dive deeper into the data behind many points on the chart, going beyond just efficiency.
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Last Updated May 5, 2025