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学者姓名：阴翔宇
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Abstract ：
The development of diverse microstructures has substantially contributed to recent progress in high-performance electromagnetic wave (EMW) absorption materials, providing a versatile platform for the modulation of absorption properties. Exploring multidimensional microstructures and developing tailored and gentle strategies for their precise optimization can substantially address the current challenges posed by relatively unclear underlying mechanisms. Here, a series of 2D/1D heterogeneous NiO@PPy composites featuring hollow hierarchical microstructures are successfully synthesized using a straightforward strategy combining sacrificial templating with chemical oxidative polymerization. This strategy offers a facile and effective approach to fine-tune the microstructure by adjusting the thickness of the polypyrrole (PPy) coating. This enables the continuous optimization of the dielectric properties and specific microstructures to maximize EMW absorption. Remarkably, the optimized 2D/1D hierarchical hollow NiO@PPy composite demonstrates an ultrathin thickness of 2.3 mm, a wide effective absorption band spanning 5.89 GHz, and a strong absorption intensity of -71.65 dB at a minimal loading of only 10 wt.%. The proposed mild and controllable preparation strategy not only provides insights for further tailoring the optimal dielectric properties of specific structures to enhance the absorption capacity, but also enriches the exploration of the underlying absorption mechanisms from the perspective of microstructure regulation.
Keyword ：
2D/1D hierarchical structure 2D/1D hierarchical structure dielectric loss dielectric loss EMW absorption and controllability EMW absorption and controllability PPy PPy
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| GB/T 7714 | Yin, Xiangyu , Zheng, Zongrui , Chen, Yixuan et al. 2D/1D Hierarchical Hollow NiO@PPy Composites with Tunable Dielectric Properties for Enhanced Electromagnetic Wave Absorption [J]. | SMALL , 2025 , 21 (8) . |
| MLA | Yin, Xiangyu et al. "2D/1D Hierarchical Hollow NiO@PPy Composites with Tunable Dielectric Properties for Enhanced Electromagnetic Wave Absorption" . | SMALL 21 . 8 (2025) . |
| APA | Yin, Xiangyu , Zheng, Zongrui , Chen, Yixuan , Zhang, Yue , Hou, Linxi . 2D/1D Hierarchical Hollow NiO@PPy Composites with Tunable Dielectric Properties for Enhanced Electromagnetic Wave Absorption . | SMALL , 2025 , 21 (8) . |
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The advancement of hydrogel-based epidermal sensors that integrate multifunctionality, high transparency, rapid processing, and heightened sensitivity is of significant interest. Herein, we present an efficient approach for the fabrication of flexible dual-mode epidermal sensors through the ultraviolet (UV)-curing 3-D printing of polyacrylamide (PAM)-based ionic hydrogels. The hydro-gel precursor incorporates sodium dodecyl sulfate (SDS) monomers to augment the water dispersibility of the 2,4,6-trimethylbenzoyl-diphenylphosphine oxide (TPO) photoinitiator, thereby substantially increasing the photocuring efficiency of the ionic hydrogel. As a result, the distinctive surface microstructures of PAM-based ionic hydrogels can be engineered for sensors with varying sensing modalities to improve detection performance. The piezoelectric tactile sensor, incorporating a concentric ring microstructure, demonstrates a sensitivity coefficient of 1.39 mV kPa(-1). Conversely, the resistive strain sensor, characterized by a high-density reticular hollow structure, exhibits the highest gauge factor of 24.87. Furthermore, each sensor modality demonstrates excellent temporal response and stability, confirming its applicability in motion monitoring and Morse code transmission.
