Perovskite light-emitting diodes(PeLEDs)are recognized as a cutting-edge display technology because of the advantages of high colour purity,broad colour gamut,and simplified solution process[1,2].To date,the efficienc...Perovskite light-emitting diodes(PeLEDs)are recognized as a cutting-edge display technology because of the advantages of high colour purity,broad colour gamut,and simplified solution process[1,2].To date,the efficiency and brightness of PeLEDs have been continuously improved towards industrialization[3-6].However,the stability of PeLEDs is still limited due to the susceptibility of organic-inorganic perovskite films to degradation.The hydrolysis of Pb-Br bonds and the oxidation of organic cations synergistically accelerate the decay of the perovskite device performance[7].Therefore,the encapsulation of perovskite devices is essential for practical applications[8-11].展开更多
文摘Perovskite light-emitting diodes(PeLEDs)are recognized as a cutting-edge display technology because of the advantages of high colour purity,broad colour gamut,and simplified solution process[1,2].To date,the efficiency and brightness of PeLEDs have been continuously improved towards industrialization[3-6].However,the stability of PeLEDs is still limited due to the susceptibility of organic-inorganic perovskite films to degradation.The hydrolysis of Pb-Br bonds and the oxidation of organic cations synergistically accelerate the decay of the perovskite device performance[7].Therefore,the encapsulation of perovskite devices is essential for practical applications[8-11].
