MACROMOLECULES
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2024
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IF 5.1
Meiying Ge,Yonggui Li,Lixin Wu,Ren Liu,Jia-Tao Miao
Fabricating biobased flexible polymers with high toughness and self-healing ability will promote sustainable development of the fast-growing flexible electronic industry. Herein, a biobased allyl compound (BAMDB) with boronic ester bonds was synthesized from renewable eugenol and then combined with multifunctional thiol via thiol–ene “click” photopolymerization to form a series of flexible networks (BAMDB-SH). Their integrated performance, including thermal, optical, and mechanical properties as well as self-healing behavior, was studied. Their glass transition temperature ranged from 42 to 55 °C and showed high transparency (88.2–89.3% at 550 nm). At the same time, BAMDB-SH3 has the most excellent comprehensive mechanical properties with a tensile strength, an elongation at break, and a toughness of 29.8 MPa, 194.3%, and 35.3 MJ m–3, respectively, owing to its rigid-soft network structure with appropriate cross-linking density. Depending on the dynamic exchange of boronic ester bonds, BAMDB-SH3 networks could be healed in 30 min at 80 °C with a high self-healing efficiency of 98%. In addition, based on the excellent comprehensive performance and self-healing properties of BAMDB-SH3, it was used to prepare a sandwich sensor by integrated encapsulation of silver nanowires for wrist activity detection, demonstrating the potential applications of BAMDB-SH in flexible devices.
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MICROCHEMICAL JOURNAL
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2024
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IF 4.9
Linghui Tang,Yue Wang,Wenwen Yu,Yan Dong,Yasushi Hasebe
Heavy metal ions have significant risks to both environment and human health, and their detrimental effects are irreversible. Therefore, a sensor capable of simultaneous detecting heavy metal ions with high accuracy presents a significant challenge. In this work, a conductive hydrogel was synthesized using 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS), methacrylamide (MAM), and hydroxyethyl methacrylate (HEMA) as monomers, N, N’-methylenebis(acrylamide) as the crosslinker, through physically doping with silver nanoparticles. The prepared hydrogel has the characteristics of good conductivity, excellent swelling ability and high adsorption capacity for enrichment of heavy metal ions (HIMs). The three-dimensional network hydrogel was directly used for simultaneous detection of HIMs in multiplex system, with superior separation ability, good linear ranges, excellent reproducibility and good long-time stability. Additionally, this sensor can accurately detect Cu 2+ in river sample, demonstrating high precision and applicability. The fabrication of the hydrogel electrochemical sensor is simple and mild, allowing for the electrochemical capture of various HIMs and holds practical application prospect.
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JOURNAL OF HAZARDOUS MATERIALS
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2024
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IF 12.2
Qiurong Zhang,Huixian Zhou,Ping Jiang,Lijun Wu,Xiang Xiao
The spread of bacteriophage-borne antibiotic resistance genes (ARGs) poses a realistic threat to human health. Nanomaterials, as important emerging pollutants, have potential impacts on ARGs dissemination in aquatic environments. However, little is known about its role in transductive transfer of ARGs mediated by bacteriophage in the presence of microplastics. Therefore, this study comprehensively investigated the influence of silver nanoparticles (AgNPs) on the transfer of bacteriophage-encoded ARGs in planktonic Escherichia coli and microplastic-attached biofilm. AgNPs exposure facilitated the phage transduction in planktonic and microplastic-attached bacteria at ambient concentration of 0.1 mg/L. Biological binding mediated by phage-specific recognition, rather than physical aggregation conducted by hydrophilicity and ζ-potential, dominated the bacterial adhesion of AgNPs. The aggregated AgNPs in turn resulted in elevated oxidative stress and membrane destabilization, which promoted the bacteriophage infection to planktonic bacteria. AgNPs exposure could disrupt colanic acid biosynthesis and then reduce the thickness of biofilm on microplastics, contributing to the transfer of phage-encoded ARGs. Moreover, the roughness of microplastics also affected the performance of AgNPs on the transductive transfer of ARGs in biofilms. This study reveals the compound risks of nanomaterials and microplastics in phage-borne ARGs dissemination and highlights the complexity in various environmental scenarios.
