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
CN110729915AActive Publication Date: 2020-01-24SOUTHWEST UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SOUTHWEST UNIVERSITY
Publication Date
2020-01-24

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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.
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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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