International Journal of Biological Macromolecules, Год журнала: 2024, Номер 291, С. 139086 - 139086
Опубликована: Дек. 21, 2024
Язык: Английский
Advanced Functional Materials, Год журнала: 2025, Номер unknown
Опубликована: Янв. 7, 2025
Abstract The conversion of lignin into aviation fuel offers a promising, energy‐efficient route for sustainable jet production. key to this transformation lies in the selective hydrogenation lignin's aromatic rings, deoxygenation its oxygen‐containing and phenolic hydroxyl groups, cleavage bonds between polycyclic hydrocarbons. Using phosphorus‐doped CoMn‐P catalyst, electrochemical lignin, assisted by light, can reduce energy consumption ≈20%, resulting significant yield hydrocarbons cycloalkanes. Phosphorus doping modulates catalyst's electronic structure, enhancing adsorption β─O─4 bonds, methoxy thereby enabling with low reaction barrier. This approach provides an innovative pathway directly converting hydrocarbon mixtures suitable fuel.
Язык: Английский
Процитировано
3
ACS Applied Nano Materials, Год журнала: 2025, Номер unknown
Опубликована: Фев. 5, 2025
Язык: Английский
Процитировано
1
Scientific Reports, Год журнала: 2025, Номер 15(1)
Опубликована: Март 1, 2025
Abstract The application of flexible hydrogel sensors in extreme environments, such as low temperatures, underwater, or significant mechanical deformations, poses considerable challenges. Here, we present a simple one-pot method to fabricate ultra-tough, swelling- and freezing-resistant conductive organohydrogels without external freeze-resistant fillers. During gelation, by-products (C 6 H 15 NHCl, KCl) provide both conductivity antifreeze properties, thus eliminating compatibility issues dispersion challenges associated with resulting gel exhibits super toughness, tensile strength reaching 10.2 MPa stretchability up 800% the dry state. Following covalent crosslinking, demonstrates excellent anti-swelling swelling ratio only 15.4% after 24 h water immersion, while maintaining 5.8 an elongation 1000%. When fabricated into sensors, these gels display stable electrical responsiveness desired Gauge Factor (0.58–2.25), effectively detecting limb movements. Furthermore, gel’s superior resistance freezing ensures reliable signal stability under − 20 °C underwater conditions. These combined properties render promising candidate for sensing components robotic bionic applications.
Язык: Английский
Процитировано
1
Small Methods, Год журнала: 2024, Номер unknown
Опубликована: Ноя. 12, 2024
Electrically conductive hydrogels are highly hydrated 3D networks consisting of a hydrophilic polymer skeleton and electrically materials. Conductive have excellent mechanical electrical properties further extensive application prospects in biomedical treatment other fields. Whereas numerous been fabricated, set general principles, that can rationally guide the synthesis using different substances fabrication methods for various scenarios, remain central demand hydrogels. This paper systematically summarizes processing, performances, applications hydrogels, discusses challenges opportunities this field. In view shortcomings high conductivity, matchable properties, as well integrated devices machines, it is proposed to synergistically design process with complex surroundings. It believed will present fresh perspective research development expand
Язык: Английский
Процитировано
5
ACS Applied Polymer Materials, Год журнала: 2025, Номер unknown
Опубликована: Янв. 9, 2025
With the rapid advancement of artificial intelligence, flexible wearable sensors based on conductive hydrogels have gained significant attention. However, conventional often use toxic cross-linkers to achieve desirable tensile strength by forming a three-dimensional network structure. This impedes their potential applications in sensors. In this study, we present an approach construct purely physically cross-linked liquid metal-reduced graphene oxide (GO) composite hydrogel, entirely free from cross-linkers. The results show that hydrogel has outstanding stretchable properties (strain: 348.22%, stress: 4.239 MPa). By optimally designing hydrogel's structure, favorable sensitivity coefficients: optimum gauge factor = 20.2 (0–100% strain, R2 0.98), and wide photothermal response range (808–850 nm) were obtained. Further, incorporation reduced GO @ metal particles (rGO@LM) enhances ability strain sensing performance. work provides pathway for development with high multifunctional responsiveness, offering promising motion detection temperature monitoring
Язык: Английский
Процитировано
0
Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 159659 - 159659
Опубликована: Янв. 1, 2025
Язык: Английский
Процитировано
0
ACS Sensors, Год журнала: 2025, Номер unknown
Опубликована: Фев. 12, 2025
Large-area, flexible pyroelectric sensors have received increasing attention in a range of applications including electronic skin, robotics, and military. However, existing struggle to achieve both high performance excellent mechanical properties simultaneously. Here, we propose universal island-bridge percolation structure inspired by the electric organ ray that can enable nonpyroelectric substrates with generate effect. The network made particles (island) carboxyl-functionalized multiwalled carbon nanotubes (bridge) achieved transmission superposition effect through film polarization sensor based on not only inherits but also substrates. fabricated from polydimethylsiloxane (PDMS) exhibit good reliability even under 30% tensile rate 5,000 tensile-retraction cycles, those polyimide (PI) serve as skin for robots detect heat sources possess infrared sensing maximum distance 8 cm. This study provides ideas fabricate highly high-performance properties.
Язык: Английский
Процитировано
0
Journal of Materials Chemistry C, Год журнала: 2025, Номер unknown
Опубликована: Янв. 1, 2025
A pressure sensor was prepared using an MXene/Ag nanoflowers/cotton fabric with superhydrophobicity and it exhibited high sensitivity over a wide range. It has promising potential for applications in flexible wearable devices.
Язык: Английский
Процитировано
0
ACS Sustainable Resource Management, Год журнала: 2025, Номер unknown
Опубликована: Фев. 28, 2025
Язык: Английский
Процитировано
0
Journal of Applied Polymer Science, Год журнала: 2025, Номер unknown
Опубликована: Март 10, 2025
ABSTRACT Developing epoxy resin (EP) with satisfactory comprehensive properties has significant prospects in high‐tech industries, but achieving this goal remains a challenge. In work, macromolecular flame retardant (PSi) was synthesized using vanillin, phenylphosphonic dichloride (PPDC), 9,10‐dihydro‐9‐oxa‐10‐phospha‐phenanthrene 10‐oxide (DOPO), and 1,3‐bis(aminopropyl)tetramethyldisiloxane (DAPTMS). PSi subsequently utilized to fabricate high‐performance EP. The EP 2 wt% (i.e., EP/PSi ) exhibits flame‐retardant performance. It achieves V‐0 rating the Underwriters Laboratories‐94 (UL‐94) test limiting oxygen index (LOI) of 29.2%. peak heat release rate (PHRR) total (THR) decreased by ~14.7% ~9.6%, respectively. Compared unmodified EP, tensile strength impact increase ~9.0% ~67.5%, respectively, while maintaining high glass transition temperature ( T g ). Moreover, incorporation significantly enhances UV‐shielding without sacrificing its transparency. This work provides an integrated strategy for developing efficient vanillin‐based retardant. fabricated mechanical robustness, transparency, broad industrial applications.
Язык: Английский
Процитировано
0