Preparation method of gold/copper selenide/cobalt-nickel layered double hydroxide composite paper
A hydroxide, copper selenide technology, applied in organic compound/hydride/coordination complex catalysts, chemical instruments and methods, chemical/physical processes, etc., can solve problems such as affecting photocatalytic performance
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Embodiment 1
[0017] The preparation method of gold-copper selenide-cobalt nickel layered double hydroxide composite paper, the specific preparation scheme is as follows:
[0018] (1) First use Adobe illustrator CS6 software to design the batik pattern on the paper base, then print the designed batik pattern on the paper base with a wax printer model of Color Qube 8580, and finally place the batik paper base in an oven at 120 °C Heating for 50 s to obtain a hydrophilic region of the paper substrate;
[0019] (2) Prepare the paper-based conductive substrate. The process is divided into two steps. The first step is to synthesize gold seeds. First, 80 mL of secondary water is heated to 90 °C, and then 1.0 mL of 25 mM chloroauric acid solution is added. Then the obtained mixture was heated at 95 °C for 1 min, and finally 3 mL of sodium citrate solution with a mass fraction of 1% was added, and the heating was continued for 15 min to obtain a gold seed solution; the second step was obtained in s...
Embodiment 2
[0022] The preparation steps are the same as in Example 1, the difference is that in step (2), the second step is to grow gold nanoparticles on the surface of the hydrophilic area of the paper substrate by in-situ growth method, and the growth solution used is composed of 30 mM chloroauric acid and Concentration of 4 mM sodium borohydride composition.
Embodiment 3
[0024] The preparation steps are the same as in Example 1, except that the deposition voltage used in the first step in step (3) is -0.2 V.
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