Keyword ：
3-D printing 3-D printing Conductivity Conductivity Curing Curing dual-mode sensing dual-mode sensing epidermal sensor epidermal sensor Epidermis Epidermis Hydrogels Hydrogels iontronic iontronic Microstructure Microstructure Monitoring Monitoring Sensitivity Sensitivity Sensor phenomena and characterization Sensor phenomena and characterization Sensors Sensors Three-dimensional printing Three-dimensional printing
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| GB/T 7714 | Zhang, Yue , Lan, Ao , Xia, Yuanhao et al. 3-D Printing of PAM Hydrogel-Based Iontronic for Dual-Mode Epidermal Sensors [J]. | IEEE SENSORS JOURNAL , 2025 , 25 (8) : 12616-12626 . |
| MLA | Zhang, Yue et al. "3-D Printing of PAM Hydrogel-Based Iontronic for Dual-Mode Epidermal Sensors" . | IEEE SENSORS JOURNAL 25 . 8 (2025) : 12616-12626 . |
| APA | Zhang, Yue , Lan, Ao , Xia, Yuanhao , Yin, Xiangyu , He, Bingwei , Zhu, Pengli . 3-D Printing of PAM Hydrogel-Based Iontronic for Dual-Mode Epidermal Sensors . | IEEE SENSORS JOURNAL , 2025 , 25 (8) , 12616-12626 . |
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The natural porosity architectures, polar functional groups, low density, and biocompatibility of biomass carbon materials make them highly promising for the development of lightweight electromagnetic microwave absorbers. Sugarcane bagasse served as the raw material for this investigation, and sugarcane bagasse-derived carbon/FexOy was prepared using the in-situ growth method and temperature field-directed casting. By adjusting the content of ferrite hollow spheres, magnetic conduction losses and heterogeneous interfacial polarization losses are improved. Controlling the electrical conductivity losses and multiple scattering structures of biomass-derived carbon at different annealing temperatures, impedance matching is achieved through the synergistic operation of various loss mechanisms. BDC@C-1.2–750 exhibited a minimum reflection loss (RLmin) of −46.6 dB at a filler content of only 5 wt% and a thickness of 1.9 mm and obtained a maximum effective absorption bandwidth (EABmax) of 5.52 GHz at the same thickness. The ice template directional casting formed an orderly thermal conduction path, providing channels for phonon and electron transport, which is beneficial for the efficient heat dissipation of the microwave absorber. This finding thus offers a promising technique for creating ultra-lightweight microwave absorbers that facilitate heat dissipation. © 2025 Elsevier B.V.
Keyword ：
Biomass carbon Biomass carbon Biomass-derived porous carbon Biomass-derived porous carbon Electromagnetic wave absorption Electromagnetic wave absorption Freeze casting Freeze casting Light weight Light weight
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| GB/T 7714 | Zhou, T. , Xu, J. , Zhao, H. et al. FexOy-decorated biomass-derived carbon: A lightweight electromagnetic wave absorber and thermal conductor [J]. | Colloids and Surfaces A: Physicochemical and Engineering Aspects , 2025 , 717 . |
| MLA | Zhou, T. et al. "FexOy-decorated biomass-derived carbon: A lightweight electromagnetic wave absorber and thermal conductor" . | Colloids and Surfaces A: Physicochemical and Engineering Aspects 717 (2025) . |
| APA | Zhou, T. , Xu, J. , Zhao, H. , Zhang, C. , Wei, Y. , Yin, X. et al. FexOy-decorated biomass-derived carbon: A lightweight electromagnetic wave absorber and thermal conductor . | Colloids and Surfaces A: Physicochemical and Engineering Aspects , 2025 , 717 . |
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As one of the most potent greenhouse gases, SF6 has a significant economic and environmental impact on the purification and recovery of exhaust gases from the semiconductor industry. The adsorption and separation performance of SF6 on a two-dimensional covalent organic framework TAT-COFs-1-AB with different functional groups (-SO3H, -Et, -NH2, -OMe, -OH, -H) was investigated by using grand canonical Monte Carlo (GCMC) simulations and density functional theory (DFT) calculations. The results show that the adsorption at low pressure depends on the interactions between the SF6 and COF frameworks, while at high pressure it is mainly affected by the porosity. The highest adsorption capacity of 8.44 mmol/g (298 K, 100 kPa) is exhibited by TAT-COF-1-AB-H, which has the highest porosity. Chemical functionalization was found to be effective in enhancing the SF6/N-2 selectivity. Among all the functionalized COFs, TAT-COF-1-AB-NH2, with the highest specific surface area and strong heat of adsorption, showed the highest selectivity. The simulation of self-diffusion also shows consistent results with the GCMC simulation. The findings highlight that the adsorption capacity is influenced by substituent and porosity, with SF6 showing a consistent preference for adsorption at hollow sites, as evidenced by binding energy and charge transfer analyses.
