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Metal organic coordination nanometer material, preparation method, use method and sensor

A technology of metal-organic and nanomaterials, applied to metal-organic coordination nanomaterials, can solve problems such as poor stability and insensitivity to carbon dioxide concentration

Active Publication Date: 2022-07-12
BEIJING INST OF RADIO METROLOGY & MEASUREMENT
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present application provides a metal-organic coordination nanomaterial, its preparation, use method and sensor, which solves the problem of insensitivity to carbon dioxide concentration and poor stability in the prior art

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  • Metal organic coordination nanometer material, preparation method, use method and sensor
  • Metal organic coordination nanometer material, preparation method, use method and sensor
  • Metal organic coordination nanometer material, preparation method, use method and sensor

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Embodiment Construction

[0027] In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0028] The technical solutions provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0029] figure 1 The present application is a molecular schematic diagram of the preparation process of the metal organic coordination framework nanomaterial of the present invent...

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Abstract

The invention discloses a metal organic coordination nanometer material, a preparation and use method thereof and a sensor based on the material. According to the metal organic coordination framework nano material,-O-active groups generated by a dehydrogenation reaction of hydroxyl of a molecule 4, 4 '-di-(hydroxyl) quaterphenyl are coordinated with metal atoms to form a metal organic most basic unit, and the unit extends outwards to form the nano material. The material absorbs carbon dioxide and can release the carbon dioxide through heating, so that the material can be repeatedly used. According to the carbon dioxide absorption sensor based on the metal organic coordination frame nanometer material, an air collecting port is connected with a concentration sensing device and then connected with an air outlet, the mechanical pump is used for exhausting air for the device, and the concentration sensor comprises a heater and the metal organic coordination frame nanometer material. The material screens gas molecules without affecting the structural stability. The nano-pores enable metal binding sites to have relatively small steric hindrance, so that reaction proceeding can be increased, and the sensitivity of the material to carbon dioxide is improved.

Description

technical field [0001] The present application relates to the technical field of metal-organic coordination compounds, and in particular, to a metal-organic coordination nanomaterial, a preparation method, a method for using it, and a sensor. Background technique [0002] Carbon dioxide is the main product of animal and plant respiration, the main carbon source for photosynthesis, and has a great impact on biological systems. Carbon dioxide is also measured as an indicator to evaluate the freshness of indoor air. When the concentration of carbon dioxide is too high, people are prone to fatigue and throat irritation and even endanger health. Controlling the concentration of carbon dioxide in a closed environment can control the growth and development of animals and plants, so the technology of adsorption and transfer of carbon dioxide is very important. [0003] Metal-organic framework (MOF) materials are framework structures formed by the coordination of metal atoms and org...

Claims

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Application Information

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IPC IPC(8): C08G83/00G01N33/00
CPCC08G83/008G01N33/004Y02C20/40
Inventor 王亚薇
Owner BEIJING INST OF RADIO METROLOGY & MEASUREMENT
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