Light conversion enhanced photocatalysis composite material and preparation method thereof
A composite material and photocatalytic technology, which is applied in the field of light conversion enhanced photocatalytic composite material and its preparation, to achieve high stability, stable performance, and high photon conversion efficiency
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[0020] 1. (1) will be doped with 2mol% Yb 3+ and 0.1mol% Tm 3+ A transparent rare earth silicate glass rod (commercially available, 3.0 mm in diameter, such as figure 1 Shown in part 1 of ) in absolute ethanol solution to wash 2 times to remove surface impurities. (2) Ta with a purity of 99.99% 2 o 5As the raw material of the photocatalytic film layer, a certain thickness of Ta was deposited on the surface of the glass rod by radio frequency magnetron sputtering. 2 o 5 Nano-membrane, the thickness of the nano-membrane is controlled to be about 450 nanometers. (3) Deposit Ta on the surface 2 o 5 The transparent rare earth silicon hydrochloric acid glass rod with nano-film layer is placed in an atmosphere furnace with ammonia gas (20mL / min), and treated at 800°C for 15 hours, which can make Ta 2 o 5 The film is transformed into a TaON film. (4) the transparent rare earth silica hydrochloric acid glass rod that the surface is coated with TaON nanofilm is in the H of 5% ...
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