Device for preparing nano fibers with ordered arrangement and cross structures

Abstract

The invention belongs to the technical field of electrostatic spinning, and relates to a low-pressure centrifugal electrostatic spinning device for preparing nano fibers with ordered arrangement and cross structures for nano electronic devices and optical devices. A spinning solution container with a processed hollow stainless steel needle is fixed on the upper side of an insulating rotary table, a rotary shaft of a rotary motor is connected with the insulating rotary table together through an insulating support body and drives the insulating rotary table to rotate, the processed hollow stainless steel needle is connected with an anode of a high-voltage power supply, a metal rod coaxial with the rotary shaft is fixed at the circle center of the insulating rotary table, and the metal rod is communicated with the processed hollow stainless steel needle through a metal lead; both a rotational speed control panel of the motor and the high-voltage power supply or a voltage control panel have a power supply switch and an adjusting knob; and the cathode of the high-voltage power supply is connected with an annular metal collector and grounded. The device has the advantages of simple structure, reliable principle, low working voltage and good safety; and the prepared nano fibers have high order degree and attractive appearance.

Description

Technical field: [0001] The invention belongs to the technical field of electrospinning, and relates to a low-pressure centrifugal electrospinning device for preparing nanofibers with ordered arrangement and cross structure that can be used for nanometer electronic devices and optical devices. Background technique: [0002] Electrospinning is a simple and easy method that can directly prepare continuous fibers from polymers and composite materials. Its outstanding advantages are low equipment and experimental costs, high fiber yield, and large specific surface area of ​​the prepared fibers. (The fiber diameter is in the range of several nanometers to several micrometers), and applicable to many different kinds of materials, electrospun nanofibers have a wide range of potential applications in civil, military and many other fields. The principle and equipment of electrospinning are simple. The high-voltage power supply provides high voltage. The positive electrode is connecte...

AI Technical Summary

Problems solved by technology

According to the search, there are no mature reports on the technical methods and equipment combining electrospinning technology and centrifugal spinning technology at present. A low-voltage centrifugal electrospinning technology is sought, which uses low voltage and can prepare ordered arrangements and cross structures. The nanofibers, and then the technical methods and equipment devices for preparing nanoelectronic devices and optical devices have important scientific significance and broad application prospects

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