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Title: Grain size tuning of nanostructured Cu{sub 2}O films through vapour phase supersaturation control and their characterization for practical applications

A strategy for creating nanostructured films is the alignment of nanoparticles into ordered superstructures as living organisms synthesize biomaterials with superior physical properties using nanoparticle building blocks. We synthesized nanostructured films of Cu{sub 2}O of variable grain size by establishing the condition of supersaturation for creation of nanoparticles of copper which deposited as nanograined films and which was then oxidized. This technique has the advantage of being compatible with conventional vacuum processes for electronic device fabrication. The Cu{sub 2}O film samples consisted of a secondary structure of spherical particles of almost uniform size, each particle being an agglomerate of primary nanocrystals. Fractal analysis of the AFM images of the samples is carried out for studying the aggregation mechanism. Grain size tuning of the nanostructured Cu{sub 2}O films has been studied using XRD, and micro-Raman and photoluminescence spectroscopy.
Authors:
;  [1]
  1. Centre for Nanoscience and Nanotechnology, University of Kerala, Kariavattom, Thiruvananthapuram - 695 581, Kerala (India)
Publication Date:
OSTI Identifier:
22492369
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Advances; Journal Volume: 5; Journal Issue: 9; Other Information: (c) 2015 Author(s); Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; 36 MATERIALS SCIENCE; AGGLOMERATION; ATOMIC FORCE MICROSCOPY; COPPER; COPPER OXIDES; EMISSION SPECTROSCOPY; FILMS; FRACTALS; GRAIN SIZE; NANOPARTICLES; NANOSTRUCTURES; PHOTOLUMINESCENCE; RAMAN SPECTROSCOPY; SUPERSATURATION; VAPORS; X-RAY DIFFRACTION