Solvothermal synthesis and microstructure of TiO₂ nanowires on transparent conducting oxide substrate
by Ho Sy Van Minh; Nguyen Hoa Du; Luu Tien Hung; Nguyen Thi Quynh Hoa
International Journal of Nanotechnology (IJNT), Vol. 10, No. 3/4, 2013

Abstract: TiO₂ nanowires were synthesised directly on FTO by solvothermal method. X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM) and high-resolution transmission electron microscopy (HRTEM) were used to characterise the TiO₂ nanowires. The TiO₂ nanowire formation was critically affected by reaction temperature and titanium precursor. The high density and well-aligned TiO₂ nanowires were formed using a mixed precursor of TiCl₄ and Ti(OC₄H₉)₄ at 180°C. The nanowires had a single-crystalline structure and grew along the <001> zone-axis rutile phase. This approach represents an advance toward a low-temperature growth of well-aligned TiO₂ nanowires on transparent conducting oxide for their potential applications in dye-sensitised solar cell.

Online publication date: Fri, 05-Apr-2013

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