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Title: ZnO nanorods decorated with ZnS nanoparticles

In this study, ZnO nanorods (NRs) and ZnS nanoparticles decorated ZnO-NRs were prepared by a combination of hydrothermal and hydrolysis method. Structural and optical properties of the samples were studied by XRD, FE-SEM, UV-Vis DRS and photoluminescence spectroscopy. Microscopy analysis revealed that the diameter of ZnO-NRs was ∼500 nm and the length was ranging from a few hundred nm to several micrometers and their surface was decorated with ZnS nanoparticles. UV-Vis DRS showed the absorption of ZnS decorated ZnO-NRs was blue shifted with respect to pure ZnO-NRs which enhanced the separation of electron-hole pairs. PL spectrum of ZnS decorated ZnO-NRs showed a decrease in intensity of UV and green emissions with the appearance of blue emission at 436 nm.
Authors:
; ;  [1] ;  [2]
  1. Centre for Nanoscience and Technology, Pondicherry University, RV Nagar, Kalapet, Pondicherry 605014 (India)
  2. Department of Nanoscience and Technology, Bharathiar University, Coimbatore - 641 046 (India)
Publication Date:
OSTI Identifier:
22490314
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1665; Journal Issue: 1; Conference: 59. DAE solid state physics symposium 2014, Tamilnadu (India), 16-20 Dec 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ABSORPTION SPECTROSCOPY; EMISSION SPECTROSCOPY; HOLES; HYDROLYSIS; NANOPARTICLES; NANOSTRUCTURES; OPTICAL PROPERTIES; PHOTOLUMINESCENCE; SCANNING ELECTRON MICROSCOPY; SURFACES; ULTRAVIOLET SPECTRA; VISIBLE SPECTRA; X-RAY DIFFRACTION; ZINC OXIDES; ZINC SULFIDES