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Li‐doped ZnO polycrystals with Li2CO3 concentration between 0 and 15 at.% have been prepared using a solid state reaction method. After annealing of the mixed samples at 1200 °C, Li2CO3 completely decomposed to Li2O and the lattice parameters a/c first increase with Li2CO3 concentration up to 5 at.%, and then decrease with increasing Li2CO3 concentration. This indicates that Li atoms prefer interstitial...
Co doping CdS nanocrystals were synthesized in aqueous solution using mercaptoacetic acid as stabilizer. The prepared nanocrystals were examined using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared (FTIR) and UV-vis absorption spectroscopy (ABS). The cubic zinc blende nanocrystals were determined and the sizes were estimated by XRD. The compositions of...
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