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Improving the Stability and Optical Properties of Perovskite Films

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A new approach to producing all-inorganic perovskite films — the result of a joint research effort by City University of Hong Kong (CityU) and Shanghai University — could further the development of high-color-purity, low-cost perovskite LEDs with a high operational lifetime. The researchers developed an efficient fabrication approach leading to dense, smooth, pinhole-free CsPbBr3 perovskite films with high thermal stability. They introduced trifluoroacetate (TFA) anions to passivate surface defects and control the crystal growth. The interaction of the TFA anions with Pb2+...Read full article

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    Published: February 2019
    Glossary
    optoelectronics
    Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light and its interactions with different materials. The term "optoelectronics" is a combination of "optics" and "electronics," reflecting the interdisciplinary nature of this field. Optoelectronic devices convert electrical signals into optical signals or vice versa, making them crucial in various technologies. Some key components and applications of optoelectronics include: ...
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    Research & TechnologyeducationAsia-PacificCity University of Hong KongShanghai UniversityLEDsLight SourcesMaterialsOpticsoptical propertiesoptoelectronicsphotovoltaicsConsumerenergyenvironmentnanonanoscale materialsperovskitesall-inorganic perovskitesTech Pulse

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