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Method for preparing Pb3(PO4)2 nanowire film

A nanowire and thin film technology, applied in the field of preparing Pb32 nanowire thin film, can solve the problems of unsatisfactory requirements, low purity of lead phosphate, irregular shape, etc., and achieve the effect of low cost, easy large-scale production, and regular shape

Active Publication Date: 2017-01-18
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The lead phosphate produced by the above method has low purity, high impurity content, uneven particle size and irregular shape, which cannot meet the requirements of modern industry for lead phosphate whisker materials.

Method used

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  • Method for preparing Pb3(PO4)2 nanowire film
  • Method for preparing Pb3(PO4)2 nanowire film
  • Method for preparing Pb3(PO4)2 nanowire film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (1) The pre-cut conductive glass electrode was ultrasonically cleaned for 3 minutes with analytical acetone, analytical pure ethanol and secondary water respectively, and air-dried to prepare the matrix electrode.

[0019] (2) Measure 1 mL of Pb(NO 3 ) 2 solution, 1 mL of 0.2 mol / L EDTA solution, 3.5 mL of 0.3 mol / L Na 2 S 2 o 3 solution and 4 mL of Na at a concentration of 1.25 mol / L 2 SO 4 The solutions were placed in a 20 mL beaker and mixed evenly to obtain the bottom solution of electrodeposited PbS film.

[0020] (3) set up a three-electrode system in the electrodeposited PbS thin film bottom liquid that step (2) makes, wherein, the substrate electrode that step (1) makes is as working electrode, and Ag / AgCl is reference electrode, and Pt is auxiliary electrode , using cyclic voltammetry for electrodeposition, the scanning range is -1~0V, the scanning speed is 0.05V / s, and the number of scanning segments is 50. After the deposition is completed, the working ...

Embodiment 2

[0026] (1) The pre-cut conductive glass electrode was ultrasonically cleaned for 3 minutes with analytical acetone, analytical pure ethanol and secondary water respectively, and air-dried to prepare the matrix electrode.

[0027] (2) Measure 1 mL of Pb(NO 3 ) 2 solution, 1 mL of 0.2 mol / L EDTA solution, 3.5 mL of 0.3 mol / L Na 2 S 2 o 3 solution and 4 mL of Na at a concentration of 1.25 mol / L 2 SO 4 The solutions were placed in a 20 mL beaker and mixed evenly to obtain the bottom solution of electrodeposited PbS film.

[0028] (3) set up a three-electrode system in the electrodeposited PbS thin film bottom liquid that step (2) makes, wherein, the matrix electrode that step (1) makes is as working electrode, and Ag / AgCl is reference electrode, and Pt is auxiliary electrode , using cyclic voltammetry for electrodeposition, the scanning range is -1~0V, the scanning speed is 0.05V / s, and the number of scanning segments is 60. After the deposition is completed, the working ele...

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Abstract

The invention discloses a method for preparing a Pb3(PO4)2 nanowire film. The method comprises the following steps: depositing PbS on the surface of an electrode by using an electric deposition way to form a carrier film, immersing the electrode in a PBS buffer solution, growing for 48 to 72 hours in a constant-temperature water-bath pot, and finally taking out the electrode, wherein the Pb3(PO4)2 nanowire film spontaneously grows on the electrode. The method is simple in preparation process; and the prepared Pb3(PO4)2 nanowire film is large in adhesive force, regular in shape, large in length-diameter ratio, homogenous in diameter, high in efficiency, low in cost and easy in mass production and has potential application value in the fields such as electrode materials, sensors, plasticizers and the like.

Description

technical field [0001] The invention belongs to the field of nano film materials, in particular to a method for preparing Pb 3 (PO 4 ) 2 nanowire film approach. Background technique [0002] Pb 3 (PO 4 ) 2 Usually hexagonal colorless crystal or white powder, insoluble in water and alcohol, soluble in nitric acid, incombustible, slowly hydrolyzed in hot water, is an important inorganic salt product, commonly used as electrode material and plastic stabilizer in industry, It is also one of the best ferroelastic compounds currently recognized. At present, the main production methods at home and abroad are as follows: at room temperature, lead phosphate is synthesized in one step by direct precipitation in aqueous solution using lead nitrate and sodium phosphate as raw materials. The lead phosphate produced by the above method has low purity, high impurity content, uneven particle size and irregular shape, which cannot meet the requirements of modern industry for lead phos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B82B3/00B82Y40/00
CPCB82B3/0038B82Y40/00
Inventor 潘宏程汤红园李建平
Owner GUILIN UNIVERSITY OF TECHNOLOGY
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