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LEDs and Displays

Light emitting diodes are constantly replacing incandescent and fluorescent light bulbs as brighter and more robust light sources with tailored emission spectra. Extensive research in inorganic, and progressively in, organic materials and devices is done for light emitting materials used in room lighting, display technologies and consumer electronics.

For organic materials, research is driven by the low cost of earth-abundant materials. Attempts are focussed on increasing the efficiency and the stability of the devices associated with electrical transport. This remains a core challenge. In addition, high quantum efficiency is sought for and is associated with low power consumption and thermal requirements.

The fluorescence emission, quantum yield and lifetime of materials for LED can be characterised with a variety of products offered by Edinburgh Instruments.

LED Display      F980 Screen

AuthorYearTitleJournalVol.PagesInstrument
Sergii Kalytchuk et al.2017 Sodium Chloride Protected CdHgTe Quantum Dot Based Solid-State Near-Infrared Luminophore for Light-Emitting Devices and Luminescence ThermometryACS Photonics
Eli Zysman-Colman et al.2016 Solution-Processable Silicon Phthalocyanines in Electroluminescent and Photovoltaic DevicesACS Applied Materials & Interfaces89247-9253
Sagar Kesarkar et al.2016 Near-IR Emitting Iridium(III) Complexes with Heteroaromatic β-Diketonate Ancillary Ligands for Efficient Solution-Processed OLEDs: Structure–Property CorrelationsAngewandte Chemie1282764-2768
Choi, M. K. et al.2015 Wearable red-green-blue quantum dot light-emitting diode array using high-resolution intaglio transfer printingNature Communications67149
Raju Laishram et. al2015 White light emitting soft materials from off-the-shelf ingredientsJournal of Materials Chemistry C235
Renping Cao et. al2015 Photoluminescence properties and energy transfer of novel red phosphor Sr3P4O13:Eu3+, Bi3+Materials Letters15568-70
Hongpeng Zhou et. al2015 A single-phased tunable emission phosphor MgY2Si3O10: Eu3+, Bi3+ with efficient energy transfer for white LEDsDalton Trans.441102-1109
Taiping Zhang et. al2015 Wavelength tuneable infrared light emitting diode based on ordered ZnO nanowire-Si 1-xGe x alloy heterojunctionNano Research82676-2685
V. Cherpak, et. al2014 Efficient “Warm-White” OLEDs Based on the Phosphorescent bis-Cyclometalated Iridium(III) ComplexJournal of Physical Chemistry C118(21)11271-11278
Yanyan Li et al.2014 A Single-Component White-Emitting CaSr2Al2O6:Ce3+, Li+, Mn2+ Phosphor via Energy TransferInorganic Chemistry537668-7675