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Alloy nanotube and manufacturing method thereof

A technology of alloy nano and metal, which is applied in the field of nano materials, can solve the problems of alloy nanotubes that have not been reported in the literature, and achieve the effect of improving the scope of application

Inactive Publication Date: 2009-07-01
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, as far as we know, there is no literature report on the preparation of alloy nanotubes

Method used

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  • Alloy nanotube and manufacturing method thereof
  • Alloy nanotube and manufacturing method thereof
  • Alloy nanotube and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 1) prepare the electrolyte solution of two kinds of metal ions:

[0030] ①Add 30ml of 0.1mol / l ammonium tartrate solution into a 50ml beaker, then pour 10ml of 0.2mol / l ferrous sulfate solution into the ammonium tartrate solution, stir to obtain a light yellow colloid, drop in concentrated ammonia water to make It dissolves and adjusts the pH of the solution to 8.5;

[0031] ②Add 30ml of 0.05mol / l citric acid solution into a 50ml beaker, then add 10ml of 0.01mol / l palladium chloride, heat and stir until the precipitate dissolves, and obtain a yellow-brown solution. Adjust the pH value of the solution to 8.5 with concentrated ammonia water ;

[0032] ③ Mix the solutions prepared in steps ① and ②, then add 10ml of 0.5mol / l ammonium chloride solution, and adjust the pH value of the solution to 8.5 with concentrated ammonia water;

[0033] 2) The aluminum oxide template was ultrasonically treated for 15 minutes with solvents of different polarities (water, ethanol and ace...

Embodiment 2

[0038] 1) prepare the electrolyte solution of two kinds of metal ions:

[0039] ①Add 30ml of 0.3mol / l ammonium tartrate solution into a 50ml beaker, then pour 10ml of 0.1mol / l cobalt chloride hexahydrate into the ammonium tartrate solution to obtain a purple-red solution, and drop concentrated ammonia water to adjust the solution The pH value is 9.5;

[0040] ② Add 30ml of 0.1mol / l citric acid solution into a 50ml beaker, then add 10ml of 0.03mol / l chloroplatinic acid, heat and stir until the precipitate dissolves, and obtain a light yellow solution. Adjust the pH value of the solution to 9.5 with concentrated ammonia water ;

[0041] ③ Mix the solutions prepared in steps ① and ②, then add 10ml of 1mol / l ammonium chloride solution, and adjust the pH value of the solution to 9.5 with concentrated ammonia water;

[0042] 2) Before using the etched polycarbonate template, use solvents of different polarities (water, ethanol and acetone) to perform ultrasonic treatment for 30 minu...

Embodiment 3

[0047] 1) prepare the electrolyte solution of two kinds of metal ions:

[0048] ①Add 30ml of 0.3mol / l ammonium tartrate solution into a 50ml beaker, then pour 10ml of 0.25mol / l ferrous sulfate heptahydrate solution into the ammonium tartrate solution, stir to obtain light yellow colloid, drop into concentrated Ammonia makes it dissolve, and the pH value of adjusting solution is 6;

[0049] ②Add 30ml of 0.075mol / l citric acid solution into a 50ml beaker, then add 10ml of 0.02mol / l chloroplatinic acid, heat and stir until the precipitate dissolves, and obtain a light yellow solution. Adjust the pH of the solution to 6 with concentrated ammonia water ;

[0050] ③ Mix the solutions prepared in steps ① and ②, then add 10ml of 0.8mol / l ammonium chloride solution, and adjust the pH value of the solution to 6 with concentrated ammonia water;

[0051] 2) Before using the Al2O3 template, ultrasonically treat it with solvents of different polarities (water, ethanol and acetone) for 20 ...

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Abstract

The invention discloses an alloy nano-tube and a preparation method thereof, which belong to the field of nanometer material. The alloy nano-tube is a solid solution, a metal compound or an amorphous state formed by two transition metal elements, namely A and B, wherein the A accounts for 15.3 to 86.4 percent of the total amount, and the B accounts for 13.6 to 84.7 percent of the total amount. The preparation method comprises the following steps: a formwork with a layer of gold or platinum film introduced into the back side is soaked in an electrolysis bath containing metal ion A and B, and is electrodeposited under certain voltage and current conditions to obtain a binary alloy nano-tube. Binary alloy nano-tubes with different diameters, different lengths and different components can be obtained by adopting formworks with nanochannels with different inner diameters, controlling the electrodeposition time and adjusting cathode current density. The binary alloy nano-tube has simple preparation process, mild reaction conditions, strong controllability and good application prospect.

Description

technical field [0001] The invention belongs to the field of nanometer materials, in particular to highly ordered and diameter-controllable metal alloy nanotube arrays and a preparation method thereof. Background technique [0002] Metal nanotubes have attracted extensive attention due to their importance in the basic research of low-dimensional physics and their future application prospects in the fields of ultra-large integrated circuits, single-electron devices, electroluminescence, chemical sensors, and perpendicular magnetic recording. A lot of research has been done on the synthesis of metal nanotubes, but there is no general method for the synthesis of metal nanotubes so far. In the current existing technology, there are physical methods for preparing nanotubes, which mainly include laser ablation method, evaporation condensation method, arc discharge method, etc.; chemical methods, mainly including chemical vapor deposition method, solution reaction method and templa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C30B30/02C30B29/52C30B29/62
Inventor 王峰刘恒君赵永彬刘景军
Owner BEIJING UNIV OF CHEM TECH
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