a kind of al 2 o 3 -ag@tio 2 Nanorod photoanode composite material and preparation method thereof
A composite material and nanorod technology, which is applied in the field of Al2O3-Ag@TiO2 nanorod photoanode composite material and its preparation, can solve the problems of increasing electronic recombination, reducing the photoelectric conversion efficiency of solar cells, and complicated electronic transmission paths, etc. The preparation circuit is simple, the process is precise and controllable, and the effect of promoting the separation of photogenerated carriers
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[0039] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0040] The embodiment of the present invention provides an Al 2 O 3 -Ag@TiO 2 Nanorod photoanode composite made of Al 2 O 3 TiO2 nanorod arrays (5-50 nm in thickness) coated with Ag particles are assembled.
[0041] an Al 2 O 3 -Ag@TiO 2 The preparation method of nanorod photoanode composite material comprises the following steps:
[0042] 1) TiO 2 Nanorod array preparation:
[0043] Add 0.5ml of tetra-n-butyl titanate and 1...
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