Dispersion of Titanium Oxide Nanoparticles in Aqueous Solution with Anionic Stabilizer via Ultrasonic Wave | Zendy

Wen-Bin Tsai | Zendy; Jui-Yang Kao | Zendy; TzongMing Wu | Zendy; WenTung Cheng | Zendy

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Dispersion of Titanium Oxide Nanoparticles in Aqueous Solution with Anionic Stabilizer via Ultrasonic Wave

Author(s) -

Wen-Bin Tsai,

Jui-Yang Kao,

TzongMing Wu,

WenTung Cheng

Publication year - 2016

Publication title -

journal of nanoparticles

Language(s) - English

Resource type - Journals

eISSN - 2314-4858

pISSN - 2314-484X

DOI - 10.1155/2016/6539581

Subject(s) - zeta potential , materials science , sodium hexametaphosphate , dynamic light scattering , polyacrylic acid , chemical engineering , titanium dioxide , dispersion (optics) , suspension (topology) , aqueous solution , dispersion stability , fourier transform infrared spectroscopy , nanoparticle , nanotechnology , composite material , optics , chemistry , polymer , physics , mathematics , homotopy , pure mathematics , engineering , metallurgy , sodium

This paper aims to reveal the effects of odium hexametaphosphate (SHMP) and polyacrylic acid (PAA) on dispersion of TiO2 (P25) nanopowder in de-ionic water through ultrasonic horn. We characterized TiO2 suspension by transmission electron microscopy (TEM), dynamic light scattering (DLS), Fourier transform infrared spectroscopy (FTIR), zeta potential, and surface contact angle instruments. As shown in the results, particularly, it were noticed that (1) the SHMP has better dispersion than PAA due to electronegativity effect, resulting in that the average particle size of the dispersed titanium dioxide in de-ionic water was roughly 92 nm, and (2) the zeta potential of TiO2 suspension with SHMP can be achieved by 54 mV at pH value of 7.7, causing stronger electrostatic repulsion in the suspension solution, compared with PAA

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