Bulletin of Materials Science

, Volume 34, Issue 2, pp 287–292 | Cite as

Synthesis and investigation of optical properties of ZnS nanostructures

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Abstract.

Structural characterizations of wurtzite zinc sulfide (ZnS) nanostructures synthesized by vapour–liquid–solid technique (VLS) were carried out by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and X-ray diffraction (XRD) analyses. Spectral dependence of photoluminescence (PL) was also carried out for optical characterization. PL results indicate that the bandgap energy of bulk ZnS which is 3·68 eV at room temperature changes from 3·7 eV to 3·72 eV depending on the size of the structures. We also supported these results by calculating the bandgap energies theoretically with using the infinite potential well approximation for 1D structures.

Keywords.

ZnS nanowires; VLS; SEM; EDS; XRD; PL. 
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Copyright information

© Indian Academy of Sciences 2011

Authors and Affiliations

  1. 1.Physics Department, Science FacultyIstanbul UniversityVeznecilerTurkey

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