ARTICLEPreparation and Characterization of TiO2 Nanotube Arrays via Anodization of Titanium Films Deposited on FTO Conducting Glass at Room Temperature
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Cited by (35)
Semi-transparent ordered TiO <inf>2</inf> nanostructures prepared by anodization of titanium thin films deposited onto the FTO substrate
2016, Applied Surface ScienceCitation Excerpt :Although the applied voltage in the case of O2-anodization procedure equals 40 V, much higher current densities are registered during the electrochemical process performed under 10 V in water solution. Such behaviour results from the high viscosity coefficient of ethylene glycol, indicating that anodization process is controlled by diffusion [28]. As it is known, the diffusion constant is inversely proportional to the viscosity, and thus a lower growth and a chemical dissolution rate of the formed nanostructure are obtained in viscous electrolytes.
Wettability, structural and optical properties investigation of TiO<inf>2</inf> nanotubular arrays
2016, Materials Research BulletinCitation Excerpt :The problem is owing to the inappropriate illumination from the cell’s backside, where intensity of light loses significantly when it travels through the counter electrode, platinum coating and the redox mediator system [8]. Hence, it is vital to improve methods for construction of highly ordered TiO2 nanotubes from titanium thin films on any substrate like glass [9] silicon [10] and conducting glass [11–14]. To provide a thin film of titanium many techniques are available such as physical vapor deposition (PVD) magnetron sputtering technique, thermal diffusion (TD), chemical vapor deposition (CVD) and pulsed laser deposition.
Effect of substrate temperature and deposition rate on the morphology and optical properties of Ti films
2013, Applied Surface ScienceCitation Excerpt :To overcome this restriction, one can control the deposition parameters such as inert gas pressure, sputtering power, substrate bias, and deposition rate. It is found that increasing power and negative substrate bias as well as decreasing inert gas is helpful to achieve a denser and more uniform film [9–11]. Controlling the deposition parameters (power, substrate bias, and deposition rate) leads to the development of structure zone model (Thornton model) which classifies the deposited coatings as a function of Tsub/Tm and the inert gas pressure [12].
Metal oxide nanoscience and nanotechnology for chemical sensors
2013, Sensors and Actuators, B: ChemicalCitation Excerpt :The formation of nanotubular arrays in neutral electrolytes has been recently investigated to overcome this drawback [33]. In fact, the chemical dissolution of the oxidized TiO2 is essentially suppressed in neutral electrolytes, in comparison with acidic aqueous solutions, allowing formation of longer nanotubes [34,35]. We have obtained TiO2 tubular arrays on stiff and flexible substrates (Fig. 4) [29,36].
Defect minimization and morphology optimization in TiO <inf>2</inf> nanotube thin films, grown on transparent conducting substrate, for dye synthesized solar cell application
2012, Thin Solid FilmsCitation Excerpt :It also prevents direct SEM characterization of TNT tops, which is necessary to optimize the voltage parameters to obtain the required tube diameter. Similar “anomalies” of Ti anodization [19,28] were described in the literature and methods like sonication in diluted HCl or immersion into diluted HF solutions were proposed to remove it [29]. However, it's not always possible to efficiently remove amorphous debris from the TNT top surface—some areas remain covered even after repeated sonication in acid.
The project was supported by the Natural Science Foundation of Jiangsu Province (BK2004129) and the Aeronautical Science Foundation of China (04H52059).