Cadmium sulfide nanoparticle/molybdenum disulfide nanobelt heterostructure catalyst for splitting water to produce hydrogen under visible light and preparation method thereof
A technology of molybdenum disulfide and nanoparticles, which is applied in the direction of catalyst activation/preparation, physical/chemical process catalysts, chemical instruments and methods, etc., can solve the problem of unsatisfactory photocatalytic activity, achieve enhanced absorption capacity, and improve hydrogen production capacity Effect
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example 1
[0026] Example 1: A Cadmium Sulfide Nanoparticle / Molybdenum Disulfide Nanobelt Heterostructure Catalyst for Hydrogen Production under Visible Light and Its Preparation Method
[0027] Specific steps are as follows:
[0028] (1) Dissolve 1g of ammonium molybdate in 40ml of deionized water, then add 8ml of concentrated nitric acid (mass fraction is 95%), and obtain solution A after stirring;
[0029] (2) Add the solution A into the hydrothermal reaction kettle and heat the reaction in an oven at 180°C for 12h.
[0030] (3) Centrifuge the solution after the reaction for several times and wash the obtained substance with ethanol and deionized water several times to obtain molybdenum trioxide nanobelts.
[0031] (4) Put 0.1g of molybdenum trioxide nanobelt in the crucible, which is designated as crucible A; put 1g of thiourea in the crucible, which is designated as crucible B. Put crucible B and crucible A into the muffle furnace in sequence, with a distance of 10 cm between them...
example 2
[0035] Example 2: A cadmium sulfide nanoparticle / molybdenum disulfide nanobelt heterostructure catalyst for hydrogen production under visible light and its preparation method
[0036] Specific steps are as follows:
[0037] (1) Dissolve 1g of ammonium molybdate in 40ml of deionized water, then add 6ml of concentrated nitric acid (mass fraction is 95%), and obtain solution A after stirring;
[0038] (2) Add solution A into the hydrothermal reaction kettle and heat the reaction in an oven at 180°C for 12 hours;
[0039] (3) The solution after the reaction is completed is centrifuged multiple times and the resulting substance is washed multiple times with ethanol and deionized water to obtain molybdenum trioxide nanobelts;
[0040] (4) Put 0.15g of molybdenum trioxide nanobelt in a crucible, which is designated as crucible A; put 1g of thiourea in the crucible, which is designated as crucible B. Put crucible B and crucible A into the muffle furnace in turn, with a distance of 8...
example 3
[0044] Example 3: A cadmium sulfide nanoparticle / molybdenum disulfide nanobelt heterostructure catalyst for hydrogen production under visible light and its preparation method
[0045]Specific steps are as follows:
[0046] (1) Dissolve 1g of ammonium molybdate in 40ml of deionized water, then add 9ml of concentrated nitric acid (mass fraction is 95%), and obtain solution A after stirring;
[0047] (2) Add the solution A into the hydrothermal reaction kettle and heat the reaction in an oven at 180°C for 12h;
[0048] (3) The solution after the reaction is completed is centrifuged multiple times and the resulting substance is washed multiple times with ethanol and deionized water to obtain molybdenum trioxide nanobelts;
[0049] (4) Put 0.08g of molybdenum trioxide nanobelt in the crucible, which is designated as crucible A; put 1g of thiourea in the crucible, which is designated as crucible B. Put crucible B and crucible A into the muffle furnace in sequence, with a distance ...
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