NDLI: A comparative study of TiO$_{2}$ nanoparticles synthesized in premixed and diffusion flames

Content Provider	Springer Nature Link
Author	Ma, Hsiao Kang Yang, Hsiung An
Copyright Year	2010
Abstract	Previous studies have been shown that synthesis of titania (TiO$_{2}$) crystalline phase purity could be effectively controlled by the oxygen concentration through titanium tetra-isopropoxide (TTIP) via premixed flame from a Bunsen burner. In this study, a modified Hencken burner was used to synthesize smaller TiO$_{2}$ nanoparticles via short diffusion flames. The frequency of collisions among particles would decrease and reduce TiO$_{2}$ nanoparticle size in a short diffusion flame height. The crystalline structure of the synthesized nanoparticles was characterized by X-ray diffraction (XRD), transmission electron microscope (TEM), Barrett-Joyner-Halenda (BJH) and Brunauer-Emmett-Teller (BET) measurements. The characteristic properties of TiO$_{2}$ nanoparticles synthesized from a modified Hencken burner were compared with the results from a Bunsen burner and commercial TiO$_{2}$ (Degussa P25). The results showed that the average particle size of 6.63 nm from BET method was produced by a modified Hencken burner which was smaller than the TiO$_{2}$ in a Bunsen burner and commercial TiO$_{2}$. Moreover, the rutile content of TiO$_{2}$ nanoparticles increased as the particle collecting height increased. Also, the size of TiO$_{2}$ nanoparticles was highly dependent on the TTIP loading and the collecting height in the flame.
Starting Page	567
Ending Page	575
Page Count	9
File Format	PDF
ISSN	10032169
Journal	Journal of Thermal Science
Volume Number	19
Issue Number	6
e-ISSN	1993033X
Language	English
Publisher	SP Science Press
Publisher Date	2010-12-07
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Synthesis TiO$_{2}$ nanoparticles titanium tetra-isopropoxide modified Hencken burner Engineering Thermodynamics, Heat and Mass Transfer Engineering Fluid Dynamics Classical Continuum Physics
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics

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