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Thickness-Dependence of Exciton-Exciton Annihilation in Halide Perovskite Nanoplatelets
Moritz Gramlich, Bernhard J. Bohn, Yu Tong +3
Exciton-exciton annihilation (EEA) and Auger recombination are detrimental processes occurring in semiconductor optoelectronic devices at high carrier densities. Despite constituti…
Nonradiative Energy Transfer between Thickness-Controlled Halide Perovskite Nanoplatelets
Andreas Singldinger, Moritz Gramlich, Christoph Gruber +2
Despite showing great promise for optoelectronics, the commercialization of halide perovskite nanostructure-based devices is hampered by inefficient electrical excitation and stron…
Metal Halide Perovskite Nanocrystals: Synthesis, Post-Synthesis Modifications and Their Optical Properties
Javad Shamsi, Alexander S. Urban, Muhammad Imran +2
Metal halide perovskites represent a flourishing area of research, driven by both their potential application in photo-voltaics and optoelectronics, and for the fundamental science…
Identifying and reducing interfacial losses to enhance color-pure electroluminescence in blue-emitting perovskite nanoplatelet light-emitting diodes
Robert L. Z. Hoye, May-Ling Lai, Miguel Anaya +12
Perovskite nanoplatelets (NPls) hold great promise for light-emitting applications, having achieved high photoluminescence quantum efficiencies (PLQEs) approaching unity in the blu…
Tuning the optical bandgap in hybrid layered perovskites through variation of alkyl chain length
Jasmina A. Sichert, Annick Hemmerling, Carlos Cardenas Daw +2
Recently, layered hybrid perovskites have been attracting huge interest due to a wide range of possible chemical compositions and the resulting tunability of the materials properti…
Accelerated Carrier Relaxation through Reduced Coulomb Screening in 2D Halide Perovskite Nanoplatelets
Verena A. Hintermayr, Lakshminarayana Polavarapu, Alexander S. Urban +1
For high-speed optoelectronic applications relying on fast relaxation or energy transfer mechanisms, understanding of carrier relaxation and recombination dynamics is critical. Her…
Boosting tunable blue luminescence of halide perovskite nanoplatelets through post-synthetic surface trap repair
Bernhard J. Bohn, Yu Tong, Moritz Gramlich +9
The easily tunable emission of halide perovskite nanocrystals throughout the visible spectrum makes them an extremely promising material for light-emitting applications. Whereas hi…