MACROMOLECULAR MATERIALS AND ENGINEERING
·
2024
·
IF 4.2
Yanli Wang,Wenjing Qin,Xiang Zhou,Enzhao Liu,Yutian Zhu,Shougen Yin,Wenjin Guo,Zunfeng Liu
Flexible wearable sensors have the characteristics of flexibility, comfort, and wearability, and have shown great potential in future electronic products. Despite significant efforts in developing stretchable electronic materials and structures, the development of flexible strain sensors with a wide temperature range, high sensitivity, broad detection range, and good interface stability remains challenging. Here, strain sensors with buckled structures are fabricated using high and low-temperature resistant material Ti 3 C 2 T x MXene/graphene, PDMS 184. The conductive material Ti 3 C 2 T x MXene/graphene exhibits excellent interface interaction with PDMS 184, addressing not only the poor compatibility issue between the conductive material and the flexible substrate, but also demonstrating good stability and cycling performance. Buckled structure improves the stretchability and linearity of strain sensors. The fabricated strain sensor is suitable for a wide temperature range (−40 to 120 °C) and exhibits high stretchability (120% strain). The strain sensor demonstrates rapid response times at different temperatures: −40 (72.6 ms), 0 (62.7 ms), and 120 °C (52.7 ms). The strain sensor exhibits high sensitivity at different temperatures: −40 (GF = 0.38), 0 (GF = 0.24), 40 (GF = 0.66), and 120 °C (GF = 1.47). The strain sensor has a wide detection range (0.1% to 120%) and excellent cycling stability. In addition, Ti 3 C 2 T x MXene/graphene strain sensors can accurately capture various human activities, such as blinking, speaking, finger bending, and wrist bending.
研究领域:
材料科学
·
柔性电子
·
传感器技术
✓ 已验证
产品关联
DOI
高影响因子
Nano-Micro Letters
·
2023
·Vol. 15
·期 1
·1-25
·
IF 26.6
Wang Ge,Li Changfeng,Estevez Diana,Xu Peng,Peng Mengyue,Wei Huijie,Qin Faxiang
rGO/MXene/TiO 2 /Fe 2 C heterointerface porous microspheres prepared via scalable method to boost polarization.
Customization of hierarchical structure by precisely tuning 2D rGO/MXene intercalation.
Optimal reflection loss of -67.4 dB and EAB = 5.47 GHz at low filler loading of 5 wt%. Simulations showed the benefits of 2D nanosheets intercalation on polarization loss.
研究领域:
材料科学
·
电磁学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
MICROCHEMICAL JOURNAL
·
2022
·
IF 5.304
Yan Zhang,Lu Zhang,Chenxing Li,Jingxuan Han,Wenwei Huang,Jiayi Zhou,Yongqiang Yang
Dopamine (DA) detection is essential for diagnosis and evaluation of diseases such as Parkinson’s, Alzheimer and schizophrenia. However, conventional electrochemical sensors are vulnerable to biofouling in complex biological fluids, which leads to significant decrease in sensor performance. Ti 3 C 2 T x MXene, a novel 2D material with excellent conductivity and hydrophilicity, is a potential antifouling material for electrodes. But oxidation can strongly influence the performance of MXene. In this work, an antifouling electrochemical sensor for DA detection was fabricated by combining MXene and holey graphene (HG). Multilayer MXene (M−MXene) and single-layer MXene (S-MXene) were combined with HG to form a 3D porous network. HG not only prevented the restacking of MXene but it also improved the stability of MXene. Owing to the excellent conductivity and large surface area, S-MXene/HG modified electrode had a fast electron transfer and excellent electrocatalytic activity for DA compared with M−MXene/HG. Furthermore, S-MXene/HG possessed higher surface hydrophilicity and enhanced biofouling resistance than M−MXene/HG and HG modified electrode. S-MXene sensor displayed excellent analytical performance for DA and antifouling ability in complex fluids. It offers new promising possibilities for its clinical application.
