Preparation method of flaky semimetal MoTe2: Cu and flaky semimetal MoTe2: Cu/RGO
A semi-metallic and sheet-like technology, applied in the field of electrocatalysts, can solve problems such as complex processes, and achieve the effects of simple processes, low energy consumption, and low equipment costs
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Embodiment 1
[0028] A flake semi-metallic MoTe 2 : Cu and flake semimetal MoTe 2 The preparation method of: Cu / RGO comprises the following steps:
[0029] Step 1: Add 0.004 mol of tellurium powder and 0.008 mol of potassium borohydride into 10 ml of deionized water in a sealed environment and react for 48 hours until complete reaction to obtain Te 2- Te at a concentration of 0.4mol / L 2- Precursor aqueous solution;
[0030] Step 2: Take 0.002 / 7×0.965mol of ammonium paramolybdate and 0.00001mol of copper acetate and dissolve them in 10ml of deionized water, then add 0.005mol of citric acid to obtain a molybdenum ion source precursor solution;
[0031] Step 3: Put Te 2- Precursor aqueous solution and molybdenum ion source precursor solution were placed in the reaction kettle at room temperature for 12 hours, then heated up at a heating rate of 10°C / min to 50°C for 4h, heated to 100°C for 4h, and then heated to 160°C. Thermally reacted for 16 hours, cooled to room temperature, filtered an...
Embodiment 2
[0033] A flake semi-metallic MoTe 2 : Cu and flake semimetal MoTe 2 The preparation method of: Cu / RGO comprises the following steps:
[0034] Step 1: Add 0.004 mol of tellurium powder and 0.008 mol of potassium borohydride into 10 ml of deionized water in a sealed environment and react for 48 hours until complete reaction to obtain Te 2- Te at a concentration of 0.4mol / L 2- Precursor aqueous solution;
[0035] Step 2: Take 0.002 / 7×0.965mol of ammonium paramolybdate and 0.00001mol of copper acetate and dissolve them in 10ml of graphene oxide aqueous solution, then add 0.005mol of citric acid to obtain the molybdenum ion source precursor solution; wherein the graphene oxide aqueous solution The concentration is 1mg / ml;
[0036] Step 3: Put Te 2- Precursor aqueous solution and molybdenum ion source precursor solution were placed in the reaction kettle at room temperature for 12 hours, then heated up at a heating rate of 10°C / min to 50°C for 4h, heated to 100°C for 4h, and th...
Embodiment 3
[0039] A flake semi-metallic MoTe 2 : Cu and flake semimetal MoTe 2 The preparation method of: Cu / RGO comprises the following steps:
[0040] Step 1: Add 0.002 mol of tellurium powder and 0.004 mol of potassium borohydride into 10 ml of deionized water in a sealed environment and react for 48 hours until complete reaction to obtain Te 2- Te at a concentration of 0.2mol / L 2- Precursor aqueous solution;
[0041] Step 2: Take 0.001 / 7×0.965mol of ammonium paramolybdate and 0.000005mol of copper acetate and dissolve them in 10ml of deionized water, then add 0.0025mol of citric acid to obtain a molybdenum ion source precursor solution;
[0042] Step 3: Put Te 2- Precursor aqueous solution and molybdenum ion source precursor solution were placed in the reaction kettle at room temperature for 11 hours, then heated up to 50°C at a heating rate of 20°C / min for 5h, heated to 100°C for 3h, and then heated to 160°C. Thermally reacted for 16 hours, cooled to room temperature, filtered ...
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