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Mercury ions-induced fluorescence quenching properties of CdTe quantum dots (QDs) have been studied using the fluorescence spectroscopic techniques. By using the hydrothermal method, the CdTe QDs with different particles sizes from 1.98 to 3.68nm have been prepared, and the corresponding fluorescence emission wavelength is changed from 518 to 620nm. The fluorescence of QDs is enhanced after linking...
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