研究领域:
生物医学工程
·
材料科学
·
分析化学
✓ 已验证
DOI
高影响因子
ADVANCED MATERIALS
·
2021
·Vol. 34
·期 1
·2106897
·
IF 30.849
Jiahui Zhou,Man Xie,Feng Wu,Yang Mei,Yutong Hao,Li Li,Renjie Chen
A 3D host can effectively mitigate the dendritic growth of a zinc (Zn)-metal anode. However, the increased electrode/electrolyte reaction area using the 3D substrate accelerates the passivation and corrosion at the anode interface, ultimately degrading the electrochemical performance. Here, an oriented freezing process is used to create a flexible MXene/graphene scaffold. Based on the abundant zincophilic traits and micropores in the structure, Zn is densely encapsulated inside the host by the electrodeposition process. During cycling, the composite anode endows an in situ solid electrolyte interface with zinc fluoride at the electrode/electrolyte interface due to inherent fluorine terminations in MXene, efficiently inhibiting the dendritic growth. Furthermore, the design wherein bulk Zn is distributed in a 3D microscale manner suppresses hydrogen evolution reactions (3.8 mmol h −1 cm −2 ) and passivation, through in/ex situ tests. As a result, in a symmetrical cell test, the electrode has a long-cycling life of over 1000 h at 10 mA cm −2 . After continuous single folding followed by double folding, a quasi-solid-state foldable cell with the composite anode and a LiMn 2 O 4 cathode (60% depth of discharge) maintains high-capacity retention of over 91%. This research presents a revolutionary encapsulating idea for aqueous Zn-ion batteries, as well as foldable investigation.
研究领域:
材料科学
·
电化学
·
储能技术
✓ 已验证
DOI
高影响因子
Advanced Materials Technologies
·
2021
·Vol. 6
·期 11
·2100394
·
IF 7.848
Fengxiao Niu,Zhen Qin,Lizhen Min,Biao Zhao,Yuhuan Lv,Xiaohui Fang,Kai Pan
3D aerogel-based piezoresistive sensors have attracted tremendous attention due to their high sensitivity and excellent mechanical properties. Here, a novel piezoresistive sensor with ultrahigh linear sensitivity is tactfully designed and prepared based on nanofiber-reinforced MXene–reduced graphene oxide aerogel. The presence of MXene endows the piezoresistive sensor with high conductivity. Besides, the nanofibers can act as a scaffold to improve the compression resilience of the aerogel significantly by penetrating the entire aerogel network. Furthermore, due to the synergy effect among the multiple components, the prepared piezoresistive sensor exhibits outstanding performance, including high linear sensitivity (331 kPa −1 from 0 to 500 Pa, 126 kPa −1 from 500 Pa to 7.5 kPa), fast response time (load 71 ms, recovery 15 ms), and low detection limit (1.25 Pa). More importantly, it can maintain stable signal output even after 17 000 compression cycles. Furthermore, the prepared sensor can efficiently detect breathing, heartbeat, and vocalization of the human body in real time. Based on these advantages, the prepared sensor is expected to show significant potentials in future flexible wearable electronic devices.
研究领域:
材料科学
·
传感器技术
·
生物医学工程
✓ 已验证
产品关联
DOI
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2023
·
IF 5.2
Ningmin Duan,Zhenyu Shi,Jilai Wang,Chengpeng Zhang,Jianren Xi,Xiaotao Yang,Guilong Wang
The development of flexible electronics has placed higher demands on electromagnetic interference (EMI) shielding materials, especially in terms of mechanical properties. Herein, a novel composite with excellent mechanical and EMI shielding properties was developed. The electrohydrodynamic atomization deposition approach was used to deposit Ti 3 C 2 T x MXene and graphene oxide (GO) nanosheets on carbon fiber fabric (CFf) surface, then they were assembled layer by layer with thermoplastic polyurethane (TPU) and thermoformed at high temperature to obtain MG/f-CFf/TPU composite. When the MXene/GO content increases, the mechanical performance of the composite is improved, mainly owing to the formation of chemical bonds and the presence of mechanical interlocking and van der Waals forces . Specifically, the tensile strength and interlaminar shear strength of the composite reach 140.98 MPa and 54.67 MPa, increasing by 72.45 % and 52.92 %, respectively. Benefitting from the unique lamellar structure , the maximum EMI-SE of MG/f-CFf/TPU composite is 38.29 dB. Besides, the MG/f-CFf/TPU composite also displays outstanding EMI-SE stability after 3000 times folding cycles. The flexible MG/f-CFf/TPU composite may provide more guidelines for the design of next-generation flexible EMI shielding materials.
