By controlling the emission states of europium ions in doped gallium nitride, scientists found they can emit various colors of light from a single LED.
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Scientists at the University of California, Los Angeles, found that adding caffeine to perovskite solar cells stabilizes their power conversion efficiency, due to caffeine forming a “molecular lock” with lead ions in the solar cells.
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As additive manufacturing techniques become increasingly sophisticated, they offer a way to effectively construct specialized electronic devices. Two recent papers describe different direct-writing AM methods for constructing lead-free piezoelectric parts.
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By adding polyethylene glycol to delignified wood, researchers from the KTH Royal Institute of Technology created transparent wood that can store and release heat. They estimate this wood could be available for interior design purposes in as little as five years.
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Improved artificial photosynthesis methods would allow production of alternative fuels without burning fossil fuels. New research lays the foundation for designing ultrastable nanocatalysts for such methods.
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A new National Renewable Energy Laboratory study outlines benefits of floating photovoltaic systems over land-based solar panels, but it cautions more research is needed to understand all potential impacts.
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For structural batteries to serve as both an energy source and a construction material, they must be light, strong, safe, and have high load-bearing capacity. New research suggests modeling the solid electrolyte after cartilage could fulfill all these requirements.
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Solid oxide electrochemical cells offer a sustainable alternative to current fossil energy combustion technologies, if scientists can get them to operate well at lower temperatures. New research offers a step toward this goal.
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Researchers found simple thermal annealing can effectively dope titanium dioxide with nitrogen. Findings like this one can help expand the use of TiO2 in solar energy conversion technologies.
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Rice University researchers developed flexible, organic solar cells that could be useful where constant, low-power generation is sufficient.
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