Article
Chemistry, Multidisciplinary
Qiufan Wang, Jiaheng Liu, Guofu Tian, Daohong Zhang
Summary: This study presents the fabrication of strain sensors and all-solid-state flexible supercapacitors using Co@N-CNT/MXenes as an electrode material, with the sensor showing high tensile range and stability for Morse code transmission and the supercapacitor demonstrating excellent cycling stability and coulombic efficiency. The integrated system composed of the sensor and supercapacitor operates stably in a wide strain sensing test range and can be attached to the human body for stable human motion detection, highlighting the potential for simplifying the process and reducing the cost of manufacturing wearable devices through the appropriate selection of single functional materials.
Article
Engineering, Electrical & Electronic
Wang Yuanxi, Wenwen Zhang, Wang Jun
Summary: This study developed a solid electrolyte-based NOx gas sensor using a Co3O4/Cr2O3/YSZ composite material as the sensing electrode and YSZ as the solid electrolyte. The results showed that the sensor exhibited high selectivity, sensitivity, and good response-recovery characteristics with minimal influence from O2 concentration. In addition, a novel self-heating sensor was successfully prepared, which demonstrated good sensitivity and reproducibility.
IEEE SENSORS JOURNAL
(2022)
Review
Construction & Building Technology
Lin Li, Huan Wei, Yazhen Hao, Yizheng Li, Wei Cheng, Yusuf Abshir Ismail, Zhuangzhuang Liu
Summary: Carbon nanotube (CNT) is a commonly used functional nanomaterial in self-sensing cementitious composites, which can enhance the electrical, thermal, and mechanical coupling properties of the structure for stress and strain response and perception. CNT reinforced cementitious composites have excellent sensing performance, strong structural integrity, long service life, and easy installation and maintenance, making them widely concerned in the production of intelligent engineering materials worldwide.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Article
Nanoscience & Nanotechnology
Dongsheng Li, Zihao Xie, Mengjiao Qu, Qian Zhang, Yongqing Fu, Jin Xie
Summary: The study introduces a VSA based on QCM and MXene, which enhances the detection of VOCs, accurately identifies and quantifies different VOCs using machine learning algorithms, and can identify patients with diabetic ketosis from exhaled breath with a high accuracy of 95%.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Materials Science, Multidisciplinary
Ying Wang, Man Tiannan, Shaowei Lu, Siyu Liu, Xinhua Liu
Summary: This study investigates the monitoring of damage areas in composite laminates using carbon nanotubes and MXene films. By utilizing sensor arrays and a localization algorithm, the impact position can be accurately calculated and located, allowing for timely detection of damage and prevention of structural failure.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2022)
Article
Materials Science, Multidisciplinary
Libing Liu, Xuezhong Zhang, Dong Xiang, Yuanpeng Wu, Dan Sun, Jiabin Shen, Menghan Wang, Chunxia Zhao, Hui Li, Zhenyu Li, Ping Wang, Yuntao Li
Summary: A fabric-based flexible sensor that combines carbon nanotube/polydimethylsiloxane composites and elastic medical bandage has been designed and fabricated. It achieved high sensitivity, wide linear response, and a large strain detection range. Compared to other flexible strain sensors, it demonstrated superior performance.
PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL
(2022)
Article
Mechanics
Meng Wang, Nan Li, Gong-Dong Wang, Shao Wei Lu, Qi Di Zhao, Xi Liang Liu
Summary: This paper discusses the importance of highly sensitive piezoresistive strain sensors for health monitoring of composite materials, focusing on the working mechanisms of CNT buckypaper sensors during loading and releasing processes. The study demonstrates the dynamic stability and durability of the in-situ nano sensor under monotonic and cyclic flexural loading in low strain range. Additionally, the long-term response behavior of the nano sensor and its suitability for potential application scenarios are highlighted.
COMPOSITE STRUCTURES
(2021)
Article
Chemistry, Analytical
Andrey G. Melnikov, Denis A. Bykov, Alexey S. Varezhnikov, Victor V. Sysoev, Gennady V. Melnikov
Summary: Fluorescent sensors have shown progress in detecting heavy meals in aqueous media. This research proposes a new method using an array of fluorescent probes to selectively recognize heavy metals in water. The approach uses linear discriminant analysis to distinguish different heavy metal salts, presenting promising applications.
