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perovskite

Researchers Boost Performance of Solar Cells By Using Human Hair From a Barbershop

Researchers have used carbon dots, created from human hair waste sourced from a barbershop, to create a kind of ‘armor’ to improve the performance of cutting-edge solar technology. In a study, the researchers led by Professor Hongxia Wang in collaboration with Associate Professor Prashant Sonar of QUT’s Centre for Materials Science showed the carbon nanodots could […]

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Perovskite solar modules: High efficiency on a large surface area

(Karlsruher Institut für Technologie (KIT) ) From cell to module without loss of efficiency: Researchers at Karlsruhe Institute of Technology (KIT) have managed to produce perovskite solar modules with minimum scaling loss. For this purpose, they combined laser-based series interconnections with vacuum processing of all layers of the solar cell. They achieved an 18 percent efficiency on an area of four square centimeters – a world record for vacuum-processed perovskite solar modules.

Paraguay’s first satellite deployed from the International Space Station

(NASA/Johnson Space Center) On March 14, the Paraguayan Space Agency (AEP) deployed a satellite from the space station to help track a tiny parasite that causes Chagas disease. The satellite, Guaranisat-1, is the first developed and put into orbit by Paraguay.

New perovskite fabrication method for solar cells paves way to large-scale production

(DOE/Los Alamos National Laboratory) A new, simpler solution process for fabricating stable perovskite solar cells overcomes the key bottleneck to large-scale production and commercialization of this promising renewable-energy technology, which has remained tantalizingly out of reach for more than a decade.

Shedding light on perovskite films

(Karlsruher Institut für Technologie (KIT) ) Perovskite semiconductors are considered promising materials for solar cells of the next generation. Suitability of a semiconductor for photovoltaics is reflected among others by the so-called photoluminescence quantum efficiency. Researchers of Karlsruhe Institute of Technology (KIT) have now developed a model, by means of which photoluminescence quantum efficiency of perovskite films can be determined exactly for the first time. This is reported in Matter (DOI: 10.1016/j.matt.2021.01.019).

A new modifier increases the efficiency of perovskite solar cells

(National University of Science and Technology MISIS) The research team of NUST MISIS has presented an improved structure of perovskite solar cells. Scientists have modified perovskite-based solar cells using MXenes — thin two-dimensional titanium carbides with high electrical conductivity. The MXenes-based modified cells showed superior performance, with power conversion efficiency exceeding 19% (the reference demonstrated 17%) and improved stabilized power output with respect to reference devices. The results have been published in the Nano energy international scientific journal.

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Squeezing a rock-star material could make it stable enough for solar cells

A promising lead halide perovskite is great at converting sunlight to electricity, but it breaks down at room temperature. Now scientists have discovered how to stabilize it with pressure from a diamond anvil cell. The required pressure is well within the reach of industrial manufacturing requirements.

Squeezing a rock-star material could make it stable enough for solar cells

A promising lead halide perovskite is great at converting sunlight to electricity, but it breaks down at room temperature. Now scientists have discovered how to stabilize it with pressure from a diamond anvil cell. The required pressure is well within the reach of industrial manufacturing requirements.

Perovskite/silicon tandem solar cells on the magic threshold of 30% efficiency

Scientists have set the current world record of 29.15% efficiency for a tandem solar cell made of perovskite and silicon. The tandem cell provided stable performance for 300 hours – even without encapsulation. To accomplish this, the group investigated physical processes at the interfaces to improve the transport of the charge carriers.

The heavier, the better — superior stability in isotope functionalized perovskites

(Center for High Pressure Science & Technology Advanced Research) We discover a significantly suppressed lattice disorder in isotope functionalized perovskite MAPbI3, which is crucial for structural stability and extraordinary optoelectronic properties.