CHEMICAL ENGINEERING JOURNAL
·
2024
·
IF 13.3
Chenglong Qin,Tingting Ren,Chengxiang Gui,Peng Liu,Qingjiao Wei,Wenjing Liu,Zuwei Zhou,Yaning Huang,Kun Fan,Lu Huang
Solar-driven photocatalytic hydrogen production is considered to be a reliable, simple and effective technology for producing green hydrogen. However, a large amount of solar energy absorbed by the photocatalyst material is not utilized but directly dissipated into the atmosphere in the form of waste heat. Meanwhile, the dependence of photocatalytic hydrogen production system on the water supply chain also limits its promotion in water-scarce and arid areas. Herein, a solar-driven hydrogen and water co-generation (SHWC) device based on atmospheric water harvesting (AWH) technology is proposed. The integrated device consists of a water self-supply layer (WSL) and a photocatalytic layer (PL) for simultaneous hydrogen production and freshwater harvesting from the atmosphere. Under one sun illumination (1000 W m −2 ), the AWH-SHWC device obtains an average hydrogen production rate of 25.98 mmol m -2 h −1 with 81.78 g m -2 h −1 of condensate water. In the natural sunlight, 118.21 mmol m −2 day −1 of hydrogen production and 230 g m −2 day −1 of condensate water are obtained. At night, the WSL can achieve regeneration by adsorbing atmosphere water. This integrated device may offer a creative approach to addressing freshwater resource scarcity and the fossil energy crisis.
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2025
·
IF 9.7
Huan Liu,Shijian Huang,Zhenping Liu,Lang Chen,Jiamei Chen,Xinyi Li,Mengjun Liu,Haoqiang Feng,Weilong Xu,Ruizhi Yang,Minmin Zhang,Lingling Shui
Physically confined assembly of binary colloidal mixtures in emulsion droplets provides a versatile platform for engineering supraparticles with tunable morphologies and functionalities. While single-component and hard-sphere colloidal assemblies have been extensively studied, the co-assembly of binary soft colloids presents unresolved challenges in architecture control and functional integration. In this work, we investigate the co -assembly performance of emulsion droplet confined binary soft colloids of spherical polystyrene nanoparticles (PS) and wire-like carbon nanotubes (CNTs). The supraparticles of CNT/PS with various architectures have been obtained by varying the solvent removal dynamics and the binary colloidal composition. We find out that the binary colloidal size and mass ratio govern the CNT/PS supraparticle structural diversity, ranging from core-shell, core-semishell, garnet-like to densely packed architectures. Spontaneous emulsification and microphase segregation drive the transformation from core-shell to core-semishell architectures, revealing the critical role of fluid dynamics and confinement effects. This understanding of mechanism enables the rational design of hybrid magnetic supraparticles, demonstrating the broad applicability of such an approach. By establishing clear composition-structure correlations, this work advances the controlled co-assembly of binary colloids into hierarchical supraparticles, offering a pathway for constructing functional materials with tailored complexity.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2025
·
IF 9.7
Fengcai Lei,Ying Wang,Yuhan Hou,Ruixue Huai,Menghan Zhang,Junfeng Xie,Pin Hao,Yuzhi Song,Jing Yu
The development of efficient catalysts for nitrate reduction to ammonia is crucial for sustainable nitrogen cycle management. In this study, we introduce an amorphous multimetal borides (CoFeNiB) catalyst that demonstrates exceptional performance in the electrochemical reduction of nitrate to ammonia. X-ray photoelectron spectroscopy (XPS) and in-situ Raman spectroscopy reveal that the catalyst exhibits a unique surface reconstruction during the reaction, leading to the formation of CoOOH, where Co 3+ ions can serve as active sites, significantly enhancing the adsorption of nitrate ions and atomic hydrogen, thereby promoting the reduction reaction. Specially, besides the activity enhancement of CoFeNiB compared with CoFeB and CoB, the stability of it can be markedly improved by the synergistic effect of Ni and Fe in the catalyst. Consequently, the CoFeNiB catalyst achieves a stable Faradaic efficiency above 90 % across a broad voltage range of 0 ~ −0.6 V vs reversible hydrogen electrode (RHE) and an ammonia yield peaked of 3961.4 mmol g cat −1 h −1 at −0.6 V vs RHE. The CoFeNiB catalyst offers a promising avenue for the efficient and stable synthesis of ammonia from nitrate, addressing key challenges in environmental sustainability and nitrogen management.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2025
·
IF 19
Dong Xiang,Xu Wang,Feilong Wang,Hao Tang,Yulin Hou,Hong Lin,Yongxiang Xu
Human tissues integrate the advantages of both hydrogels and sponges, yet existing biomaterials fail to achieve tissue-like hydration, mechanical adaptability, and bioactivity simultaneously. Here, a class of bioinspired nanofibrous spongyhydrogels is introduced, which bridge hydrogels and sponges by leveraging the Hofmeister effect and thermally co-induced assembly process. Unlike conventional hydrogels that swell or sponges that lack viscoelasticity, these spongyhydrogels feature a nanofibrous network with intermediate structural scale and hydration state, enabling non-swelling, highly compressible, and viscoelastic properties. The biomimetic nanofibrous structure promotes cell adhesion, proliferation, and in vivo wound healing. Moreover, the system allows for the incorporation of functional metal cations, opening avenues for diverse biomedical applications. This work establishes a robust platform for designing bioinspired nanofibrous materials with tunable hydration and multifunctional capabilities.