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JOURNAL OF ALLOYS AND COMPOUNDS
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2025
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IF 6.3
Fei Gao,Bo Liao,Wenmiao Li,Rui Yu
Molten salt electrorefining offers a promising approach for green and efficient recycling of waste cemented carbides. However, the conventional halide-based electrolytes suffer from volatile tungsten halide losses and only recover metallic tungsten, necessitating energy-intensive carburization to recover tungsten carbide (WC). Herein, we propose a novel electrolytic refining and recovery method based on an oxygen-containing CaCl 2 -CaO molten salt electrolyte. The introduction of CaO suppresses the formation of volatile tungsten halides, enabling simultaneous dissolution of carbon (C) and tungsten (W) in the WC-Co anode to non-volatile CaCO 3 and CaWO 4 , respectively. Retention of Co in the anode slime is achieved through controlling anodic potential, realizing component separation. The dissolved CaCO 3 and CaWO 4 are reduced at the cathode, resulting in the generation of WC powder. This work accomplishes the direct recycling of WC from spent cemented carbides without intermediate stages. The composite products of WC and carbon are deposited on the cathodes, of which morphologies are comprised of granular aggregates and flakes. The presence of carbon suppresses the formation of W 2 C and W. However, the residual carbon does not affect hard alloy reprocessing since the W/C ratio can be adjusted via controlled W addition during subsequent alloying. This paper proposes a novel short-process green recycling technology for strategic tungsten resources.
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PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
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2024
·Vol. 121
·期 11
·e2317440121
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IF 9.4
Feng Xu,Hongjian Zhang,Haodong Liu,Wenqi Han,Zhentao Nie,Yufei Lu,Haoyang Wang,Jixin Zhu
Silicone-based elastomers (SEs) have been extensively applied in numerous cutting-edge areas, including flexible electronics, biomedicine, 5G smart devices, mechanics, optics, soft robotics, etc. However, traditional strategies for the synthesis of polymer elastomers, such as bulk polymerization, suspension polymerization, solution polymerization, and emulsion polymerization, are inevitably restricted by long-time usage, organic solvent additives, high energy consumption, and environmental pollution. Here, we propose a Joule heating chemistry method for ultrafast universal fabrication of SEs with configurable porous structures and tunable components (e.g., graphene, Ag, graphene oxide, TiO2, ZnO, Fe3O4, V2O5, MoS2, BN, g-C3N4, BaCO3, CuI, BaTiO3, polyvinylidene fluoride, cellulose, styrene-butadiene rubber, montmorillonite, and EuDySrAlSiOx) within seconds by only employing H2O as the solvent. The intrinsic dynamics of the in situ polymerization and porosity creation of these SEs have been widely investigated. Notably, a flexible capacitive sensor made from as-fabricated silicone-based elastomers exhibits a wide pressure range, fast responses, long-term durability, extreme operating temperatures, and outstanding applicability in various media, and a wireless human–machine interaction system used for rescue activities in extreme conditions is established, which paves the way for more polymer-based material synthesis and wider applications.
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ACS Applied Electronic Materials
·
2025
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IF 4.7
Zhixian Wu,Xueyong Zheng,Chunli Jiang,Junhan Xie,Weimin Liu,Bo Li,Hechun Lin,Hui Peng,Chunhua Luo
Tin (Sn)-based perovskite light-emitting diodes (PeLEDs) have garnered significant attention owing to their superior optoelectronic properties, affordable solution processing, and environmental friendliness. However, the properties of Sn-PeLEDs trail those of their lead (Pb) counterparts. The main obstacle is the easy oxidation of Sn2+ to Sn4+ as well as fast crystallization, leading to poor film quality with many defects. Herein, a convenient and effective interface engineering strategy is reported to fabricate (2-thiopheneethylamine)2SnI4 (TEA2SnI4) PeLEDs by introducing different peptides into the PEDOT:PSS hole-transport layer (HTL). Benefiting from the interaction between the peptide molecules and the Sn-perovskite nuclei, the crystallization dynamics are effectively adjusted, leading to an improved film morphology. At the same time, the multiple functional groups of peptides can suppress Sn2+ oxidation and passivate interface defects. Therefore, perovskite films with improved luminescence efficiency are obtained. The perovskite films are further used for the fabrication of pure red PeLEDs with enhanced performance. In particular, the optimized devices based on Leu-Gly-Gly (LGG) achieve a peak external quantum efficiency of 0.5% and a brightness of 136 cd m–2, which are about 2 and 3 times larger, respectively, than those of the reference device. This research offers a general strategy to improve the performance of Sn-PeLEDs via peptide interface engineering.
