Solvents effect of quantum sized SnO2 nanoparticles via solvothermal process and optical properties | Zendy

K. Anandan | Zendy; V. Rajendran | Zendy

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Solvents effect of quantum sized SnO2 nanoparticles via solvothermal process and optical properties

Author(s) -

K. Anandan,

V. Rajendran

Publication year - 2010

Publication title -

material science research india

Language(s) - English

Resource type - Journals

eISSN - 2394-0565

pISSN - 0973-3469

DOI - 10.13005/msri/070208

Subject(s) - nanoparticle , materials science , transmission electron microscopy , photoluminescence , scanning electron microscope , tin oxide , nanotechnology , chemical engineering , reagent , quantum dot , ethylenediamine , band gap , solvothermal synthesis , diffraction , oxide , inorganic chemistry , chemistry , optoelectronics , composite material , optics , metallurgy , physics , engineering

Well-dispersed quantum sized SnO2 nanoparticles have been successfully synthesized by simple solvothermal process using ethylenediamine as both a coordination and an alkali reagent. The size of the prepared tin oxide nanoparticle has been characterized by X-ray powder diffraction (XRD) and transmission electron microscopy (TEM) analysis. The TEM images show nano-particles as clusters with size in the range of 2.27–3.35 nm. Morphological studies were obtained by scanning electron microscopy (SEM). The optical direct band gap values of SnO2 nanoparticles were calculated to be about 3.75–4.27eV, which were confirmed the quantum size effect. The photoluminescence (PL) properties and the possible mechanisms were also discussed.

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