Preparing method of nano-nickel phosphide

Abstract

The invention relates to a preparing method of nano-nickel phosphide. The preparing method comprises the steps of adopting nickel sulfate hexahydrate and yellow phosphorous and adding dipotassium phosphate to conduct liquid phase reduction reaction to prepare nano-nickel phosphide sol; conducting microwave heating reaction, centrifugation, ethyl alcohol rinsing and drying to obtain the nano-nickel phosphide. According to the preparing method of the nano-nickel phosphide, the prepared nano-nickel phosphide has an uniform particle size, good dispersibility, and the particle diameter is smaller than 10 nm; meanwhile, a microwave-hydrothermal method is adopted to replace a traditional hydrothermal method so as to obtain the nano-nickel phosphide, and the preparing method of the nano-nickel phosphide is characterized by having a simple technology, a short production cycle, energy conversation and environment protection property, a good safety property and the like.

Description

technical field [0001] The invention relates to the technical field of nanomaterial preparation, in particular to a preparation method of nanometer nickel phosphide. Background technique [0002] Nano-nickel phosphide has excellent heat transfer, electrical conductivity, surface activity and catalytic properties, and has great application value in the fields of optics, catalysis, microelectronics, biosensing, and antibacterial. Nano-nickel phosphide powders with different shapes have different properties. For example, spherical nano-nickel phosphide powders with small particle size and narrow particle size distribution have good antibacterial and conductive properties. [0003] The traditional preparation of nano-nickel phosphide can be divided into physical method and chemical method. The physical method can obtain nano-nickel phosphide powder with high purity, but there are defects such as high production cost, large investment, low output, and high difficulty in industri...

AI Technical Summary

Problems solved by technology

The physical method can obtain nano-nickel phosphide powder with high purity, but there are defects such as high production cost, large investment, low output, and high difficulty in industrialization. The physical method has high requirements for equipment and expensive production costs, and is not suitable for the current economic conditions. and industrial base

The chemical method is a common method for the preparation of nano-nickel phosphide. This method is to reduce metal ions with yellow phosphorus under the wrapping of a surfactant in a solvent system or aqueous solution to form a simple substance of nano-nickel phosphide. The nano-nickel phosphide prepared by this method is Nickel phosphide has good stability and dispersion, but the output is low, the process is complex and difficult to control, and industrial production is difficult