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Syndioselective polymerization of unprotected polar styrenes has achieved great success via specially designed catalysts and the establishment of “self‐assisted” theory. In contrast, isospecific polymerization of polar styrenes has remained less explored. Herein, we present new racemic ansa‐bis(benz[e]indenyl) rare‐earth metal complexes and their high activity and perfect isoselectivity (mmmm>99...
Perovskite quantum dots (QDs) preserve the attractive properties of perovskite bulk materials and present additional advantages, owing to their quantum confinement effect, leading to their suitability as an absorber in perovskite solar cells. In this Review, the issues and advantages of perovskite QDs are analyzed in the context of purification, device fabrication with perovskite QDs, light absorption,...
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