Dispersing agents for electrophoretic deposition of TiO2 and TiO2–carbon nanotube composites
作者： Y. Sun , Y. Wang , I. Zhitomirsky
DOI: 10.1016/J.COLSURFA.2012.11.030
关键词:
摘要: Abstract Organic anionic molecules such as 2,3-dihydroxybenzoic acid (DBA23), 2,6-dihydroxybenzoic (DBA26), 5-sulfosalicylic (SSA) and pyrocatecholsulfonphthalein (PCS) were investigated for electrophoretic deposition (EPD) of TiO 2 –multiwalled carbon nanotube (MWCNT) films from suspensions in ethanol. The adsorption the on surfaces was based catecholate or salicylate binding, involving adjacent OH groups COOH groups, respectively. allowed efficient dispersion, charging EPD . yield studied a function DBA23, DBA26, SSA PCS concentration time. An important finding possibility MWCNT using PCS. It shown that can be used universal dispersing agent co-deposition fabrication composite –MWCNT films. advantages new strategies, compared to other methods described literature, discussed. deposits by Fourier transform infrared spectroscopy, thermogravimetric analysis, differential thermal analysis electron microscopy. proposed approach paves way oxide materials composites.
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