JOURNAL OF ALLOYS AND COMPOUNDS
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2026
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IF 6.7
Wei Huang,Yuqi Wang,Quan Yuan,Yiran Hu,Chunmei Wang,Xiaomin Dou,Jun Liu
Addressing water scarcity and pollution in underdeveloped regions requires safe water production from inferior sources. Solar-driven interfacial evaporation (SDIE) coupled with photocatalysis offers great potential for this challenge. Herein, a dual-functional composite (BTG@MS) was fabricated by immobilizing oxygen vacancy- and Ti(III)-rich black TiO 2 /defective g-C 3 N 4 (BTG) on melamine sponge (MS) hydrogel. The composite broadens light absorption to 300–1200 nm (80.7% average absorption efficiency) and forms a type-II heterojunction, facilitating charge separation and reactive oxygen species (ROS) generation. Benefiting from MS’s hierarchical water transport pathways and BTG’s enhanced solar utilization, BTG@MS exhibits outstanding dual performance under one-sun illumination (1 kW/m 2 ), an evaporation rate of 1.26 kg/(m 2 ·h) (74.3% photothermal efficiency) and 84.5% tylosin (TYL) degradation efficiency. It also shows salt tolerance and effectiveness in purifying four types of water sources, producing clean water meeting WHO standards. This work presents an innovative strategy integrating photothermal evaporation and photocatalysis, promising practical application in tackling the water crisis in underdeveloped regions.
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高影响因子
GREEN CHEMISTRY
·
2026
·
IF 10.6
Ruojin Shen,Chao Wang,Keqin Zhang,Changyi Zhu,Lupeng Shao,Kai Zhang,Xianhai Zeng,Feng Xu,Guihua Yang,Jiachuan Chen
The complete valorization of lignocellulosic biomass is pivotal to realizing the economic viability and environmental sustainability of next-generation biorefineries. Herein, we developed a sustainable and highly selective fractionation strategy for bamboo using a glyoxylic acid-mediated deep eutectic solvent (DES) composed of tetrabutylammonium bromide and glyoxylic acid monohydrate (TBAB-GA). Treatment with the DES at 130 °C efficiently removed 79.62% of lignin, yielding carboxyl-enriched lignin while retaining 84.33% of cellulose in the solid residue. Notably, the incorporation of 30 wt% water allowed the process to be conducted at a reduced temperature (110 °C) while further enhancing the delignification efficiency from 60.76% to 85.94%. Critically, the extracted lignin exhibited an exceptionally high content of β-O-4 linkages (34.51/100Ar; 77.46% retention), indicating minimal structural condensation. This well-preserved β-O-4 content directly enabled efficient catalytic hydrogenolysis, affording aromatic monomers in a high yield of 25.45%. Leveraging the intact biopolymers, we further fabricated uniform cellulose nanofibers (CNFs) and lignin nanoparticles (LNPs), which were subsequently incorporated into alginate-based composite gel beads. These beads demonstrated an excellent protein adsorption capacity (1283 mg g−1) and pronounced selectivity toward positively charged proteins, highlighting their potential for sustainable bioseparation technologies. This work establishes a mild, efficient, and fully integrated DES-based platform that enables the concurrent production of high-purity cellulose and structurally intact lignin from raw biomass, thereby advancing the paradigm of holistic lignocellulose valorization in alignment with green chemistry principles.
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CHEMICAL ENGINEERING JOURNAL
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2026
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IF 12.5
Jian Ao,Lingjun Bu,Kunting Xie,Yangtao Wu,Jiaxin Xiao,Shiqing Zhou
Aggregation of long-chain quaternary ammonium compounds (LC-QACs) into aggregates (e.g., micelles) during material modification often limits their grafting efficiency in porous adsorbents like powdered activated carbon (PAC), thereby constraining performance in anionic pollutant removal. Herein, we report a supramolecular strategy that employs β-cyclodextrin (β-CD) to suppress CTAB aggregation, enabling monomeric diffusion and enhanced CTAB loading within PAC micropores. The resulting β-CD/CTAB–PAC composite achieves a high perchlorate (ClO 4 − ) adsorption capacity of 211 mg g −1 , significantly surpassing the conventional CTAB-modified PAC (87 mg g −1 ), along with remarkable selectivity (distribution coefficient > 10× higher than competing anions), stability (<8% leaching in 10-day immersion), and regenerability (>91% capacity retention over 6 cycles). Fixed-bed column tests validated its practical efficacy, treating >5400 bed volumes of contaminated water (500 μg L −1 ) to below the drinking standard of 70 μg L −1 . Furthermore, density functional theory calculations attribute the high selectivity to the low hydration energy of ClO 4 − . Its sparse hydration shell results in a lower energy penalty for desolvation, enabling a more direct and stronger electrostatic interaction with the quaternary ammonium sites compared to the heavily hydrated competing anions. Overall, this aggregation-suppression approach provides a generalizable route for optimizing LC-QAC-based functionalization of porous materials.
