Enhanced humidity sensing performance of a triple-electrode ionization sensor utilizing carbon nanotubes DOI Creative Commons
Saif Aldeen Saad Alkadhim, Yong Zhang, Zhenzhen Cheng

et al.

Sensors and Actuators A Physical, Journal Year: 2024, Volume and Issue: 376, P. 115612 - 115612

Published: June 18, 2024

This paper introduces a novel ionization humidity sensor featuring carbon nanotube triple-electrode design, aimed at achieving sensitivities of 381.67 %RH−1 in nitrogen and 11.83 air, detection ranges from 25.8 % RH to 100 30 response times 11 s recovery 5 s. The leverages the exponential relationship between collecting current relative humidity, enhanced by exceptional adsorption properties CNTs, particularly their large surface area which allows for efficient water molecule attraction, offer superior performance across diverse environments. Two structural configurations are proposed optimize sensor's efficiency: one integrating nanotubes directly onto cathode another utilizing silicon strip as substrate CNT growth. design's effectiveness is further validated through simulations that calculate electron distribution, positive ion concentration, collected current, highlighting potential high-precision real-world applications.

Language: Английский

Flexible Pressure, Humidity, and Temperature Sensors for Human Health Monitoring DOI
Jiaqi Li,

Z. Fang,

Dongsong Wei

et al.

Advanced Healthcare Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 17, 2024

Abstract The rapid advancements in artificial intelligence, micro‐nano manufacturing, and flexible electronics technology have unleashed unprecedented innovation opportunities for applying sensors healthcare, wearable devices, human–computer interaction. human body's tactile perception involves physical parameters such as pressure, temperature, humidity, all of which play an essential role maintaining health. Inspired by the sensory function skin, many bionic been developed to simulate skin's various stimuli are widely applied health monitoring. Given urgent requirements sensing performance integration field devices monitoring, here is a timely overview recent advances multi‐functional It covers fundamental components categorizes them based on different response mechanisms, including resistive, capacitive, voltage, other types. Specifically, application these area monitoring highlighted. Based this, extended dual/triple‐mode integrating temperature presented. Finally, challenges discussed.

Language: Английский

Citations

18
Carbon Micro/Nano Machining toward Miniaturized Device: Structural Engineering, Large‐Scale Fabrication, and Performance Optimization DOI
Zeyu Ma, Wenwu Wang,

YiBo Xiong

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: July 19, 2024

Abstract With the rapid development of micro/nano machining, there is an elevated demand for high‐performance microdevices with high reliability and low cost. Due to their outstanding electrochemical, optical, electrical, mechanical performance, carbon materials are extensively utilized in constructing energy storage, sensing, optoelectronics. Carbon machining fundamental carbon‐based intelligent microelectronics, multifunctional integrated microsystems, high‐reliability portable/wearable consumer electronics, portable medical diagnostic systems. Despite numerous reviews on materials, a comprehensive overview lacking that systematically encapsulates based structures, from structural design manufacturing strategies specific applications. This review focuses latest progress toward miniaturized device, including engineering, large‐scale fabrication, performance optimization. Especially, targets in‐depth evaluation micro storage devices, microsensors, microactuators, photoresponsive electromagnetic interference shielding devices. Moreover, it highlights challenges opportunities microdevices, aiming spark further exciting research directions application prospectives.

Language: Английский

Citations

6
Flexible Sensors Based on Conductive Polymer Composites DOI Creative Commons
Dan Zhao, Weiwei Jia,

Xiaona Feng

et al.

Sensors, Journal Year: 2024, Volume and Issue: 24(14), P. 4664 - 4664

Published: July 18, 2024

Elastic polymer-based conductive composites (EPCCs) are of great potential in the field flexible sensors due to advantages designable functionality and thermal chemical stability. As one popular choices for sensor electrodes sensitive materials, considerable progress EPCCs used has been made recent years. In this review, we introduce types mechanisms EPCCs. Furthermore, advances application also summarized. This review will provide guidance design optimization offer more possibilities development sensors.

Language: Английский

Citations

4
Enhanced humidity sensing performance of a triple-electrode ionization sensor utilizing carbon nanotubes DOI Creative Commons
Saif Aldeen Saad Alkadhim, Yong Zhang, Zhenzhen Cheng

et al.

Sensors and Actuators A Physical, Journal Year: 2024, Volume and Issue: 376, P. 115612 - 115612

Published: June 18, 2024

This paper introduces a novel ionization humidity sensor featuring carbon nanotube triple-electrode design, aimed at achieving sensitivities of 381.67 %RH−1 in nitrogen and 11.83 air, detection ranges from 25.8 % RH to 100 30 response times 11 s recovery 5 s. The leverages the exponential relationship between collecting current relative humidity, enhanced by exceptional adsorption properties CNTs, particularly their large surface area which allows for efficient water molecule attraction, offer superior performance across diverse environments. Two structural configurations are proposed optimize sensor's efficiency: one integrating nanotubes directly onto cathode another utilizing silicon strip as substrate CNT growth. design's effectiveness is further validated through simulations that calculate electron distribution, positive ion concentration, collected current, highlighting potential high-precision real-world applications.

Language: Английский

Citations

1