| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5400246 | Journal of Luminescence | 2014 | 6 Pages |
â¢Morphology has been investigated as a function of capping agent concentration.â¢Comparison between capped and uncapped ZnO nanoparticles has been examined.â¢Diffraction scans show the crystalline wurtzite structure of synthesized product.â¢Recorded PL spectra show the multichromatic behavior of synthesized nanostructures.
Star-shaped ZnO nanostructures have been synthesized by facile chemical co-precipitation method in the presence of glutathione. Glutathione, a reducing agent, shape modifier and an entirely benign antioxidant; acts as a capping agent in the present study. The powder X-ray diffraction patterns indicate that the novel star-shaped ZnO nanostructures exhibit hexagonal structure. Fourier transform infra-red spectroscopic studies confirmed the anchoring of glutathione on ZnO nanocrystals. Transmission electron microscopy and field emission scanning electron microscopy revealed the star and cube-shaped shaped morphology of the glutathione modified nanocrystals. Optical characterization of synthesized nanocrystals has been done by UV-vis absorption spectroscopy and steady state photoluminescence spectroscopy. Recorded Photoluminescence spectra confirm the multi-chromatic photoluminescence behavior of the synthesized nanostructures.
