Title : ( Effect of the synthesis route on the structural properties and shape of the indium oxide (In2O3) nano-particles )
Authors: M. M. Bagheri-Mohagheghi , Nasser Shahtahmassebi , Yasaman Mozaffari Jovein , Mehrdad Shokooh-Saremi ,
Full TextAbstract
Nano-crystalline indiumoxide(In2O3) particleshavebeensynthesizedbysol–gelandhydro-thermal techniques.Asimplehydro-alcoholicsolutionconsistingindiumnitratehydrateandcitricacid(in sol–gel method)and1,4-butandiol(inhydro-thermalmethod)havebeenutilized.Thestructural properties ofindiumoxidenano-powdersannealedat450 1C (forbothmethods)havebeen characterized bytheX-raydiffraction(XRD),transmissionelectronmicroscopy(TEM),scanning electronmicroscopy(SEM),andspecificsurfacearea(SSA)analysis.Structuralanalysisofthesamples shows cubicphaseinsol–gelandcubic-hexagonalphasemixtureinhydro-thermallypreparedparticles. The nano-particlespreparedbysol–gelmethodhavenearlysphericalshape,whereashydro-thermally- made onesdisplaywire-andneedle-likeshapeinadditiontothesphericalshape.TheobtainedIn2O3 nano-particlessurfaceareaswere23.2and55.3insol–gelandhydro-thermalmethods,respectively. The opticaldirectbandgapofIn2O3 nano-particlesweredeterminedtobe 4.32 and 4.24 eVfor sol–gel andhydro-thermalmethods,respectively.Thesevaluesexhibit 0.5 eVblueshiftfromthatthe bulk In2O3 (3.75 eV),whichisrelatedtotheparticlesizereductionandapproachingthequantum confinementlimitofnano-particles.
Keywords
, Keywords: Nano, particles Indium oxide Sol–gel technique Hydro, thermal technique Characterization
@article{paperid:1015559,
author = {M. M. Bagheri-Mohagheghi and Shahtahmassebi, Nasser and Mozaffari Jovein, Yasaman and Shokooh-Saremi, Mehrdad},
title = {Effect of the synthesis route on the structural properties and shape of the indium oxide (In2O3) nano-particles},
journal = {Physica E},
year = {2009},
volume = {41},
number = {10},
month = {June},
issn = {1386-9477},
pages = {1757--1762},
numpages = {5},
keywords = {Keywords:
Nano-particles
Indium oxide
Sol–gel technique
Hydro-thermal technique
Characterization},
}
%0 Journal Article
%T Effect of the synthesis route on the structural properties and shape of the indium oxide (In2O3) nano-particles
%A M. M. Bagheri-Mohagheghi
%A Shahtahmassebi, Nasser
%A Mozaffari Jovein, Yasaman
%A Shokooh-Saremi, Mehrdad
%J Physica E
%@ 1386-9477
%D 2009
