One-step synthesis and properties of MnOx/TiO2 nanocomposites prepared by chemical vapor condensation process

Title
One-step synthesis and properties of MnOx/TiO2 nanocomposites prepared by chemical vapor condensation process
Authors
박은석진성민김연석배귀남정종수
Keywords
MnOx; Composite materials; One-step synthesis; Chemical synthesis; nanocomposites; Optical properties; chemical vapor condensation
Issue Date
2013-01
Publisher
Powder technology
Citation
VOL 233, 131-136
Abstract
MnOx/TiO2 nanocomposites were synthesized using metal-organic precursors in one-step by modified chemical vapor condensation. The flow rate of manganese precursor was supplied from 0.1 to 0.6 L min−1. The titanium tetraisopropoxide precursor was supplied at a constant flow rate. The synthesized materials were characterized by TGA-DTG, BET, TEM, XRD, and XPS. The result of TGA showed the Mn precursor's main degradation to be above 100 °C. Characterization of theMn/TiO2 samples by BET and TEMshowed that the flow rate ofMnprecursor had little effect on surface area, pore volume, or particle size. XRD showed that amorphousMn became crystalline with increasing Mn precursor vapor concentration.
URI
http://pubs.kist.re.kr/handle/201004/43111
ISSN
00325910
Appears in Collections:
KIST Publication > Article
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