Bionic antireflection light-heat sensing material based on continuous gradient micro-nano structure and preparation method of bionic antireflection light-heat sensing material

By introducing a biomimetic design of continuously gradient micro-nano structures into flexible electronic materials, the problems of interface peeling and low photothermal conversion efficiency have been solved, realizing a flexible sensing material with high-efficiency photothermal conversion and stability, which is suitable for non-invasive health monitoring and biomimetic interaction.

CN122167796APending Publication Date: 2026-06-09JILIN UNIVERSITY +1
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Patent Information

Application Number
CN202610524326.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-20
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing flexible electronic materials suffer from problems such as interface peeling, performance drift, and low photothermal conversion efficiency in strain monitoring and photothermal conversion, making it difficult to meet the sensing needs of non-invasive health monitoring and biomimetic flexible interaction.

Method used

A biomimetic antireflective photothermal sensing material based on a continuously gradient micro-nano structure is adopted. By integrating the materials of the elastic substrate layer, the intermediate conductive layer and the upper thermally sensitive layer, and combining the biomimetic micro-nano structure, the light absorption efficiency is improved and the interface bonding stability is enhanced, thus avoiding interface delamination.

Benefits of technology

This improved the photothermal conversion efficiency and stability of flexible electronics, meeting the sensing needs of non-invasive health monitoring and biomimetic flexible interaction, and realizing high-performance, high-stability photothermal-strain dual-mode flexible electronic materials.

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Abstract

The invention discloses a bionic antireflection thermal sensing material based on a continuous gradient micro-nano structure and a preparation method thereof, and the method comprises the following steps: providing an elastic substrate layer, a middle conductive layer and an upper thermal sensitive layer; wherein the elastic substrate layer is a high-molecular elastic polymer, the middle conductive layer comprises a blend of silicone rubber and carbon nanotubes, and the upper heat-sensitive layer comprises a blend of silicone rubber, carbon black and carbon nanotubes; forming an elastic plane material from the elastic substrate layer in a thermocuring or photocuring manner, spraying a conductive layer on the upper surface of the elastic plane material in a normal-temperature environment, and drying and annealing to obtain a cured middle conductive layer; then, the photo-thermal sensitive layer is sprayed again, and the upper heat sensitive layer is obtained after heating curing, and through collaborative design of the interface bionic structure, the conductive material and the photo-thermal material, the light absorption efficiency and the response sensitivity of the sensing material are effectively improved.
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