Electronics & Semiconductors

New wearable sensor sets record for solar power efficiency

Sweat, like blood, can tell us a lot about a person's health. And conveniently, it's a lot less invasive to collect. This is the premise behind the wearable sweat sensors developed by Wei Gao, assistant professor of medical ...

Engineering

Research puts sound waves to test in making solar cells cheaper

Sound waves could play a part in making III-V solar cells more affordable for Earth-bound applications, according research led by scientists at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL). ...

Energy & Green Tech

Improving the operational stability of perovskite solar cells

Hybrid perovskites are materials made from metal halide frameworks interspersed with organic cations. They have attracted a lot of interest in the field of solar energy because of their light-harvesting capacity combined ...

Engineering

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 the National Renewable Energy Laboratory (NREL) report ...

Energy & Green Tech

Researchers unveil multi-mode reactions in perovskite solar cells

As a promising photovoltaic material, metal halide perovskite yields high efficiency in solar cells. However, the deep-level traps of minority carriers at the surface of the p-i-n perovskite solar cells can suppress nonradiative ...

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