Keyword ：
DFT DFT functionalized COF functionalized COF GCMC GCMC SF6 adsorption SF6 adsorption
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| GB/T 7714 | Shen, Kun , Ning, Junjie , Zhao, Rui et al. Two-dimensional ammonia-linked COF structures with different substituents for the adsorption and separation of sulfur hexafluoride: A theoretical study [J]. | INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY , 2024 , 124 (15) . |
| MLA | Shen, Kun et al. "Two-dimensional ammonia-linked COF structures with different substituents for the adsorption and separation of sulfur hexafluoride: A theoretical study" . | INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY 124 . 15 (2024) . |
| APA | Shen, Kun , Ning, Junjie , Zhao, Rui , Gao, Kunqi , Yin, Xiangyu , Hou, Linxi . Two-dimensional ammonia-linked COF structures with different substituents for the adsorption and separation of sulfur hexafluoride: A theoretical study . | INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY , 2024 , 124 (15) . |
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Flexible strain sensors have made great progress and been applied tentatively in recent years. However, there are still many challenges and problems hindering their widespread application, including incompatible high sensitivity and wide detection range, poor durability, and time-consuming fabrication procedures. In this work, a dual-nozzle-assisted one-step strategy for the fabrication of integrated flexible strain sensors is proposed. During the fabrication, Ecoflex and its composite multiwalled carbon nanotube (MWCNT)/Ecoflex were extruded and thermally cured from the two nozzles, respectively. Taking advantage of the same base resin, the strain-sensitive and the insulating components in the fabricated flexible strain sensors are chemically bonded firmly and form an integrated device. The fabricated sensor exhibits good performance in terms of high gauge factor (GF = 165.3), good stability, low hysteresis, fast response time (60 ms), wide detection range (0%-300% strain), and ultralow detection limit (0.1% strain), showing promising applications in health monitoring and human-computer interaction.
Keyword ：
Capacitive sensors Capacitive sensors Dual-nozzle printing Dual-nozzle printing flexible flexible Ink Ink integrated sensor integrated sensor Optical sensors Optical sensors Printing Printing Sensitivity Sensitivity Sensor phenomena and characterization Sensor phenomena and characterization Sensors Sensors strain sensor strain sensor
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| GB/T 7714 | Zhong, Faxin , Chen, Shiqi , Chen, Shuoyuan et al. Dual-Nozzle Extrusion Printing of Highly Sensitive and Durable Strain Sensor Based on MWCNT/Ecoflex Composites [J]. | IEEE SENSORS JOURNAL , 2023 , 23 (7) : 6563-6570 . |
| MLA | Zhong, Faxin et al. "Dual-Nozzle Extrusion Printing of Highly Sensitive and Durable Strain Sensor Based on MWCNT/Ecoflex Composites" . | IEEE SENSORS JOURNAL 23 . 7 (2023) : 6563-6570 . |
| APA | Zhong, Faxin , Chen, Shiqi , Chen, Shuoyuan , Zhang, Yue , Yin, Xiangyu , He, Bingwei . Dual-Nozzle Extrusion Printing of Highly Sensitive and Durable Strain Sensor Based on MWCNT/Ecoflex Composites . | IEEE SENSORS JOURNAL , 2023 , 23 (7) , 6563-6570 . |
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Constructing multi-component materials with dielectric-magnetic synergy effects has been a significant focus of recent works to enhance microwave absorption efficiency. Herein, a top-down exfoliation strategy for forming carboxylated g-C3N4 (CCN) was demonstrated to achieve rich interfaces and enhanced interface compatibility. The abundant defects and functional groups (-COOH, -OH, C-O, and CQO) of CCN enhanced the dipole polarization. Furthermore, MWCNTs and Fe3O4 were facilely decorated onto the surface of CCN by the general co-precipitation method to form CCN/C-Fe3O4 composite absorbers with multiple heterogeneous interfaces and attenuation mechanisms. Changing the content of CCN, CN/C-Fe3O4 exhibits excellent wave absorption and impedance matching charac-teristics with a minimum reflection loss value (RLmin) of -51.74 dB at only 1.9 mm (11.12 GHz), and the efficient absorption bandwidth can reach up to 4.28 GHz at 1.4 mm. This work reveals how CCN enhanced the synergistic balance between the dielectric-magnetic loss in composites. It also provides a new idea for the facile synthesis of novel multi-component composites for high-performance micro-wave absorption.
