Иностранные Капанадзе

Версия 14:52, 11 сентября 2019

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 Modulation of recombination zone position for quasi-two-dimensional blue perovskite light-emitting diodes with efficiency exceeding 5%
     Краткое описание 
 In recent years, substantial progress has been made in developing perovskite light-emitting diodes with near-infrared, red and green emissions and over 20% 
 external quantum efficiency. However, the development of perovskite light-emitting diodes with blue emission remains a great challenge, which retards 
 further development of full-color displays and white-light illumination based on perovskite emissive materials. Here, firstly, through composition and 
 dimensional engineering, we prepare quasi-two-dimensional perovskite thin films with improved blue emission, taking advantages of reduced trap density and 
 enhanced photoluminescence quantum yield. Secondly, we find a vertically non-uniform distribution of perovskite crystals in the PEDOT:PSS/perovskite hybrid 
 film