✓ 已验证
产品关联
DOI
高影响因子
ADVANCED MATERIALS
·
2024
·
IF 27.4
Hu Hong,Yu Wang,Yaqin Zhang,Bing Han,Qing Li,Xun Guo,Ying Guo,Ao Chen,Zhiquan Wei,Zhaodong Huang,Yuwei Zhao,Jun Fan,Chunyi Zhi
The development of new ionic conductors meeting the requirements of current solid-state devices is imminent but still challenging. Hydrogen-bonded ionic co-crystals (HICs) are multi-component crystals based on hydrogen bonding and Coulombic interactions. Due to the hydrogen bond network and unique features of ionic crystals, HICs have flexible skeletons. More importantly, anion vacancies on their surface can potentially help dissociate and adsorb excess anions, forming cation transport channels at grain boundaries. Here, it is demonstrated that a HIC optimized by adjusting the ratio of zinc salt and imidazole can construct grain boundary-based fast Zn 2+ transport channels. The as-obtained HIC solid electrolyte possesses an unprecedentedly high ionic conductivity at room and low temperatures (≈11.2 mS cm −1 at 25 °C and ≈2.78 mS cm −1 at −40 °C) with ultra-low activation energy (≈0.12 eV), while restraining dendrite growth and exhibiting low overpotential even at a high current density (<200 mV at 5.0 mA cm −2 ) during Zn symmetric cell cycling. This HIC also allows solid-state Zn||covalent organic framework full cells to work at low temperatures, providing superior stability. More importantly, the HIC can even support zinc-ion hybrid supercapacitors to work, achieving extraordinary rate capability and a power density comparable to aqueous solution-based supercapacitors. This work provides a path for designing facilely prepared, low-cost, and environmentally friendly ionic conductors with extremely high ionic conductivity and excellent interface compatibility.
✓ 已验证
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Binke Wang,Xinyu Qi,Ruping Yang,Xu Xu,Shiyao Li,Chunli Zhang,Haitao Yu
Liver cancer is one of the most prevalent and deadly malignancies worldwide, with limited effective therapeutic strategies. Although doxorubicin (DOX) is widely used as a frontline chemotherapeutic agent, its severe cardiotoxicity and lack of tumor selectivity significantly limited its clinical applications. Polydatin (PLD), a natural antioxidant and anticancer compound, has shown promise as an adjuvant for reducing DOX-induced cardiotoxicity, yet its poor bioavailability hinders its therapeutic potential. To improve the therapeutic efficacy of DOX while reducing systemic toxicity, we developed a hyaluronic acid (HA)-functionalized cubosome-based nanosystem co-loaded with DOX and PLD (1:3 ratio), i.e. HA 3% -D/P-CUBS + , to specifically target tumor sites with enhanced antitumor efficiency and alleviated DOX-induced cardiotoxicity. HA 3% -D/P-CUBS + significantly improved drug internalization and induced apoptosis in hepatocellular carcinoma cells (HepG-2 and HUH-7). Meanwhile, HA 3% -D/P-CUBS + protected normal hepatocytes (HL-7702 and AML-12) and reduced oxidative stress in cardiomyocytes (H9C2 cells). Notably, HA 3% -D/P-CUBS + inhibited in vivo tumor growth of 94 % without causing damage to vital organs, leading to improved survival rates. Moreover, it also mitigated DOX-induced oxidative stress by restoring the balance between oxidative and antioxidant systems. These findings highlight HA 3% -D/P-CUBS + as a promising and synergistic nanomedicine for targeted live cancer therapy, providing new insights into combination chemotherapy with enhanced safety and efficacy.