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| GB/T 7714 | Liu, Huan , Wu, Shengjin , Wang, Qihong et al. Facile fabrication of exfoliated g-C3N4/MWCNTs/Fe3O4 ternary composites with multi-component functional synergy for high-performance microwave absorption [J]. | JOURNAL OF MATERIALS CHEMISTRY C , 2023 , 11 (7) : 2552-2564 . |
| MLA | Liu, Huan et al. "Facile fabrication of exfoliated g-C3N4/MWCNTs/Fe3O4 ternary composites with multi-component functional synergy for high-performance microwave absorption" . | JOURNAL OF MATERIALS CHEMISTRY C 11 . 7 (2023) : 2552-2564 . |
| APA | Liu, Huan , Wu, Shengjin , Wang, Qihong , Zheng, Zongrui , Zhao, Hao , Zhao, Yulai et al. Facile fabrication of exfoliated g-C3N4/MWCNTs/Fe3O4 ternary composites with multi-component functional synergy for high-performance microwave absorption . | JOURNAL OF MATERIALS CHEMISTRY C , 2023 , 11 (7) , 2552-2564 . |
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CoSx materials with high catalytic activity are considered as promising HER electrocatalysts, but their inherent low electrical conductivity and easy loss of active sites have greatly limited their applications in OER electrocatalysis. Herein, we present a convenient method to synthesize Co-Cu hollow nanoprisms after wrapping and calcining with trithiocyanuric acid (C3H3N3S3) (denoted N-Co-Cu-S-x HNs). The results showed that Cu doping modified the charge density of Co center, leading to the enhancement of the intrinsic activity of the Co3S4 active center, meanwhile wrapping trithiocyanuric acid on the sur-faces and calcinating to form N-containing C skeleton as a flexible substrate to encapsulate the catalysts, which effectively protected the active sites inside the catalysts. Notably, the OER catalyst that was opti-mized by adjusting the metal ratio and controlling the trithiocyanuric acid incorporation exhibited a low overpotential of 306 mV under a current density of 10 mA cm-2 and showed a superior durability of more than 27 h. This work may provide some insights into the preparation of oxygen evolution reaction cata-lysts with excellent performance through doping transition metals and protecting the internal active sites strategies.(c) 2022 Elsevier Inc. All rights reserved.
Keyword ：
Hollow nanoprisms Hollow nanoprisms N-Co-Cu-S-x N-Co-Cu-S-x N-containing C skeleton N-containing C skeleton Oxygen evolution reaction Oxygen evolution reaction Trithiocyanuric acid Trithiocyanuric acid
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| GB/T 7714 | Su, Nan , Liu, Mengying , Qiu, Silong et al. Skeleton-coated CoCu-Based bimetal hollow nanoprisms as High-Performance electrocatalysts for oxygen evolution reaction [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2023 , 629 : 763-772 . |
| MLA | Su, Nan et al. "Skeleton-coated CoCu-Based bimetal hollow nanoprisms as High-Performance electrocatalysts for oxygen evolution reaction" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 629 (2023) : 763-772 . |
| APA | Su, Nan , Liu, Mengying , Qiu, Silong , Hu, Congyi , Yin, Xiangyu , Xiao, Longqiang et al. Skeleton-coated CoCu-Based bimetal hollow nanoprisms as High-Performance electrocatalysts for oxygen evolution reaction . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2023 , 629 , 763-772 . |
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Polyimide (PI) is widely used in the communication field benefited from its low dielectric properties and good electrical insulating properties, however, its low thermal conductivity simultaneously limits its application in electronic packaging. Delayed heat dissipation can exacerbate the thermal stress generated by device operation to damage electronic structures, thereby affecting work efficiency. As a result, it is necessary to improve the thermal conductivity of polyimide and maintain excellent dielectric performance. Here, we demonstrate the polyimide (BPDA-ODA) composites with ordered structure are prepared by filling commercial polyimides with aramid nanofibers connection nitrides greatly improve thermal conductivity and maintain the low dielectric loss. When the filling amount of SBN@CN is 30 wt%, the thermal conductivity increases to 1.162 W/mK, which is 8 times higher than that of pure PI (0.0147 W/mK). Moreover, thermal stability and mechanical properties are maintained, realizing that the dielectric constant is about 3.81 and the dielectric loss is as low as 0.0034 at 100 MHz, which endows a new insight for the application of polyimide in electronic packaging.
