Semi-hemicyanine derivatives with photoelectrochemistry activity and self-assembly polyoxometallate film
A technology of polyoxometalate and hemicyanine derivatives, applied in photovoltaic power generation, circuits, electrical components, etc., to improve photoelectrochemical performance and inhibit recombination
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Embodiment 1
[0013] Embodiment 1: (BW 11 Co / BDMASP) n Preparation of multilayer organic-inorganic thin films
[0014] First, clean the quartz substrate and ITO glass substrate: place the quartz substrate in newly prepared 30% H 2 o 2 with 98%H 2 SO 4 Soak in (3:7v / v) mixture for 2h, take it out and wash it with distilled water; then immerse in NH 3 ·H 2 O(25%):H 2 o 2 (30%): H 2 O=1:1:5 (V / V / V) in a 70°C mixed solution for 20 minutes, washed with distilled water after taking it out, and blown dry with nitrogen to obtain a quartz substrate for film formation. Clean the conductive glass substrate: clean the conductive glass substrate with detergent, take it out, wash it with distilled water, and then enter the NH 3 ·H 2 O(25%):H 2 o 2 (30%): H 2 O=1:1:5 (V / V / V) 70°C mixed solution was ultrasonically cleaned for 10 minutes, washed with distilled water after taking it out, and dried with nitrogen to obtain a conductive glass substrate for film formation.
[0015] Then silanize t...
Embodiment 2
[0019] Embodiment 2: (BW 11 Ni / BDMASP) n Preparation of multilayer organic-inorganic thin films
[0020] Synthesis steps and testing steps refer to Example 1. The immersion solution of the protonated substrate adopts 1.0×10 -3 M's BW 11 Ni solution.
[0021] The UV-Vis spectrum shows that the prepared films have BW at wavelengths of 264nm and 479nm 11 The absorbance of Ni / BDMASP increases linearly with the increase of the number of layers, indicating that the prepared films have good uniform growth.
Embodiment 3
[0022] Embodiment 3: (BW 11 Cu / BDMASP) n Preparation of multilayer organic-inorganic thin films
[0023] Synthesis steps and testing steps refer to Example 1. The immersion solution of the protonated substrate adopts 1.0×10 -3 M's BW 11 Cu solution.
[0024] The UV-Vis spectrum shows that the prepared films have BW at wavelengths of 264nm and 481nm 11 The absorbance of Cu / BDMASP increases linearly with the increase of the number of layers, indicating that the prepared films have good uniform growth.
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