Preparation method of water supramolecular motor

A technology of molecular motors and water molecules, applied in electrostatic generators/motors, electrical components, electrostatic motors, etc., can solve problems such as small or negligible rotational barriers, high rotational potential barriers, and low work efficiency

Active Publication Date: 2020-01-24
SOUTHWEST UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These molecular motors are covalent molecular motors, and their rotors and stators are covalently linked together, which results in a high rotational barrier and low work efficiency
However, the stator and rotor of the water supramolecular mo...

Method used

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  • Preparation method of water supramolecular motor
  • Preparation method of water supramolecular motor
  • Preparation method of water supramolecular motor

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Embodiment Construction

[0024] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0025] A preparation method of a water supramolecular motor, comprising the steps of:

[0026] S1, see figure 1 , the device for preparing water clusters and water molecular chains by highly directional cracking graphite surface includes a magnetic handle 1, a magnetic sampling rod 2, a molecular pump 3, a micro-leakage valve 4, a sample seat 5, a sample 6 and a vacuum chamber 7, The magnetic handle 1 is arranged outside the vacuum chamber and connected to one end of the magnetic sample transfer rod 2, the other end of the magnetic sample transfer rod 2 is connected to the sample holder 5, and the sample holder 5 is used to fix the conductive metal plate 6, Entering or withdrawing from the vacuum chamber 7 is controlled by the magnetic sampling rod 2; the micro-leakage valve 4 is arranged on the right side of the vacuum chamber 7 for providing water molecules, and t...

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Abstract

The invention discloses a preparation method of a water supramolecular motor. The method comprises steps that S1, highly-oriented pyrolytic graphite is adhered to a conductive metal plate by using low-temperature conductive silver adhesive, degassing is performed, then water molecules are deposited on a surface of the highly-oriented pyrolytic graphite in situ by using a microleakage valve at thetemperature of 90-110K, and self-assembling is performed to form a water cluster and a water molecular chain; S2, a graphite sample adsorbed with the water molecules is moved into a scanning tunnel microscope, the working environment is ultra-high vacuum, the temperature is 77 K, a needle tip of the scanning tunnel microscope is arranged above the water cluster, a voltage pulse is applied to inject tunneling electrons into the water cluster, and a negative electricity water cluster is formed; and S3, the negative electricity water cluster attracts a water molecular chain through electrostaticinteraction, the water molecular chain rotates clockwise or anticlockwise around the negative electricity water cluster under the driving of tunneling electrons, and the water supramolecular motor with the negative electricity water cluster as a stator and the water molecular chain as a rotor is obtained. The method is advantaged in that the water supramolecular motor can be prepared on a solid surface.

Description

technical field [0001] The invention relates to the preparation of a molecular motor, in particular to a preparation method of a water supramolecular motor. Background technique [0002] A molecular motor is a nanomachine that converts external energy (heat, chemical, light, or electricity) into directional motion or rotation. According to different working environments, molecular motors can be divided into molecular motors in solution and molecular motors on solid surfaces. In nature, most molecular motors work near interfaces, so molecular motors mounted on solid surfaces have always been a research hotspot in nanoscience. [0003] In the field of life sciences, all activities of living organisms are maintained by the work push of protein macromolecules with motor functions, such as muscle contraction, material transportation, cell division, DNA replication, etc., and water is indispensable for living organisms to maintain life activities. Therefore, the preparation of w...

Claims

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Application Information

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IPC IPC(8): H02N1/00
CPCH02N1/002
Inventor 孙凯王俊忠陶敏龙涂玉兵
Owner SOUTHWEST UNIVERSITY
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