Keyword ：
boron nitride boron nitride composites composites dielectric loss dielectric loss polyimide polyimide thermal conductivity thermal conductivity
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| GB/T 7714 | Song, Qianyu , Wang, Mengqiu , Lai, Yiming et al. Preparation and properties of branch-leaf-like polyimide composite films with high thermal conductivity and low dielectric loss [J]. | JOURNAL OF APPLIED POLYMER SCIENCE , 2023 , 140 (41) . |
| MLA | Song, Qianyu et al. "Preparation and properties of branch-leaf-like polyimide composite films with high thermal conductivity and low dielectric loss" . | JOURNAL OF APPLIED POLYMER SCIENCE 140 . 41 (2023) . |
| APA | Song, Qianyu , Wang, Mengqiu , Lai, Yiming , Wang, Qihong , Yin, Xiangyu , Hou, Linxi . Preparation and properties of branch-leaf-like polyimide composite films with high thermal conductivity and low dielectric loss . | JOURNAL OF APPLIED POLYMER SCIENCE , 2023 , 140 (41) . |
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ability of electronic skin to detect and dis-tinguish multiple tactile stimuli is important to properly mimic human skin. Although a few dual-parameter sensors have recently been designed to identify the most common tactile stimuli such as pressure and heat, it remains a difficult task to develop a dual-parameter sensor that is free from signal interference, easy to prepare, and signal readout, and requires no bias voltage. Here, we develop a simple but effective vertical stacking of sensing components strat-egy for high-performance dual-parameter sensing systems, in which multiwalled carbon nanotubes (MWCNTs)/textile and PEDOT:PSS/photopaper were designed as pressure-and thermal-sensitive components, and a layer of double-sided tape with a thickness of 200 mu m is sandwiched between two sensitive components for electrical and thermal isolation. The dual-parameter sensor exhibits good sensing performance in terms of sensitivity, response time, detection range, and stability for both pressure and temperature detection. More importantly, the tactile inputs of pressure and temperature can be distinguished without signal decoupling. The preparation of the dual-parameter sensor is simple and low cost, and its requirements for the readout device are as low as a single-chip microcomputer. This work provides a promising prototype for multiparameters e-skin, which has great potential for applications in robot applications, human-computer interaction, and intelligent wearable devices.
Keyword ：
Bionic electronic skin Bionic electronic skin dual-parameter dual-parameter signal decoupling signal decoupling tactile perception tactile perception
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| GB/T 7714 | Chen, Shiqi , Han, Xiaolong , Zhong, Faxin et al. A Vertically Stacked Dual-Parameter Sensor for Simultaneous Temperature and Pressure Detection [J]. | IEEE SENSORS JOURNAL , 2023 , 23 (6) : 6204-6213 . |
| MLA | Chen, Shiqi et al. "A Vertically Stacked Dual-Parameter Sensor for Simultaneous Temperature and Pressure Detection" . | IEEE SENSORS JOURNAL 23 . 6 (2023) : 6204-6213 . |
| APA | Chen, Shiqi , Han, Xiaolong , Zhong, Faxin , Yin, Xiangyu , Zhang, Yue , He, Bingwei . A Vertically Stacked Dual-Parameter Sensor for Simultaneous Temperature and Pressure Detection . | IEEE SENSORS JOURNAL , 2023 , 23 (6) , 6204-6213 . |
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Boosting the dissociation of excitons is essential to enhance the photocatalytic efficiency. However, the relationship between the structure of the catalyst and the exciton effect on the photocatalytic activity is still unclear as the main problem. Here, it is proposed that as a descriptive factor, an experimentally measurable dielectric constant (& epsilon;(r)) is available to quantitatively describe its relationship with exciton binding energy (E-b) and photocatalytic activity. With tuning the linker of covalent organic frameworks (COFs), the "air gap" structure is oriented to shrink, leading to an increased & epsilon;(r) of COFs and a lower E-b to facilitate exciton dissociation. Meanwhile, taking "water-/oxygen-fueled" photo-induced electron transfer reversible addition-fragmentation chain transfer (PET-RAFT) polymerization as a demonstration platform, it can be seen that COFs with a small "air gap" structure have relatively superior photocatalytic activity. This provides important implications for the evolution of efficient photocatalysts.
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| GB/T 7714 | Yang, Hongjie , Lu, Zhen , Yin, Xiangyu et al. Influence laws of air gap structure manipulation of covalent organic frameworks on dielectric properties and exciton effects for photopolymerization [J]. | CHEMICAL SCIENCE , 2023 , 14 (30) : 8095-8102 . |
| MLA | Yang, Hongjie et al. "Influence laws of air gap structure manipulation of covalent organic frameworks on dielectric properties and exciton effects for photopolymerization" . | CHEMICAL SCIENCE 14 . 30 (2023) : 8095-8102 . |
| APA | Yang, Hongjie , Lu, Zhen , Yin, Xiangyu , Wu, Shengjin , Hou, Linxi . Influence laws of air gap structure manipulation of covalent organic frameworks on dielectric properties and exciton effects for photopolymerization . | CHEMICAL SCIENCE , 2023 , 14 (30) , 8095-8102 . |
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