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Lead-free perovskite solar cells Lead-free perovskite solar cells M. Künsting/HZB The addition of fluorine additives increases the quality of the perovskite layer. Analyses at BESSY II now show why. Zoom in ").addClass("image-details"); var $imageCaption = $("").addClass("image-caption").text(caption); $imageDetails.append($imageCaption); element = $(" ").append('×').append($imageHolder).append($imageDetails)[0]; img.draggable = false; if (title) { ...

27.07.2021 Lead-free perovskite solar cells – How fluoride additives improve quality Tin halide perovskites are currently considered the best alternative to their lead-containing counterparts, which are, however, still significantly less efficient and stable. Now, a team led by Prof. Antonio Abate from HZB has analysed the chemical processes in the perovskite precursor solution and the fluoride compounds in detail. Using a clever combination of measurement methods at BESSY II and with NMR at the Humboldt-University Berlin, they were able to show that fluoride pr...