Abstract
Pure and Sn(IV) doped ZnO 1D nanostructures were synthesized by a convenient thermal evaporation method. SEM, EDS, XRD and TEM were used to examine the morphology, composition, phase structure and crystallinity of as-prepared ZnO samples. Raman spectra were used to confirm Sn(IV) doped into ZnO lattice effectively. The Raman spectra of doped ZnO 1D nanostructures also show strong electron–phonon coupling. PL spectra were used to investigate the optical properties of as-prepared samples, which show strong UV emission in pure ZnO while there is dominant green emission in doped ZnO. More interesting, the green emission contains discrete multi-sub-bands because of electron–phonon coupling and optical cavity effect in the doped 1D nanostructures.
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