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Two‐dimensional (2D) tin (Sn)‐based perovskites have recently received increasing research attention for perovskite transistor application. Although some progress is made, Sn‐based perovskites have long suffered from easy oxidation from Sn2+ to Sn4+, leading to undesirable p‐doping and instability. In this study, it is demonstrated that surface passivation by phenethylammonium iodide (PEAI) and 4‐fluorophenethylammonium...
In article number 1704379, Shih‐Huang Tung, Wen‐Chang Chen, and co‐workers demonstrate the preparation of uniform luminous perovskite nanofibers by a one‐step core/shell electrospinning technique. The luminous electrospun nanofibers possess wide color‐tunability by varying the perovskite composition. Also, the grain size of the formed perovskite nanocrystals is largely controlled by the perovskite...
A one‐step core/shell electrospinning technique is exploited to fabricate uniform luminous perovskite‐based nanofibers, wherein the perovskite and the polymer are respectively employed in the core and the outer shell. Such a coaxial electrospinning technique enables the in situ formation of perovskite nanocrystals, exempting the needs of presynthesis of perovskite quantum dots or post‐treatments....
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