Journal
ADVANCED ELECTRONIC MATERIALS
Volume 4, Issue 1, Pages -Publisher
WILEY
DOI: 10.1002/aelm.201700285
Keywords
capping layer; charge injection; light-emitting device; perovskite nanocrystal; transparent
Funding
- National Natural Science Foundation of China [61475062, 61675086, 11674127]
- Jilin Province Science Fund for Excellent Young Scholars [20170520129JH]
- BORSF RCS/Endowed Professor programs
- National Postdoctoral Program for Innovative Talents [BX201600060]
- [P20GM103424]
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The high photoluminescence quantum yield, wide color tunability and narrow bandwidth of perovskite nanocrystals make them favorable for light source and display applications. Here, highly transparent green-light-emitting devices (LEDs) using inorganic cesium lead halide perovskite nanocrystal films as the emissive layer are reported. The effect of multilayered nanostructured transparent electrode on optical properties and performance within the LEDs is investigated by fine tuning layer thickness. The results show that the light transmission in visible region can be enhanced with this nanostructured film. These LEDs exhibited a high transmittance (average 73% over 400-700 nm) and high brightness of 2640 and 1572 cd m(-2) for indium-doped tin oxide (ITO) cathode and MoOx/Au/MoOx anode sides, respectively.
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