研究领域:
材料科学
·
电子工程
✓ 已验证
产品关联
DOI
高影响因子
SENSORS AND ACTUATORS B-CHEMICAL
·
2021
·
IF 7.46
Guangwen Jia,Ao Zheng,Xiao Wang,Lu Zhang,Ling Li,Chenxing Li,Yan Zhang,Lingyan Cao
The evaporation of water occurs ubiquitously on earth. Hence, smart materials that can directly convert signals generated via water stimulation into mechanical motion have attracted wide attention. However, it is still a challenge to develop novel functional materials with fast response, large scale deformation, and long-term stability for moisture-gradient actuators. Here, a flexible, conductive, layer-structured homogenous Ti 3 C 2 T X MXene-graphene oxide (MGO) film-based moisture-driven actuator and humidity sensor were fabricated. The oxygen groups and d-spacing could be effectively adjusted by MXene/GO composition ratio, thereby tuning the actuation performance. MGO 3 (MXene/GO = 3) displayed a large bending angle, and reversible deformation. And the bending speed of MGO 3 is up to 32°s −1 . Furthermore, MGO 3 actuation displayed long-term stability via suppression of MXene oxidation by the introduction of GO and showed good cycling stability. MGO 3 actuators are constructed, which could mimic the blooming of flower, lifting and carrying objects, and be used as a non-contact control switch. In addition, MGO 3 showed a linear sensitive response to humidity and excellent biocompatibility which make it suitable for respiratory monitoring. This work demonstrated that flexible, biocompatibility and conductive MGO films have broad application prospects in the fields of smart actuators, sensing devices, and biology and health care.
研究领域:
材料科学
·
生物医学工程
·
传感技术
✓ 已验证
DOI
高影响因子
Nano-Micro Letters
·
2025
·Vol. 17
·期 1
·1-18
·
IF 36.3
Qi Cheng-Zhang,Min Peng,Zhou Xinfeng,Jin Meng,Sun Xia,Wu Jianjun,Liu Yanjun,Zhang Hao-Bin,Yu Zhong-Zhen
The multifunctional asymmetric bilayer MXene-graphene oxide (MG)-MXene aerogel with ultrahigh absorption electromagnetic interference (EMI) shielding is constructed by 3D printing and subsequent freeze-drying.
The asymmetric bilayer aerogel achieves ultrahigh electromagnetic wave absorption coefficient of 0.95, and maintains a high EMI shielding effectiveness of over 100 dB.
The multifunctional asymmetric aerogel with ultrahigh electromagnetic wave absorption, infrared camouflage, solar-thermal heating, and clean-up of organic solvents and spilled crude oil is developed for multi-scenario applications.
研究领域:
材料科学
·
电子工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
SENSORS AND ACTUATORS A-PHYSICAL
·
2023
·
IF 4.6
Ling Li,Guangwen Jia,Wenwei Huang,Jiayi Zhou,Chenxing Li,Jingxuan Han,Yan Zhang,Xuejiao Zhou
Despite smart actuators and sensors have attracted tremendous attention and experienced a very rapid growth in the past few years, the integration of sensing elements in actuators and the simultaneous realization of actuating and sensing tasks remain great challenges. To address this issue, we developed a multi-responsive actuation composite film with integrated resistance sensing capabilities. The actuator which was fabricated by combing MXene–graphene oxide (MGO) and commercial biaxially oriented polypropylene tape (BOPP) showed a large bending range, a fast-bending rate, and highly repeatability under humidity, near-infrared light, and applied voltage stimuli. More importantly, the MGO/BOPP film also exhibited a strain-sensitive resistance, and could be used to monitor human motion parameters and its actuation response. The actuation process of an artificial gripper with self-sensing capabilities based on the MGO/BOPP film could be monitored and recorded in real time to achieve simultaneous actuation and sensing; therefore, the present system holds great promise for soft smart robotics, flexible wearable devices , and other integrated multifunctional systems.
