Article
Energy & Fuels
Bin Shen, Fang Zhang, Leiming Jiang, Xinlei Liu, Xiaoyang Song, Xianli Qin, Xuewei Li
Summary: By utilizing multi-walled carbon nanotubes to enhance the performance of gas sensor carrier, a thermal conductivity sensor with faster response time was designed, showing consistent response and recovery time to different concentrations of CO2 compared to major commercial Carbon dioxide sensors.
FRONTIERS IN ENERGY RESEARCH
(2021)
Article
Multidisciplinary Sciences
Mohammad Hemmat Esfe, Davood Toghraie
Summary: This study successfully modeled and predicted the viscosity behavior of -Al2O3/10W40 nanofluid using an artificial neural network (ANN). By selecting the optimal ANN structure, the prediction error was minimized, and the experiment showed that the ANN estimated laboratory data more accurately.
SCIENTIFIC REPORTS
(2021)
Review
Materials Science, Characterization & Testing
Seyed Rasoul Mousavi, Sara Estaji, Hediyeh Kiaei, Mohammad Mansourian-Tabaei, Sasan Nouranian, Seyed Hassan Jafari, Holger Ruckdaeschel, Mohammad Arjmand, Hossein Ali Khonakdar
Summary: This article provides an overview of the recent advances in research on improving the thermal and electrical conductivities of EP resin systems modified with CNT, Gr, their derivatives, and hybrids. Surface modification of these reinforcements is also discussed as a means to enhance the dispersion of nanofillers in EP resins.
Article
Materials Science, Composites
Zhaofeng Wu, Shuai Cao, Qihua Sun, Furu Zhong, Min Zhang, Haiming Duan
Summary: The uniform dispersion of multi-wall carbon nanotubes in waterborne polyurethane matrix was achieved through in-situ polymerization and latex particles assisted dispersion, enhancing the mechanical and gas sensing properties of the composite material. The response of the flexible MWNT/WPU to O3 was 4.1 times that of pure MWNTs, with a detection limit reaching 38.4 ppb, while also exhibiting high bending stability and long-term stability.
COMPOSITES SCIENCE AND TECHNOLOGY
(2021)
Article
Materials Science, Composites
Shengfei Hu, Bingfeng Xu, Yang Zhao, Xudong Fu, Qingting Liu, Rong Zhang
Summary: Conductive and thermal conductive polymer composites with segregated network structures were prepared by the Pickering emulsion method. The inclusion of carbon nanotubes (CNTs) as bridges improved the conductivity and thermal conductivity of the composites. This study provides a convenient and time-saving approach for the study of segregated structural thermally conductive composites.
COMPOSITES SCIENCE AND TECHNOLOGY
(2022)
Article
Chemistry, Physical
Slawomir Boncel, Jaroslaw Kaluzny, Jacek Rozanski, Beata Strzemiecka, Tomasz Runka, Lukasz Wojciechowski, Joanna Kujawa, Emil Korczeniewski, Artur P. Terzyk, Paulina Blaszkiewicz, Adam A. Marek, Anna Kolanowska, Rafal G. Jedrysiak, Szymon Ruczka, Grzegorz Dzido, Tomasz Gizewski
Summary: This study demonstrates the successful formation of stable and multifunctional CNT-PAO greases by using two types of multi-wall carbon nanotubes as thickeners and thermo- and electro-active agents. The mechanisms governing fast-thickening behavior and CNT-PAO affinities are analyzed, and the multifunctionality of CNT-PAO greases is revealed.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Engineering, Environmental
Icell Sharafeldin, Sara Garcia-Rios, Nashaat Ahmed, Miriam Alvarado, Xavier Vilanova, Nageh K. Allam
Summary: A toxic gas detector based on an array of metal-decorated multiwalled carbon nanotubes sensors was reported, with investigation on the sensors' response towards NO2, H2S, NH3, and CO gases. The experimental results demonstrated varied sensitivity and response of different metal-decorated MWCNTs sensors towards exposure to different toxic gases.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Chemistry, Multidisciplinary
Huan Lin, Jinbo Xu, Fuhua Shen, Lijun Zhang, Shen Xu, Hua Dong, Siyi Luo
Summary: This study documents the effect of annealing on the thermal conductivity of nanotube film and carbon nanotube fiber. The results show that the thermal diffusivity of CNTB1 increases gradually during annealing, while the TCR of CNTB2 changes. Additionally, both CNTB2 and CNTF have significantly higher thermal diffusivity than the lower one, CNTB1.
