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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 

На сайте https://link.springer.com найдено по теме "световые кванты":

  Light Quantum
      The light quantum concept comprises 12 layers of meaning which matured at very different times, thus refuting the simplistic legend that Albert 
      Einstein (1879–1955) singlehandedly discovered them all in 1905. Einstein's “heuristic point of view” was actually regarded with extreme skepticism 
      until 1922.
  Neutrinos and light quanta
           It is found necessary in this paper to introduce the spin of the neutrino in the neutrino theory of light in order to obtain two photon operators 
           for each energy state of photons and derive the Planck formula. The derivation by Jordan without the idea of spin for the neutrino is not free 
           from objection for he obtains half the Planck formula for the radiation density for his photons have no polarisation states.
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