Where should Selenium nanoparticles' absorption peak be located, and at which range of peaks?
The spectral characteristics of selenium nanoparticles depend on their size. For example, selenium nanoparticles with an average diameter of 71 nm absorb in the region of 300 nm, and particles with an average diameter of 183 nm absorb in the region of 600 nm.
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The absorption peak of Selenium nanoparticles can vary depending on factors like size, shape, and the surrounding environment. Typically, selenium nanoparticles exhibit absorption peaks in the UV-visible spectrum. The specific location is not fixed, and the range of the absorption peak can appear at around 550 or at 700 nanometers.
For amorphous selenium nanoparticles, its evolution in the absorption spectrum is size-dependent. This paper may be helpful: Article Evidence on the size-dependent absorption spectral evolution...
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