نتایج جستجو برای: blue emission
تعداد نتایج: 247498 فیلتر نتایج به سال:
We demonstrate that the angular-dependence effect in blue emission top-emitting organic light-emitting diodes (TOLEDs) can be resolved in a very simple and effective way via introducing gratings and filling process. In this method, the shift of the peak emission wavelength with the viewing angle is successfully
ZnO and ZnO: Mn nanocrystals synthesized via reverse micelle method. The structural properties nanocrystals were investigated by XRD and Transmission electron microscopy (TEM). The XRD results indicate that the synthesized nanocrystals had a pure wurtzite (hexagonal phase) structure. The various optical properties of these nanocrystals such as optical band gap energy, refractive index, dielectr...
Blue and white light emission is observed when high voltage stress is applied using micrometer-separated tungsten probes across a nanoforest formed of ZnO nanorods. The optical spectrum of the emitted light consistently shows three fine peaks with very high amplitude in the 465-485 nm (blue) range, corresponding to atomic transitions of zinc. Additional peaks with smaller amplitudes in the 330-...
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