Hetero-structured copper oxide-composited titanium oxide nanowire array synthesized by hydrothermal method
A technology of nanowire array and heterostructure, applied in the direction of metal/metal oxide/metal hydroxide catalyst, nanotechnology, nanotechnology, etc. Low mobility and other issues, to achieve the effect of simple process, improved hydrogen production efficiency and low cost
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Embodiment 1
[0025] (1) Slowly dissolve 1.4 mL of n-butyl titanate in 60 mL of 6 M hydrochloric acid solution and stir to obtain transparent TiO 2 Precursor;
[0026] (2) TiO 2 The precursor solution is transferred to the reaction kettle, and the cleaned FTO substrate is added;
[0027] (3) The reaction kettle was reacted at 180 °C for 4 h, then cooled to room temperature naturally, and the obtained products were washed with deionized water and absolute ethanol respectively;
[0028] (4) TiO will be obtained 2 The nanowire array was placed in 50 mL Cu(OAc) 2 In the ethanol solution, the solution concentration was 0.01 M, and reacted at 130 °C for 20 h, and the substrate was cleaned with deionized water and absolute ethanol respectively;
[0029] (5) Place the substrate in 50 mL Cu(OAc) 2 In the aqueous solution, the solution concentration is 0.05M, react at 85 °C for 4 h, and the product is washed with deionized water and absolute ethanol respectively;
[0030] (6) Finally, the subst...
Embodiment 2
[0032] (1) Slowly dissolve 1.2 mL of n-butyl titanate in 60 mL of 6 M hydrochloric acid solution and stir to obtain transparent TiO 2 Precursor;
[0033] (2) TiO 2 The precursor solution is transferred to the reaction kettle, and the cleaned FTO substrate is added;
[0034] (3) The reaction kettle was reacted at 180 °C for 4 h, then cooled to room temperature naturally, and the obtained products were washed with deionized water and absolute ethanol respectively;
[0035] (4) TiO will be obtained 2 The nanowire array was placed in 50 mL Cu(OAc) 2 In the ethanol solution, the solution concentration was 0.01 M, and reacted at 130 °C for 20 h, and the substrate was cleaned with deionized water and absolute ethanol respectively;
[0036] (5) Place the substrate in 50 mL Cu(OAc) 2 In the aqueous solution, the solution concentration is 0.05M, react at 85 °C for 4 h, and the product is washed with deionized water and absolute ethanol respectively;
[0037] (6) Finally, the subst...
Embodiment 3
[0039] (1) Slowly dissolve 1.0 mL of n-butyl titanate in 60 mL of 6 M hydrochloric acid solution and stir to obtain transparent TiO 2 Precursor;
[0040] (2) TiO 2 The precursor solution is transferred to the reaction kettle, and the cleaned FTO substrate is added;
[0041] (3) The reaction kettle was reacted at 140 °C for 12 h, then cooled to room temperature naturally, and the obtained products were washed with deionized water and absolute ethanol respectively;
[0042] (4) TiO will be obtained2 The nanowire array was placed in 50 mL Cu(OAc) 2 In the ethanol solution, the solution concentration was 0.02 M, reacted at 120 °C for 25 h, and the substrate was cleaned with deionized water and absolute ethanol respectively;
[0043] (5) Place the substrate in 50 mL Cu(OAc) 2 In the aqueous solution, the solution concentration is 0.05M, react at 85 °C for 4 h, and the product is washed with deionized water and absolute ethanol respectively;
[0044] (6) Finally, the substrate ...
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