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The ultra-high efficiency material called a tandem perovskite solar cell is being developed to help solve the world energy crisis. Department of Energy's National Renewable Energy Lab and the University of Colorado, Dr.The University of Toledo physicist pushing the performance of solar cells to levels never before reached made a significant breakthrough in the chemical formula and process to make the new material. Yanfa Yan, UToledo professor of physics, envisions the ultra-high efficiency material called a tandem perovskite solar cell will be ready to debut in full-sized solar panels in the consumer market in the near future.
Solar Energy welcomes research focusing on direct energy conversion technologies, materials and device science necessary for large-scale deployment of cost-effective solar technologies, solar light management, active conversion technology, and low-cost high-throughput methodologies.
Solar energy represents the largest renewable resource on the planet – approximately 162 PW – but at present we utilize only about 100 GW.
"The meaningful work will help protect our planet for our children and future generations.
We have a problem consuming most of the fossil energies right now, and our collaborative team is focused on refining our innovative way to clean up the mess." The new research paper, which is published in the journal , outlines how the photovoltaics team is fine-tuning a mix of lead and tin to advance the technology closer to its maximum efficiency.
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Perovskites, compound materials with a special crystal structure formed through chemistry, would replace silicon, which -- for now -- remains the solar-cell material of choice for converting the sun's light into electrical energy.
"We are producing higher-efficiency, lower-cost solar cells that show great promise to help solve the world energy crisis," Yan said.
"His significant sustainability work at The University of Toledo can help power the world using clean energy." About five years ago Yan's team at UToledo identified the ideal properties of perovskites and he has since focused his 20 years of experience on producing an all-perovskite tandem solar cell that brings together two different solar cells to increase the total electrical power generated by using two different parts of the sun's spectrum. "This is the material we've been waiting for for a long time," Yan said. Some have already started investing in this technology." Yan is an expert in theory of defect physics and electronic properties in semiconductors, materials synthesis and thin-film solar-cell fabrication.
"Our UToledo research is ongoing to make cheaper and more efficient solar cells that could rival and even outperform the prevailing silicon photovoltaic technology," said Dr.