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Indium sulfide microflowers: Fabrication and optical properties

Authors
Journal
Materials Research Bulletin
0025-5408
Publisher
Elsevier
Publication Date
Volume
44
Issue
10
Identifiers
DOI: 10.1016/j.materresbull.2009.05.023
Keywords
  • A. Semiconductors
  • B. Chemical Synthesis
  • C. Electron Microscopy
  • D. Luminescence
  • D. Optical Properties
Disciplines
  • Earth Science
  • Geography

Abstract

Abstract With the assistance of urea, uniform 2D nanoflakes assembled 3D In 2S 3 microflowers were synthesized via a facile hydrothermal method at relative low temperature. The properties of the as-obtained In 2S 3 flowers were characterized by various techniques. In this work, the utilization of urea and l-cysteine, as well as the amount of them played important roles in the formation of In 2S 3 with different nanostructures. Inferred from their morphology evolution, a urea induced precursor-decomposition associated with the Ostwald-ripening mechanism was proposed to interpret these hierarchical structure formation. Furthermore, the optical properties of these In 2S 3 microflowers were investigated via UV–vis absorption and photoluminescence (PL) spectroscopies in detail.

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