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CHEMOSPHERE
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2024
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IF 8.1
Ying Ding,Jin-Ting Zheng,Ya-Ning Wang,Di Wu,Dong Zhu
There is growing interest in interactions of microplastics (MPs) with other pollutants. However, there is limited understanding of the combined effects of MPs and silver nanoparticles (AgNPs) on nontarget soil organisms. This work aimed to examine the effects of exposure to various AgNPs' concentrations alone (0, 0.1, 1, 10, 100, 1000 mg kg −1 , 50 nm) and in combination with polyvinyl chloride microplastics (PVC MPs, 80−250 μm) at 0.1% concentration for 28 days on reproduction, Ag accumulation, C/N ratio, and isotopic fractionation of the standard soil fauna collembolan Folsomia candida . Results showed that compared to the AgNPs exposure alone, the presence of MPs significantly reduced reproduction by 51.4% and markedly increased Ag content in collembolans by 87.7% at 1000 mg kg −1 AgNPs, which evidenced a synergistic effect. Co-exposure to MPs and AgNPs resulted in a noticeable reduction in the C/N ratio in F. candida body tissues by 9.90% and 5.27% at 1 and 10 mg kg −1 AgNPs, respectively, showing additive and synergistic effects. Additionally, this co-exposure altered stable isotope fractionation, with the highest increments of δ 15 N by 32.3% and inhibition of δ 13 C by 2.62%, demonstrating the turnover of nutrients shift in the collembolan tissues. Collectively, this study demonstrates that con-current exposure to environmentally relevant concentration of MPs and relatively high doses of AgNPs synergistically induces toxic effects on F. candida , leading to Ag accumulation and reproduction decline. These findings imply that MPs could alter collembolans' responses to AgNPs exposure, potentially enhancing the metal ions’ bioavailability in soil environments and posing ecotoxicological threats to soil-dwelling organisms.
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WATER RESEARCH
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2025
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IF 12.4
Fang Zhao,Zhao Yang,Yifan Xiao,Ganghua Han,Kim R. Hardie,Mark Bartlam,Yingying Wang
The stereochemistry of antibiotics significantly affects resistance development. With rising antibiotic resistance, nanotechnology is emerging as a promising solution, potentially increasing the likelihood of nanoparticle coexistence with antibiotics in wastewater treatment plants (WWTPs). However, the influence of nanoparticles on chiral antibiotics induced resistance remains unclear. This study employed chemical characterization, metagenomics, and molecular docking to comprehensively elucidate the resistance mechanisms induced by the combination of silver nanoparticles (AgNPs) and chiral antibiotics (ofloxacin: OFL and levofloxacin: LEV). AgNPs significantly altered the abundance and composition of antibiotic and metal resistance genes, as well as the conjugative transfer of the RP4 plasmid among activated sludge communities, with the OFL_AgNPs combination exhibiting a higher resistance potential than LEV_AgNPs. Mechanistic studies revealed that chiral antibiotics selectively interact with AgNPs, promoting Ag + release, enhancing antibiotic uptake, and forming stable complexes. These interactions reshaped microbial functions, including cell membrane permeability, oxidative stress response, quorum sensing, and extracellular secretion, thereby shaping resistance profiles. This study reveals previously overlooked enantiomer-specific risks associated with nanoparticle-antibiotic interactions and provides a foundation for strategies to mitigate ARG dissemination in wastewater treatment and broader environmental systems.
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ADVANCED FUNCTIONAL MATERIALS
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2025
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IF 19
Fapeng Sun,Wei Liu
2D ionic-electronic coupled materials, offering mobile ions as an additional degree of freedom, open new avenues for device functionality beyond traditional electronic systems. However, harnessing ionic-electronic interactions to achieve broadband photodetection remains unexplored. Here, a van der Waals ionic-electronic semiconductor is reported that exhibits an ultrahigh and anisotropic temperature coefficient of resistance (TCR) of −7.29% °C −1 , which is attributed to its high ionic activation energy. Leveraging both photoelectric and bolometric effects, AIPSe enables dual-mode photodetection across the visible to near-infrared range. Through device engineering with asymmetric Schottky contacts and ionic migration modulation, photodiodes with an ultrahigh rectification ratio of ≈108 and bias-tunable dual-mode operation: photovoltaic detection with a responsivity of 0.385 A W −1 at 532 nm, and bolometric sensing with 0.486 A W −1 at 1550 nm is achieved. These devices demonstrate spectral self-recognition, secure dual-band optical communication, and multi-wavelength imaging capabilities. The work establishes ionic-electronic correlated transport in 2D materials as a new paradigm for beyond-bandgap optoelectronic technologies.