研究领域:
材料科学
·
智能设备
·
生物医学工程
✓ 已验证
产品关联
DOI
高影响因子
Journal of Materials Chemistry A
·
2022
·Vol. 10
·期 22
·12092-12103
·
IF 14.511
Kui Hu,Zhipeng Zhao,Yingyue Wang,Longhuo Yu,Kai Liu,Hui Wu,Liulian Huang,Lihui Chen,Yonghao Ni
Hydrogels are usually utilized as materials to fabricate multiresponsive sensors, triboelectric nanogenerators, and supercapacitors, respectively, in wearable devices applications. In order to develop an organohydrogel-based multiresponsive sensor for a triboelectric nanogenerator and supercapacitor, a tough organohydrogel with a triple-network structure was fabricated from poly(vinyl alcohol) (PVA), sodium alginate (SA), and cellulose nanofibrils (CNFs). Due to its unique structure, the hydrogel exhibited a high toughness of 24.5 kJ m−2. Conductive MXene (MX) nanosheets were functionalized by graphene oxide (GO) to form stable and homogeneous nanocomposites, which were introduced into the organohydrogel matrix as conductive fillers. The MX–GO nanocomposites imparted a high gauge factor (GF) of 2.77 and multiple sensing to the organohydrogel-based sensor such as direction recognition tensile strain sensing, ultra-sensitive pressure strain sensing, and temperature sensing. Meanwhile, the triboelectric nanogenerator (TENG) and supercapacitor were assembled separately with the MX–GO organohydrogel. The short-circuit current (ISC), open-circuit voltage (VOC), and short-circuit charge quantity (QSC) of the organohydrogel-based TENG in a single-electrode mode achieved 8.7 μA, 145 V, and 42.9 nC, respectively. The organohydrogel-based supercapacitor also showed a high specific capacitance of 5.4 F g−1 and excellent cycling stability (98.2% capacitance retention after 1500 cycles). Therefore, this design approach for organohydrogel-based devices could open a new route for the development of next-generation wearable intelligent devices.
研究领域:
材料科学
·
可穿戴设备
·
能源技术
✓ 已验证
DOI
高影响因子
Journal of Science-Advanced Materials and Devices
·
2025
·Vol. 11
·期 1
·101095
·
IF 6.8
Jianlei Chen,Tianruo Zhang,Yun Zhou,Yong Xu
In this study, a highly sensitive electrochemical sensor was developed for the detection of nitrofurazone (NFZ) in seawater using a glassy carbon electrode modified with a nanocomposite of MXene and graphene (Gr). The synergistic effect of MXene and Gr significantly enhanced the electron transfer rate and active surface area of the electrode. Key parameters, including modifier volume, activation cycles, and solution pH, were optimized to achieve optimal sensor performance. Under the optimized conditions, the sensor exhibited a wide linear detection range from 1 to 70 μmol/L. The sensor also demonstrated excellent repeatability, stability, and selectivity against common antibiotic interferents. When applied to spiked seawater samples, recovery rates ranged from 96.01 % to 102.16 % with a relative standard deviation below 1.3 %. The MXene–Gr-based sensor not only provides a reliable tool for on-site monitoring of antibiotic residues in marine environments but also demonstrates the great potential of MXene-based composites in the development of advanced electrochemical biosensing platforms for environmental and food safety applications.
研究领域:
环境分析化学
·
电化学传感
·
食品安全检测
·
海洋环境污染监测
·
纳米材料应用
✓ 已验证
产品关联
DOI
高影响因子
ADVANCED MATERIALS
·
2025
·
IF 26.8
Yuhong Li,Yang Wang,Zhuo Li,Suping Ma,Yawen Zhang,Fei Fan,Yi Huang
The rapid development of wireless communication and infrared (IR) detection technologies has generated an increasing demand for large-size high-performance wearable electromagnetic interference (EMI) shielding and IR stealth textiles. Herein, meter-scale MXene/graphene oxide (MG)@monstera nanocellulose (MC) core-shell nanofiber textiles are fabricated for the first time using a multi-stage cryogenic drying-assisted coaxial wet spinning assembly strategy, with MG as the conductive composite core and MC as the organic skeleton shell. The highly aligned shell and dense core endow the nanofibers with a great toughness of ≈39.6 MJ m −3 , a strong strength >≈180 MPa, and a high conductivity of 6.4 × 10 3 S m −1 . The textiles exhibit unprecedented ultra-broadband EMI shielding performance covering gigahertz and terahertz bands, with optimal shielding effectiveness up to 84 and 85 dB in the band of 8.2–26.5 GHz and 0.3–1.5 THz, respectively, at only 185 µm thick. Superb IR stealth performance in the near- and mid-IR ranges is also achieved, benefitting from their good heat resistance and low IR emissivity. Furthermore, the textiles also demonstrate excellent dyeability, flame retardancy, Joule heating, and stress-sensing properties. Such scalable prepared core-shell nanofiber textiles with superior comprehensive performance have broad application prospects in future smart wearable protective devices.
研究领域:
材料科学
·
纺织工程
·
电子工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）