Vanadium-doped strontium titanate nanofiber and preparation method and application thereof

A nanofiber, strontium titanate technology, applied in nanotechnology, nanotechnology, fiber chemical characteristics, etc., can solve problems such as poor electrical conductivity, and achieve the effect of improving piezoelectric performance, strong piezoelectric catalytic activity, and improving piezoelectric performance.
CN111996618AActive Publication Date: 2020-11-27SUZHOU UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SUZHOU UNIV
Publication Date
2020-11-27

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Abstract

The invention discloses vanadium-doped strontium titanate nanofiber. A preparation method of the vanadium-doped strontium titanate nanofiber includes the following steps that electrostatic spinning isconducted on a vanadium-doped strontium titanate electrostatic spinning precursor solution to obtain a fiber film; and the fiber film is calcined, and the vanadium-doped strontium titanate nanofiberis obtained, wherein the vanadium-doped strontium titanate electrostatic spinning precursor solution includes vanadium salt, strontium salt, titanium salt, high polymers and solvent. In construction of piezoelectric catalysis nanometer materials, the vanadium-doped strontium titanate nanofiber piezoelectric material has a non-centrosymmetry structure, is an excellent ferroelectric material, has aninternal space charge layer, can effectively generate piezoelectric inductive charges and has good piezoelectric performance, and under external ultrasonic vibration, the material can effectively degrade and remove organic pollutant in a water body.
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Description

technical field

[0001] The invention relates to the technical field of nano piezoelectric materials and piezoelectric catalysis, in particular to a preparation method of a vanadium-doped strontium titanate nanofiber piezoelectric material and its application to piezoelectric catalysis for removing organic pollutants in water bodies. Background technique

[0002] In recent years, the piezoelectric effect caused by the piezoelectric polarization of piezoelectric materials has been widely used in sensors, nanogenerators, and piezoelectric field-effect transistors. In addition, the application of nanostructured piezoelectric materials in photocatalytic environmental remediation and water splitting has also attracted widespread attention, as the piezoelectric effect can enhance the separation of photogenerated carriers, thereby improving the performance of piezoelectric semiconductor catalysts. photocatalytic activity. Recently, researchers have discovered a new piezoelectric ph...

Claims

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