4.6 Article

Liquid Phase Deposition of TiO2 on a Multifunctional Template of Grafted Gallic Acid and Hexamethylenediamine (GAHD) with Enhanced Electrochemical Properties

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COATINGS
卷 13, 期 9, 页码 -

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MDPI
DOI: 10.3390/coatings13091600

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titanium dioxide; GAHD; template adjusted deposition; liquid phase deposition

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This study demonstrates the use of a template technology consisting of grafted gallic acid and hexamethylenediamine to regulate the deposition of TiO2 films. The films deposited with the template show a more obvious anatase phase and differences in photoluminescence spectra compared to direct deposition at low temperature. Electrochemical measurements also indicate excellent electrochemical conversion properties of the TiO2 films adjusted by the template.
Liquid phase deposition is a cost-effective and energy-efficient method for obtaining TiO2 films at low temperatures. This work demonstrates the use of a multifunctional template consisting of grafted gallic acid (GA) and hexamethylenediamine (HD) on a Ti substrate to regulate the deposition of TiO2 films. X-ray diffraction characterization shows that films deposited with the template have a more obvious anatase phase compared to direct deposition at 25 ffiC. The intensity of photoluminescence spectra also shows significant differences at 373.7 nm and 663.3 nm. Furthermore, electrochemical measurements indicate that TiO2 films adjusted by the template have excellent electrochemical conversion properties. This proposed method provides a new simple route for fabricating TiO2 films that are adjusted by GAHD templates, which may have good applications in the fields of semiconductor materials and biological materials.

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