✓ 已验证
产品关联
DOI
高影响因子
Advanced Sustainable Systems
·
2025
·
IF 6.1
Haiyu Ma,Jian Li,René Hübner,Xingyu Tao,Kairui Xu,Mingjia Lu,Jiakun Du,Muwu Li,Zhikun Zheng,Wei Liu
Platinum-based electrocatalysts represent the most promising candidates for the methanol oxidation reaction (MOR) in direct methanol fuel cells. However, the wide commercialization of platinum-based electrocatalysts faces significant challenges, including high material costs, insufficient catalytic activity, limited operational durability, and susceptibility to CO poisoning. To overcome these issues, a new Au-doped Pt-Co aerogel (AG) is fabricated by the facile one-pot aqueous-solution heteroatom doping method. This catalyst demonstrates good electrocatalytic performance for MOR, combining both high activity and remarkable stability. The Au 1 -Pt 67 Co 33 AG with optimized Au doping amount exhibits outstanding mass activity, which is 1.7 times that of its undoped Pt 67 Co 33 AG counterpart and 4.6 times that of the commercial Pt/C catalyst. Furthermore, the Au 1 -Pt 67 Co 33 AG demonstrates significantly enhanced long-term stability under continuous operation. Density functional theory calculations indicate that Au doping reduces the energy barriers for methanol dehydrogenation and lowers the total energy barriers for the *CO oxidation steps, facilitating the rapid dehydrogenation of CH n OH and faster conversion of *CO, thereby significantly enhancing the electrocatalytic activity and stability of the Au 1 -Pt 67 Co 33 AG toward MOR.
✓ 已验证
产品关联
DOI
高影响因子
ACS Catalysis
·
2025
·
IF 13.1
Yi Zhang,Habib Ullah,Linfeng Li,Hsiao-Chien Chen,Xia Zhang,Qiangli Lv,Xuefei Xu,Shaowei Zhang,Chao Hu,Zhishan Li,Muhammad Humayun,Mohamed Bououdina,Hussein A. Younus,Deli Wang,Chundong Wang
The design and development of highly efficient, stable, and low-cost electrocatalysts for the oxygen evolution reaction (OER) is crucial for green hydrogen production. Metal–organic frameworks (MOFs), with the merits of structural diversity and tunable organic ligand nature, have significant potential. Herein, a Co-based MOF (CoMnFcMOF) electrocatalyst was fabricated under hydrothermal conditions using Mn as a dopant and a ferrocene-based dicarboxylate linker. The as-prepared CoMnFcMOF enables a current density of 100 mA·cm–2 with an overpotential of 238 mV under an alkaline condition. The well-addressed OER activity is attributed to the spin state modulation of Co induced by Mn incorporation, as verified experimentally and from density functional theory calculations. The total effective magnetic moment (μeff) considerably decreases from 3.992 μB/f.u. in CoFcMOF to 1.974 μB/f.u. in CoMnFcMOF, indicating a spin transition from a high spin (HS) to an intermediate spin (IS) state. This spin modulation facilitates the adsorption of the O* intermediates, thereby accelerating the reaction kinetics. This work establishes a design paradigm for high-performance transition metal-based catalysts through spin state engineering.
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
·
2025
·Vol. 36
·期 25
·1-16
·
IF 2.8
Wei Lijun,Zhang Furu,Shen Yongqian,Zhang Guibin,Zhou Xuan,Xu Yingge,Ma Jiqiang
Magnetic metal/porous carbon nanofibers (CNFs) have emerged as a focal point in the study of electromagnetic wave absorbing materials because of their combined electromagnetic losses, multiple scattering, and long attenuation paths. In this work, we prepared porous Co/CNFs using electrospinning integrated with the thermal carbonization process and controlled the porous structure and fiber microwave absorption characteristics by varying the amount of zinc acetate added to the spinning solution. High temperatures led to the volatilization of Zn, creating pores and defects. This process not only increased dipole and interface polarization but also contributed to the reduction of electromagnetic waves (EMWs). When the additive amount of zinc acetate was 0.15 g, the porous Co/carbon nanofibers achieved a smallest reflection loss (RL) of −42.7 dB and an effectively bandwidth (EBW) of 4.48 GHz at a thickness of 2.5 mm. This work provides a new approach for obtaining efficient and lightweight microwave absorbing materials.