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APPLIED SURFACE SCIENCE
·
2026
·
IF 6.6
Qilong Zhang,Yajun Wang,Tursun Abdiryim,Ruxangul Jamal,Feng Xu,Yiming Liu,Jixuan Sun,Guangning Song,Yiwu Zhu
Advancements in wearable electronics have driven demand for flexible, self-powered UV photodetectors, yet the efficient separation and transport of carriers remain critical challenges to realizing their full potential. This study constructs a high-performance flexible self-powered UV detector based on an electrochemically doped Bi-ZnO nanoflowers/PEDOT-CH 2 OH p-n heterojunction, further modified with a Co(IO 3 ) 2 layer. Bi 3+ doping introduces oxygen vacancies to enhance carrier separation, synergizing with the built-in electric field within the heterojunction. The spontaneous polarization of Co(IO 3 ) 2 enhances this electric field, optimizing band alignment and suppressing recombination, while hydroxyl groups in PEDOT-CH 2 OH stabilize the oxygen vacancies. The piezoelectric response of ZnO is not prominent in this device, as its modulating effect is overshadowed by the dominant charge separation mechanism based on doping and interfacial polarization. Through synergistic bandgap engineering, defect control, and interface modification, the optimized device achieves a responsivity of 2.05 mA/W, a specific detection rate of 3.25 × 10 10 Jones, and an ultrafast response time of 54 ms under 365 nm UV illumination. The detector exhibits exceptional flexibility, stability, and selectivity, maintaining high performance through 2500 bending cycles, indicating significant potential for application in flexible, wearable UV sensing.
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DYES AND PIGMENTS
·
2026
·
IF 3.9
Shen Wang,Wenjie Wei,Yaran Wang,Rui Ma,Yunya Wu,Yunxian Yang,Yuxin Zuo,Zhiqi Liu,Pengfei Cheng
Agricultural films have attracted considerable attention in recent years. Herein, four types of organic-inorganic complex red light conversion agents ( W-2L , W-8L , S-8L , H-8L ) were designed, the S-8L conversion agent exhibits an extremely broad ultraviolet absorption range of 200-400 nm. Contact angle (142.7°) tests confirmed its excellent hydrophobic properties, enabling better compatibility with LLDPE substrates. Meanwhile, its outstanding photothermal stability of S-8L was demonstrated by a long red fluorescence lifetime: 478.14 μs, an exceptional fluorescence quantum yield: 76.77 %, a high initial decomposition temperature and an extended ultraviolet aging resistance period. Furthermore, the S-8L1 conversion film was utilized to assist in the cultivation of Chlorella cells, demonstrating its excellent UV-blocking and red-light conversion capabilities, significantly increasing both biomass and chlorophyll content. This work proposed a potential way to develop highly efficient light conversion agents by regulating the inorganic-organic functional groups.
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Journal of Materials Chemistry A
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2026
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IF 9.2
Chunlin Ke,Siyu Song,Shenghao Li,Fengliang Wang,Ruiqi Fang,Xin Zhao,Chao Wang
High-entropy alloys (HEAs) offer immense potential for catalytic transformations, yet they suffer from severe sintering and limited active site accessibility due to their typically dense architectures. Herein, we present a facile molten salt-assisted pyrolysis strategy to confine quinary CoNiCuPtPd HEA nanoparticles within a metal–organic framework (MOF)-derived support. By using UiO-66-NH2 as a precursor, the introduced amino groups are transformed into pyridinic nitrogen sites during pyrolysis, which, along with the abundant oxygen vacancies generated in the ZrO2 phase, creates a robust porous support UNH-730. Comprehensive characterization studies (XPS and H2-TPR) confirm that the pyridinic N sites strongly anchor the metal species, facilitating the formation of homogeneously dispersed HEA nanoparticles (∼15 nm) and preventing agglomeration. In situ DRIFTS and catalytic evaluation reveal a synergistic mechanism: basic N sites and oxygen vacancies significantly enhance CO2 adsorption/activation, while the HEA sites promote H2 dissociation. Crucially, we demonstrate that light irradiation functions purely as a thermal source rather than triggering photogenerated electron–hole pairs. Consequently, the optimal CoNiCuPtPd@UNH-730 catalyst delivers a remarkable CH4 yield of 228.36 mmol g−1 h−1 with 77.8% selectivity at 550 °C under photothermal conditions substantially outperforming the ligand-free counterpart. This work establishes a novel paradigm for stabilizing multi-metal HEAs on functionalized porous carbon/oxide composites for energy conversion applications.