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ADVANCED FUNCTIONAL MATERIALS
·
2025
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IF 19
Mei Yu,Haoshi Zhang,Qianhengyuan Yu,Jianping Huang,Hanfei Li,Hang Zhao,Zijian Yang,Fei Han,Jing Sun,Bowen Gu,Guangfa Xiang,Chenyang Li,Huan Yu,Wen Hou,Yang Zhao,Qiong Tian,Guanglin Li,Zhiyuan Liu,Qingsong Li
Luminal organs such as the gastrointestinal tract, auditory canal, and urogenital tract exhibit complex, folded, and dynamic architectures, presenting significant challenges for stable and conformal electrophysiological monitoring. Conventional soft electrodes, while effective on flat surfaces, often fail to adapt to the deep-seated, narrow, and irregular environments of endoluminal tissues. Here, a balloon electrode incorporating a semi-embedded Ag–Au core–shell nanowire (Ag@AuNW) composite is developed to enable active and reversible interfacing with endoluminal tissues of various sizes. The Ag@AuNW composite is fabricated using tape-assisted masking and vacuum filtration, followed by partial embedding in elastomer to form a percolated conductive network with high conductivity, mechanical durability, chemical stability, and omnidirectional stretchability (600% area strain). When integrated onto a catheter, the balloon electrode undergoes a reversible tubular-to-balloon transformation during inflation, actively expanding to conform to folded tissue surfaces and reduce interfacial impedance. It maintains stable electro-mechanical performance over 1000 inflation-deflation cycles. For proof-of-concept, the device is deployed into human ear canals and rabbit vaginas, where it achieves conformal adaptation and enables the acquisition of high-quality electroencephalography (EEG) and electromyography (EMG) signals, outperforming conventional electrodes. These results highlight the potential of an omnidirectionally stretchable balloon electrode for minimally invasive, high-fidelity electrophysiological monitoring within complex luminal organs.
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ADVANCED FUNCTIONAL MATERIALS
·
2025
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IF 19
Bingqin Li,Liangxing Jiang,Nan Xiao,Siliang Liu,Yang Lu,Huan Zhang,Zongliang Zhang,Fangyang Liu
The existing lithium extraction technologies from salt lakes are confronted with a number of challenges, including limited applicability to brines with elevated Mg/Li ratios and low overall lithium recovery rates. Therefore, it is crucial to develop direct lithium extraction technologies tailored to pristine brines. The core challenge in lithium extraction lies in the effective separation of magnesium and lithium. However, conventional methods struggle to efficiently separate Mg 2+ and Li + in a single-stage process. Lithium superionic conductors, such as Li 1.3 Al 0.3 Ti 1.7 (PO 4 ) 3 (LATP), are capable of exploiting their internal lithium ion vacancies to enhance the kinetic transport disparity between Mg 2+ and Li + , thus enabling efficient separation. By employing a high-temperature diffusion technique to introduce Ag + into the interstitial sites of the LATP lattice, the local positive charge density around Ag + is increased. This raises the migration barrier for Mg 2+ within the LATP, significantly improving the Li–Mg separation performance, with a notable long-term separation coefficient exceeding 25 000. Using 2% Ag-doped LATP, battery-grade Li 2 CO 3 with a purity of 99.7% can be produced directly from pristine salt lake brine with a Mg/Li ratio of 500 through a single-stage separation process.
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ACS Applied Electronic Materials
·
2025
·
IF 4.7
Yinyin Song,Zida Zheng,Dianyi Liu
Inorganic metal chalcogenides, such as Ag2S, are well-known for their high absorption coefficient, high carrier concentration, and excellent carrier transport properties. Ag2S exhibits strong light absorption spanning from ultraviolet (UV) to near infrared (NIR), making it highly promising for photoelectric applications. In this study, Ag2S thin films with good crystallinity and near-stoichiometric composition were prepared via the thermal evaporation process. These films demonstrated high absorption coefficient, excellent carrier mobility and high carrier concentration. The Ag2S-based photodetector was prepared and exhibited a broadband photoresponse ranging from 350 to 1200 nm, covering both UV and NIR regions. The semitransparent Ag2S photodetector was further developed and employed to consrtuct a high-resolution wavelength recognition system. Experimental results revealed an impressive wavelength measurement resolution of 1 nm, highlighting its potential for integration into miniature spectrometers.
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