Black silicon wafers significantly improve efficiency of ultrathin solar cells

Reducing the thickness of silicon wafers in solar cells below 40 μm typically results in decreased performance. Using black silicon for the wafer, however, which has a textured surface structure, can improve the wafer’s absorption capabilities. Researchers in Spain and Finland demonstrated this improvement by using ultrathin black silicon wafers to create interdigitated back-contact solar cells.

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Plane protection: Alumina and titania improve the corrosion resistance of thermal barrier coatings to molten glass

Thermal barrier coatings protect engine components from extreme heat, but they can be damaged by the dust that gets sucked in and turned into molten glass. Previous studies found yttria-stabilized zirconia coatings doped with alumina and titania demonstrated improved corrosion resistance against this molten glass. Now, researchers in Turkey explored whether these additives could improve the resistance of ceria-stabilized coatings as well.

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Ultrafast deposition reveals true shape of lithium

The complex feedback loop between solid electrolyte interphase formation and lithium deposition means researchers have struggled to develop a general framework for understanding and predicting lithium morphology. Researchers at the University of California, Los Angeles, modified the electrodeposition process to decouple lithium deposition from interface growth and thus reveal the intrinsic deposition morphology of lithium.

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Dusty data—hydrophobic ceramic surfaces significantly reduce adhesion of simulated lunar dust

Dust mitigation is a priority for space agencies to prevent damage to equipment during surface missions on the moon, Mars, and other celestial bodies. Researchers from the University of Nebraska-Lincoln and NASA Langley Research Center used laser ablation to pattern two ceramics with hydrophobic surfaces, which led to a reduction in the adhesion of simulated lunar dust.

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