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JOURNAL OF ALLOYS AND COMPOUNDS
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2026
·
IF 6.7
Chuang Wu,Manlin Jiang,Jiacheng Wu,Jiuxin Zhang
To overcome the difficulty of forming stable and continuous conductive pathways of MXene in conventional electrospinning systems, we develop a high-performance flexible pressure sensor featuring a synergistic embedded–coated dual conductive architecture. A TPU/PCL nanofiber membrane uniformly incorporating MXene is fabricated via one-step electrospinning, followed by PEDOT:PSS dip-coating to construct an external conductive layer. Subsequent Ecoflex 00–30 encapsulation ensures mechanical integrity and maintains continuous multilevel electron-transport networks. Structural characterizations confirm the homogeneous incorporation of MXene within the nanofibers and the continuous surface coverage of PEDOT:PSS. The optimized sensor exhibits a maximum sensitivity of 7.05 kPa⁻¹ in the low-pressure region, together with a broad sensing range up to 100 kPa, enabling reliable detection across both subtle and high-pressure regimes. It further demonstrates fast dynamic response (0.11 s/0.31 s for response/recovery), a low detection limit of 50 Pa, and excellent durability over 2000 loading cycles. Demonstration tests confirm its ability to detect subtle physiological motions at different body locations, such as wrist movements and throat motions during swallowing, as well as various joint motions. Overall, this synergistic dual conductive strategy offers a promising platform for wearable health monitoring, electronic skins, and human–machine interaction.
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Journal of Environmental Chemical Engineering
·
2026
·Vol. 14
·期 2
·122081
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IF 7.5
Yongming Zhong,Yangting Liao,Rongni Dou,Xiaolong Yu,Jin Tang,Hang Liu,Dan Liu,Yuming Fang,Yilun Luo,Jianteng Sun
The synthesis of novel film-like photocatalysts is an effective strategy for reducing Cr(VI). Herein, a Z-scheme ZnIn 2 S 4 –CdS heterojunction photocatalyst was fabricated on a self-assembled graphene-based substrate via hydrothermal and solvothermal methods. By controlling the ethanol:water ratio during solvothermal synthesis, differently sized CdS nanoparticles were grown on the ZnIn 2 S 4 nanosheets surface for regulating the photocatalytic activity of ZnIn 2 S 4 –CdS heterojunction. The three-dimensional layered structure of the graphene film provided abundant active sites for material loading and its excellent conductivity rapidly transferred photogenerated electrons. Compared to the ZnIn 2 S 4 –CdS heterojunction samples with other controlled structure, graphene-based film-like photocatalyst bring advantage in enrich photocatalysts for bursting out better activity. Under visible light irradiation, the synthesized RZC-40 sample exhibited a photocatalytic efficiency of 91.02% in photoreducing 20 mg L −1 Cr(VI) within 50 min, highlighting the feasibility and promising practical application prospects of synergistic film-like photocatalysts and laying a theoretical foundation for the further development of photocatalysts with improved activity.
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SENSORS AND ACTUATORS B-CHEMICAL
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2026
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IF 8.3
Yinhua Hu,Xuanyu Ren,Xuyang An,XinXin He,Ping Guo,Tiezhu Liu,Jia Zhang
Early fault detection of lithium-ion batteries (LIB) is crucial for the safe operation of electrical measurement systems. Detecting the dimethyl carbonate (DMC) vapor in the LIB electrolyte can effectively improve the early warning time. However, the response speed of the existing semiconductor resistive gas sensors is significantly slower compared with the commonly used temperature and pressure sensors. To address the issue within gas sensors, a DMC gas sensor with an extremely fast response speed was developed based on mixed-phase bismuth oxide, which can effectively respond to 20 ppm DMC within 6 s. Moreover, the sensor successfully triggered the alarm approximately 15 min before the start of thermal runaway and within 22 s after the mechanical rupture of the battery in the simulated abuse test, demonstrating the application potential of gas sensor in the early fault warning of LIB.
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Journal of Energy Storage
·
2026
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IF 10.7
Haimin Ou,Yuansheng Li,Jianghang Song,Chunhua Zhao,Chongjun Zhao
The composites of two or more metal oxides/sulfides have been prepared and widely used in energy storage including battery and supercapacitor. However, the composite of two activated carbon component is seldom involved. Moreover, those solid carbon sources block their contact with another carbon source and suppress the construction of rich interfaces between two components in carbon composite. In this work, an epoxy resin (EP)/phytic acid (PA) homogeneous gel is prepared by combining the solvation/de-solvation process at 80 °C and the gelation process at different temperatures (120 °C, 150 °C and 180 °C) so as to supply the rich interfaces between epoxy resin/phytic acid. Subsequently, hydrogen bond crosslinks of hydroxyl groups on the surface of the epoxy resin chains with the phosphate groups of liquid phytic acid as well as ester crosslinks are constructed. Lastly, uniform carbon composites with rich interfaces between the two components from EP and PA are acquired. The optimized activated carbon composite, i.e., AEPC-150 which is gelled at 150 °C possesses micropore-dominant porous structure and thus a high specific surface area of 1642 m 2 g −1 . In addition, AEPC-150-based electrode exhibits a superior capacitance of 435.2 F g −1 at 1 A g −1 , in which a high pseudocapacitance domain of 37.2% at 5 mV s −1 (vs. 15.6% for AEPC-120, 11.4% for AEPC-180). The symmetric supercapacitor (SSC) of AEPC-150//AEPC-150 delivers an outstanding energy density of 35.58 Wh kg −1 at a power density of 150 W kg −1 , and 20.83 Wh kg −1 even at 3750 W kg −1 .
