Zinc oxide/titanium oxide double-layer nanorod array heterojunction structure and preparation method thereof
A nanorod array, titanium oxide technology, applied in nanotechnology, nanotechnology, semiconductor/solid-state device manufacturing, etc., to achieve the effects of good structural consistency, enhanced light scattering, and highly ordered orientation
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Embodiment 1
[0039] A zinc oxide / titanium oxide double-layer nanorod array heterojunction structure, the preparation of which comprises the following steps:
[0040] 1) With the cleaned FTO conductive glass as the substrate, TiO is sputtered on the substrate by radio frequency magnetron sputtering 2 Nanocrystalline seed layer film;
[0041]2), grow TiO in step 1) 2 Nanocrystalline seed layer film of FTO conductive glass into TiO 2 The hydrothermal reaction was carried out in the precursor solution (the hydrothermal reaction temperature was 160°C, and the hydrothermal reaction time was 4h), so that the TiO 2 Growth of TiO on Nanocrystalline Seed Layer Thin Films 2 nanorod arrays;
[0042] 3), with TiO grown in step 2) 2 The FTO conductive glass of the nanorod array was used as the substrate, and the TiO 2 The top of the nanorod array was deposited to obtain ZnO nanoparticles, and after the sputtering was completed, the FTO conductive glass was annealed in air at 450°C for 60min, there...
Embodiment 2
[0053] A zinc oxide / titanium oxide double-layer nanorod array heterojunction structure, the preparation of which comprises the following steps:
[0054] 1) With the cleaned FTO conductive glass as the substrate, TiO is sputtered on the substrate by radio frequency magnetron sputtering 2 Nanocrystalline seed layer film;
[0055] 2), grow TiO in step 1) 2 Nanocrystalline seed layer film of FTO conductive glass into TiO 2 The hydrothermal reaction was carried out in the precursor solution (the hydrothermal reaction temperature was 160°C, and the hydrothermal reaction time was 7h), so that the TiO 2 Growth of TiO on Nanocrystalline Seed Layer Thin Films 2 nanorod arrays;
[0056] 3), with TiO grown in step 2) 2 The FTO conductive glass of the nanorod array was used as the substrate, and the TiO 2 The top of the nanorod array was deposited to obtain ZnO nanoparticles, and after the sputtering was completed, the FTO conductive glass was annealed in air at 450°C for 60min, ther...
Embodiment 3
[0061] A zinc oxide / titanium oxide double-layer nanorod array heterojunction structure, the preparation of which comprises the following steps:
[0062] 1) With the cleaned FTO conductive glass as the substrate, TiO is sputtered on the substrate by radio frequency magnetron sputtering 2 Nanocrystalline seed layer film;
[0063] 2), grow TiO in step 1) 2 Nanocrystalline seed layer film of FTO conductive glass into TiO 2 The hydrothermal reaction was carried out in the precursor solution (the hydrothermal reaction temperature was 160°C, and the hydrothermal reaction time was 10h), so that the TiO 2 Growth of TiO on Nanocrystalline Seed Layer Thin Films 2 nanorod arrays;
[0064] 3), with TiO grown in step 2) 2 The FTO conductive glass of the nanorod array was used as the substrate, and the TiO 2 The top of the nanorod array was deposited to obtain ZnO nanoparticles, and after the sputtering was completed, the FTO conductive glass was annealed in air at 450°C for 60min, the...
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