Preparation method of Ir nanowire with nano holes and obtained material and application thereof
A nano-hole and nano-wire technology, applied in the field of Ir nano-wire materials, can solve the problems of cumbersome and complicated steps, long time-consuming, etc., and achieve the effects of simple and fast operation, easy operation and high catalytic activity.
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Embodiment 1
[0024] A method for ultrafast and macro-scale preparation of Ir nanowires with nanoholes, comprising the following steps:
[0025] 1) Preparation of reaction solution: Measure 10mL of aqueous solution as a solvent in a 25ml reactor liner, add 1mL of 0.5mol L -1 PAH solution was used as a shape-directing agent, adding 1mL 0.05mol L -1 IrCl 3 The solution was used as a precursor, and after stirring for 30 minutes, NaOH solution was added to adjust the pH of the solution to 10. After ultrasonication for 30 minutes, 1 mL of 40% formaldehyde solution was added.
[0026] 2) Preparation of Ir nanowires with nanoholes: place the prepared reaction solution in an oven at 200°C for 8 hours, and centrifuge and wash the brown-black product three times with a solution of deionized water:ethanol=3:1 after the reaction , Ir nanowires with nanoholes can be obtained by vacuum drying at room temperature for 6 h.
Embodiment 2
[0028] A method for ultrafast and macro-scale preparation of Ir nanowires with nanoholes, comprising the following steps:
[0029] 1) Preparation of reaction solution: Measure 10mL of aqueous solution as a solvent in a 25ml reactor liner, add 1.5mL of 0.5mol L -1 PAH solution of 0.05mol L -1 IrCl 3 The solution was used as a precursor, and after stirring for 30 minutes, NaOH solution was added to adjust the pH of the solution to 10. After ultrasonication for 30 minutes, 1 mL of 40% formaldehyde solution was added.
[0030] 2) Preparation of Ir nanowires with nanoholes: place the prepared reaction solution in an oven at 200°C for 8 hours, and centrifuge and wash the brown-black product three times with a solution of deionized water:ethanol=3:1 after the reaction , Ir nanowires with nanoholes can be obtained by vacuum drying at room temperature for 6 h.
Embodiment 3
[0032] A method for ultrafast and macro-scale preparation of Ir nanowires with nanoholes, comprising the following steps:
[0033] 1) Preparation of reaction solution: Measure 10mL of aqueous solution as a solvent in a 25ml reactor liner, add 0.1mL of 0.5mol L -1 PAH solution was used as a shape-directing agent, adding 1.5mL 0.05mol L -1 IrCl 3 The solution was used as a precursor, after stirring for 30 minutes, NaOH solution was added to adjust the pH of the solution to 9, and after 30 minutes of ultrasonication, 1 mL of 40% formaldehyde solution was added.
[0034] 2) Preparation of Ir nanowires with nanoholes: place the prepared reaction solution in an oven at 200°C for 8 hours, and centrifuge and wash the brown-black product three times with a solution of deionized water:ethanol=3:1 after the reaction , Ir nanowires with nanoholes can be obtained by vacuum drying at room temperature for 6 h.
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