Article
Chemistry, Analytical
Masafumi Inaba, Takenori Oda, Masaki Kono, Nisarut Phansiri, Takahiro Morita, Shota Nakahara, Michihiko Nakano, Junya Suehiro
Summary: The study fabricated CNT/SnO2 heterojunction gas sensors using one-step dielectrophoretic assembly and investigated the effect of CNT/SnO2 ratio on gas detection properties. The results showed that the UV-irradiated CNT/SnO2 heterojunction gas sensor had a high response to 1 ppm NO2 in artificial air.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Nanoscience & Nanotechnology
Chengfeng Zhang, Zhenghai Tang, Xinglong An, Shifeng Fang, Siwu Wu, Baochun Guo
Summary: By constructing segregated structures in sulfur-cured rubbers, polymer composites with high conductivity and good mechanical properties can be prepared, improving electrical conductivity while also enhancing modulus and stretchability.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Nanoscience & Nanotechnology
Jake Dudley Mehew, Marina Y. Timmermans, David Saleta Reig, Stefanie Sergeant, Marianna Sledzinska, Emigdio Chavez-Angel, Emily Gallagher, Clivia M. Sotomayor Torres, Cedric Huyghebaert, Klaas-Jan Tielrooij
Summary: Nanomaterials, particularly carbon nanotubes (CNTs), are promising candidates for applications requiring high thermal conductivity. In this study, the thermal conductivity of free-standing double-walled CNT films was measured using all-optical Raman thermometry, showing significantly enhanced thermal conduction compared to single-walled CNT films. This research contributes to a better understanding of these nanomaterials and their suitability for extreme ultraviolet (EUV) lithography.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Review
Biochemistry & Molecular Biology
Shu-Yu Guo, Peng-Xiang Hou, Feng Zhang, Chang Liu, Hui-Ming Cheng
Summary: This review presents the potential of single-wall carbon nanotubes (SWCNTs) as candidate materials for flexible gas sensors. It introduces the sensing mechanism, structure parameters, design, fabrication, and performance of SWCNT-based gas sensors, and discusses the principles and possible approaches to further improve their performance.
Article
Materials Science, Multidisciplinary
R. Vignesh Babu, S. Kanagaraj
Summary: The performance of copper can be enhanced by the addition of carbon nanotubes as reinforcement, resulting in Cu/CNT composite materials with improved properties, particularly in terms of thermal conductivity. Through a special processing technique, such as molecular level mixing, cold isostatic pressing, and microwave sintering, the composites exhibit superior characteristics compared to conventional processing methods, showcasing promising potential for industrial applications.
DIAMOND AND RELATED MATERIALS
(2021)
Review
Chemistry, Analytical
Ethan L. W. Gardner, Julian W. Gardner, Florin Udrea
Summary: In recent years, there has been an increasing demand for gas sensors to monitor and control harmful substances arising from industrial processes. Thermal conductivity gas sensors offer advantages over chemical sensors, such as higher reproducibility, better stability, lower cost, and faster response time. This review focuses on the state-of-the-art in thermal conductivity sensors, including introduction, theory of operation, interface electronics, commercial applications, recent research developments, and innovations in this field.
Article
Materials Science, Composites
Xu Li, Bin Wu, Peng Chen, Ru Xia, Jiasheng Qian
Summary: The miniaturization of integrated circuits has led to the rapid development of thermal conductive composites based on polymer carbon nanotubes (CNTs). However, the disordered arrangement structure and interfacial thermal resistance of CNTs pose significant challenges to their application. This study proposes a solution through freeze-casting orientation configuration and the growth of new CNTs in situ, creating a hierarchical structure in epoxy resin (EP)-based composites. The resulting composites exhibit directional networks of interlinked CNTs and significantly enhanced thermal conductivity compared to pure EP. Non-equilibrium molecular dynamics (NEMD) simulations further support the advantage of using covalent bonding to connect CNTs. These findings contribute to the rational design of polymer-based CNT thermal conductive composites.
COMPOSITES COMMUNICATIONS
(2023)
Article
Chemistry, Analytical
Shen Bin, Haiyang Yang, Leiming Jiang, Xinlei Liu
Summary: By analyzing and optimizing the structure of the forked-finger transducer, the degree of frequency response of the surface acoustic wave (SAW) sensor for gas detection can be further improved.
Article
Engineering, Chemical
Haibo Sun, Baoyong Zhang, Zhijun Song, Bin Shen, Hongyu Song
Summary: This study conducted mechanics-seepage synchronous tests and numerical simulations to analyze the effects of load path on the mechanical strength and permeability of coal disturbed by deep mining. The results provide insights for research and disaster prevention regarding coal and gas outburst.
Article
Chemistry, Analytical
Xinlei Liu, Bin Shen, Leiming Jiang, Haiyang Yang, Chunbo Jin, Tianshun Zhou
Summary: This study proposes a SAW methane sensor using graphene-nickel cavitation, which can work at room temperature, and tests its performance. The results show that the sensor has a good response recovery performance in the test concentration range, and the frequency offset is positively correlated with methane concentration. This study provides a good theoretical basis for the development of surface acoustic-wave methane sensors.
Article
Chemistry, Analytical
Haiyang Yang, Bin Shen, Xinlei Liu, Chunbo Jin, Tianshun Zhou
Summary: A SAW CO gas sensor based on a Pd-Pt/SnO2/Al2O3 film is proposed to enhance its response characteristics to trace gases. The gas sensitivity and humidity sensitivity of trace CO gas are tested and analyzed, showing that the sensor has higher frequency response performance and stability. It exhibits high-frequency response characteristics to CO gas within the concentration range of 10-100 ppm, and also responds well to 20 ppm CO gas within the relative humidity range of 25% to 75%.
