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Silver selenide (Ag2Se) quantum dots (QDs) with uniform size have been synthesized via a facile and low-cost method. The Ag2Se QDs are characterized by transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy and UV–Vis–NIR spectrophotometer. Uniform Ag2Se QDs with average particle size of 4.8–5.8 nm and good dispersity can be prepared in the pH (value) of 10.5 and reaction...
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