Carbon Nanocoil/Ti <sub>3</sub> C <sub>2</sub> T <sub> <i>x</i> </sub> Composite Film toward Wearable and Sensitive K <sup>+</sup> Sensor with Rapid Response
The advancement of wearable ion sensors necessitates ion-selective electrodes (ISEs) with high sensitivity and rapid response kinetics. This study introduces a porous conductive film based on a carbon nanocoil (CNC)/Ti3C2Tx composite for ISE design. The Ti3C2Tx nanoflakes, exhibiting metallically conductive behavior and abundant surface functional groups, form the film’s structural backbone, ensuring stability and superior electrical conductivity. Concurrently, the helical morphology of CNCs induces a porous architecture, significantly enhancing the ion transport efficiency and ion-to-electron transduction pathways. Consequently, the sensor demonstrates high sensitivity (62.3 mV/decade) and a fast response (0.08 s).
Authors
- Chenghao Deng (ORCID: https://orcid.org/0000-0003-3078-7732)
- Ruiqing Fan (ORCID: https://orcid.org/0000-0002-5461-9672)
- Wuning Wei
- Zhiheng Wu (ORCID: https://orcid.org/0000-0001-8244-6521)
- Weibin Qiu (ORCID: https://orcid.org/0000-0001-6234-0711)
- Siyi Wang (ORCID: https://orcid.org/0009-0006-4909-2569)
Institutions
- Guangxi University (CN)
- Guangxi Science and Technology Department (CN)
Publication Details
- Journal
- ACS Materials Letters
- Published
- 2025-11-15
- DOI
- https://doi.org/10.1021/acsmaterialslett.5c00885
- Primary Topic
- Gas Sensing Nanomaterials and Sensors
- Type
- article
- Field-Weighted Citation Impact
- 0.00