Flexible ion transmembrane temperature sensor with ultrafast response speed and preparation method thereof

By constructing a PVA/PSSA bilayer structure, silver electrodes, and a PDMS/vertical carbon nanotube array in a flexible ion transmembrane temperature sensor, the problems of sensor response speed and environmental adaptability were solved, achieving ultrafast response and high-precision temperature monitoring, which is suitable for minimally invasive hyperthermia.

CN122408983APending Publication Date: 2026-07-17UNIV OF JINAN
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
UNIV OF JINAN
Filing Date
2026-04-21
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing flexible transmembrane temperature sensors struggle to balance response speed and environmental adaptability, and are susceptible to interference from factors such as humidity and mechanical deformation, resulting in significant signal noise that affects the real-time performance and reliability of monitoring, especially in complex clinical scenarios where stability is insufficient.

Method used

By employing a PVA and PSSA bilayer structure, silver electrodes are deposited via magnetron sputtering and combined with PDMS/vertical carbon nanotube array composite materials to construct directional ion channels and thermal conduction paths, forming a layered topology that ensures the stability and rapid response of ion migration and heat conduction.

Benefits of technology

It achieves ultra-fast response speed and excellent anti-interference performance, can respond to temperature changes in the sub-second range, has high precision and reliability, and is suitable for complex clinical environments, especially for real-time monitoring of tissue temperature in minimally invasive hyperthermia.

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Abstract

The application discloses a flexible ion transmembrane temperature sensor with superfast response speed and a preparation method thereof. A PVA aqueous solution and a PSSA composite ion solution are combined, spin-coated and solidified to form a PSSA / PVA double-layer structure, an AAO template ion channel is prepared at the interface, DMSO is introduced to construct an ion gradient, silver electrodes are deposited on both sides of the double-layer structure through magnetron sputtering, and a PDMS / vertical CNT array composite material is transferred to the surface of the electrodes to form an encapsulation layer, so that the flexible ion transmembrane temperature sensor with superfast response speed is prepared. The flexible ion transmembrane temperature sensor with superfast response speed prepared by the application has excellent response recovery speed, temperature sensing resolution and mechanical interference resistance.
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