Article
Chemistry, Analytical
Jyoti Prakash, P. T. Rao, Srikumar Ghorui, Jitendra Bahadur, Vaibhav Jain, Kinshuk Dasgupta
Summary: This study successfully synthesized CNT aerogel sensors and improved their detection performance and selectivity for VOCs by doping with oxygen and nitrogen. The nitrogen-doped CNT aerogel sensor showed the highest sensitivity, selectivity, and response among all the tested compounds in the concentration range of 2-100 ppm.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Electrochemistry
Hao Wan, Xin Liu, Xinyi Wang, Yuantao Chen, Ping Wang
Summary: This paper presents a facile screen-printed carbon nanotube electrode on porous polytetrafluoroethylene (PTFE) with room temperature ionic liquid (RTIL) for rapid gas sensing. The sensor showed enhanced electrochemical performance for gas detection and good sensitivity and linearity in tests. Due to the unique porous substrate, the response time of the sensor can be as low as around 14 seconds, making it promising for wearable gas sensing and acute gas exposure alerting.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Engineering, Environmental
Pil Gyu Choi, Akihiro Tsuruta, Yoshitake Masuda
Summary: Detection and discrimination of gases are crucial in various fields and the demand for easy and fast detection of various gas substances is increasing. This study improved the sensing property by modifying carbon nanotubes (CNT) with nanosheet-type tin oxide (SnO2), resulting in superior sensing properties and improved selectivity for ammonia gas. The accuracy of ammonia gas classification was significantly increased when using the modified sensor in the sensor array, showing its potential for ammonia gas detection and discrimination.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Nanoscience & Nanotechnology
Zhigang Pan, Yong Zhang, Chunhong Zhang
Summary: This article investigates a gas discharge model of the CNT film-based ionized temperature sensor, and finds that increasing the working voltage helps to improve the sensor's output current and sensitivity. The response time of the sensor remains unchanged at different temperatures, but temperature changes affect the current density, secondary electron emission, and reaction rate.
Review
Chemistry, Analytical
Alishba T. John, Krishnan Murugappan, David R. Nisbet, Antonio Tricoli
Summary: Electonic noses, relying on an array of chemical gas sensors, are used for identifying various compounds, particularly in the food industry and environmental monitoring. Advances in nanofabrication, sensor design, neural networks, and system integration have improved their efficacy. Commercial and custom Enoses face challenges in wider adoption and use across different applications.
Article
Nanoscience & Nanotechnology
Zhongzeng Zhou, Luojun Wang, Jing Wang, Conghui Liu, Tailin Xu, Xueji Zhang
Summary: Nonenzymatic biosensors have great potential in analysis and detection, but their low selectivity limits practical application. This study introduces an intelligent back propagation neural network to overcome the limitation, and successfully predicts the concentration of glucose and lactate.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Nanoscience & Nanotechnology
Zhongzeng Zhou, Luojun Wang, Jing Wang, Conghui Liu, Tailin Xu, Xueji Zhang
Summary: In this study, an intelligent back-propagation neural network was introduced into nonenzymatic electrochemical biosensing to enhance the selectivity for glucose and lactate detection. With simple electrodes fabrication, highly selective detection results were achieved and demonstrated precise performance in serum samples.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Junjie Shi, Xin Li, Qian Chen, Kun Gao, Hui Song, Shixi Guo, Quanfu Li, Ming Fang, Weihua Liu, Hongzhong Liu, Xiaoli Wang
Article
Chemistry, Multidisciplinary
Shixi Guo, Xin Li, Hui Song, Ping Cui, Quanfu Li, Ming Fang, Weihua Liu, Hongzhong Liu, Ya Feng Su, Anping Zhang, Xiaoli Wang
Article
Chemistry, Analytical
Hui Song, Xin Li, Ping Cui, Shixi Guo, Weihua Liu, Xiaoli Wang
SENSORS AND ACTUATORS B-CHEMICAL
(2017)
Article
Chemistry, Multidisciplinary
Hui Song, Yong Zhang, Jiaxing Cao
Article
Engineering, Electrical & Electronic
Hui Song, Kun Li, Quanfu Li
JOURNAL OF MICROMECHANICS AND MICROENGINEERING
(2018)
Article
Engineering, Electrical & Electronic
Hui Song, Shaochong Lei, Xin Li, Shixi Guo, Ping Cui, Xianqi Wei, Weihua Liu, Hongzhong Liu
SENSORS AND ACTUATORS A-PHYSICAL
(2018)
Article
Engineering, Electrical & Electronic
Xin Li, Yuan Wu, Hui Song, Sweejiang Yoo, Weihua Liu, Xiaoli Wang
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2015)
Article
Nanoscience & Nanotechnology
Hui Song, Xin Li, Sweejiang Yoo, Yuan Wu, Weihua Liu, Xiaoli Wang, Hongzhong Liu
JOURNAL OF NANOMATERIALS
(2014)
Article
Materials Science, Multidisciplinary
Hui Song, Quanfu Li, Yong Zhang
MATERIALS RESEARCH BULLETIN
(2020)
Article
Materials Science, Multidisciplinary
Hui Song, Xin Li, Ping Cui, Shixi Guo, Weihua Liu, Xiaoli Wang
DIAMOND AND RELATED MATERIALS
(2017)