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RSC Advances
·
2026
·Vol. 16
·期 15
·13032-13039
·
IF 6.1
Jie Chen,Mengjie Hu,Tianyuan Liu,Meizhen Huang,Lili Kong,Xinna Yu,Qifang Sun
This paper demonstrates a large-scale, flexible SERS substrate (Ag@R-SERS substrate) based on silver-decorated nano-cone arrays. The substrate was fabricated via a two-step process: pre-designed nano-cone arrays were replicated over a large area with high structural uniformity using roll-to-roll ultraviolet nanoimprint lithography (R2R UV-NIL); subsequently, silver nanoparticles (Ag NPs) were self-assembled onto the nano-cone arrays. The performances of the Ag@R-SERS substrate were evaluated using rhodamine 6G (R6G) as a probe molecule with a portable Raman spectrometer. The enhancement factor (EF) and limit of detection (LOD) of R6G detected on Ag@R-SERS substrate were determined to be 5.9 × 107 and 2.65 × 10−8 M. The relative standard deviations (RSDs) of R6G Raman intensities at 1513 cm−1 were 5.6% within a single substrate and 6.7% among different substrates. No obvious changes were observed in the line curve of R6G detected by the SERS substrate stored for 20 days. These results demonstrated satisfactory sensitivity, uniformity, reproducibility and stability. Numerical simulations were established to illustrate the electromagnetic enhancement effects of the Ag@R-SERS substrates, which were jointly attributed to the strong coupling effects of densely distributed AgNPs and Ag clusters at the tips of nano-cones. Furthermore, the potential application of the Ag@R-SERS substrate in pesticide detection was explored. Linear relationships between the SERS intensity at 1386 cm−1 and thiram concentration were established with R2 of 0.9986, 0.9940, 0.9974 and the LOD of thiram was determined to be 0.46, 0.49 and 0.55 ppm in ethanol, apple juice and tomato juice, respectively. These results confirm the feasibility of the two-step fabrication method for large-scale, flexible Ag@R-SERS substrates and their applicability for rapid and sensitive pesticide residue detection.
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PubMed
高影响因子
RENEWABLE ENERGY
·
2026
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IF 9.1
Shengqu Zhang,Enli Liu,Jiaxing Liu,Xintao Feng,Yaping Jian,Yinhua Jiang,Yuanzhi Hong
The advanced photocatalytic technology with conversion of renewable solar energy to the clean hydrogen (H 2 ) and hydrogen peroxide (H 2 O 2 ) chemicals can effectively realize the national goals of “carbon emission peak & carbon neutrality”. To this end, the indium sulfide (In 2 S 3 )/zinc indium sulfide (Zn 3 In 2 S 6 ) heterojunctions with double sulfur vacancies (Vs) were successfully prepared by a feasible in-situ hydrothermal approach. The as-formed heterojunctions (denoted as Vs-ISZIS6) showed the high-performance bifunctional activities towards the both photocatalytic H 2 evolution and H 2 O 2 generation. Especially, the 10Vs-ISZIS6 sample presented the highest photocatalytic H 2 production rate (7051 μmol/h/g), which is 32.1, 2.0, 14.4, and 1.4-folds greater than that of In 2 S 3 , Zn 3 In 2 S 6 , VS-In 2 S 3 , and Vs-Zn 3 In 2 S 6 , respectively. In addition, the 20Vs-ISZIS6 heterojunction possessed the optimum concentration of H 2 O 2 production with reaching 256.4 μM under 2 h of visible-light irradiation. The boosted photocatalytic performances might be caused by the synergistic effect of the presence of Vs and the construction of heterostructure between Vs-In 2 S 3 and Vs-Zn 3 In 2 S 6 , leading to the increasing visible-light absorption and promoting the photogenerated carriers separation efficiency. As a result, the possible mechanism of improved photocatalytic performances of the Vs-ISZIS6 heterojunctions was proposed. This work offers an available avenue for developing of nanostructured heterojunctions for sustainable solar-to-chemical fuel conversion.
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