نتایج جستجو برای: electroluminescence
تعداد نتایج: 1624 فیلتر نتایج به سال:
Electroluminescence is a defect detection method commonly used in photovoltaic industry. However, the current research mainly focuses on qualitative analysis rather quantitative evaluation, since there exists some shortcomings, such as fuzzy edges, unclear texture, etc., obtained electroluminescence images. polarization imagery new for modules, which can effectively make up aforementioned defic...
The slow bimolecular recombination that drives three-dimensional lead-halide perovskites' outstanding photovoltaic performance is conversely a fundamental limitation for electroluminescence. Under electroluminescence working conditions with typical charge densities lower than 1015 cm-3, defect-states trapping in three-dimensional perovskites competes effectively with the bimolecular radiative r...
Single-photon sources that provide non-classical light states on demand have a broad range of applications in quantum communication, quantum computing and metrology1. Singlephoton emission has been demonstrated using single atoms2, ions3, molecules4, diamond colour centres5,6 and semiconductor quantum dots7–11. Significant progress in highly efficient8,11 and entangled photons9 sources has rece...
In this letter, we demonstrate the formation of unique Ga/GaAs/Si nanowire heterostructures, which were successfully implemented in nanoscale light-emitting devices with visible room temperature electroluminescence. Based on our recent approach for the integration of InAs/Si heterostructures into Si nanowires by ion implantation and flash lamp annealing, we developed a routine that has proven t...
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