✓ 已验证
产品关联
DOI
高影响因子
Nanoscale
·
2013
·Vol. 5
·期 7
·2745-2755
·
IF 6.233
Jinyou Lin,Feng Tian,Yanwei Shang,Fujun Wang,Bin Ding,Jianyong Yu,Zhi Guo
The pollution arising from oil spills is a matter of great concern due to its damaging impacts on the ecological environment, which has created a tremendous need to find more efficient materials for oil spill cleanup. In this work, we reported a sorbent for oil soak-up from a water surface with a high sorption capacity, good selectivity, and excellent reusability based on the hydrophobic–oleophilic fibrous mats that were fabricated via co-axial electrospinning polystyrene (PS) solution as the shell solution and polyurethane (PU) solution as the core solution. The fine structures of as-prepared fibers were regulated by manipulating the spinning voltages, core solution concentrations, and solvent compositions in shell solutions, which were also characterized by field emission scanning electron microscopy, transmission electron microscopy, nitrogen adsorption method, and synchrotron radiation small-angle X-ray scattering. The effects of inter-fiber voids and intra-fiber porosity on oil sorption capacities were well studied. A comparison of oil sorption capacity for the single fiber with different porous structures was also investigated with the help of scanning transmission X-ray microscopy. The results showed that the sorption capacities of the as-prepared sorbent with regards to motor oil and sunflower seed oil can be 64.40 and 47.48 g g−1, respectively, approximately 2–3 times that of conventional polypropylene (PP) fibers for these two same oils. Even after five sorption cycles, a comparable oil sorption capacity with PP fibers was still maintained, exhibiting an excellent reusability. We believe that the composite PS–PU fibrous mats have a great potential application in wastewater treatment, oil accident remediation and environmental protection.
✓ 已验证
DOI
高影响因子
CHINESE JOURNAL OF CHEMICAL ENGINEERING
·
2024
·
IF 3.7
Jianfang Liu,Hongwei Huang,Jie Yang,Laishuan Liu,Yu Li
A series of Au/Co x Fe 3- x O 4 catalysts was synthesized using the sol-deposition method by depositing 2–5 nm Au particles on Fe-doped Co 3 O 4 . Co 2 FeO 4 , with a Co/Fe molar ratio of 2:1, exhibited higher specific surface area , Co 3+ /Co 2+ ratio, and oxygen vacancy content compared to Co 3 O 4 . As a result, it displayed better performance in CO oxidation , achieving a total conversion temperature ( T 100 ) of 96 °C. Au greatly improved the catalytic efficiency of all Co x Fe 3- x O 4 samples, with the 0.2%Au/Co 2 FeO 4 catalyst achieving a further decrease in T 100 to 73 °C. Stability tests conducted at room temperature on the 1%Au/Co x Fe 3- x O 4 catalysts demonstrated a slowed deactivation rate after Fe-doping. The reaction pathway for CO oxidation catalyzed by Au/Co 2 FeO 4 followed the Mars-van Krevelen mechanism.
✓ 已验证
DOI
高影响因子
Nanomaterials
·
2022
·Vol. 12
·期 23
·4183
·
IF 5.719
Yu Zhang,Xiang Li,Dahai Hu,Qier Sa,Xinran Wang,Fengxiang Wang,Kaixuan Wang,Xuelian Zhou,Zhiqiang Song,Yongfu Liu,Kefu Chao
LEDs for plant lighting have attracted wide attention and phosphors with good stability and deep-red emission are urgently needed. Novel Cr3+and Dy3+co-doped Gd3Al4GaO12garnet (GAGG) phosphors were successfully prepared through a conventional solid-state reaction. Using blue LEDs, a broadband deep-red emission at 650–850 nm was obtained due to the Cr3+ 4T2→4A2transition. When the Cr3+concentration was fixed to 0.1 mol, the crystal structure did not change with an increase in the Dy3+doping concentration. The luminous intensity of the optimized GAGG:0.1Cr3+, 0.01Dy3+was 1.4 times that of the single-doped GAGG:0.1Cr3+. Due to the energy transfer from Dy3+to Cr3+, the internal quantum efficiency reached 86.7%. The energy transfer from Dy3+to Cr3+can be demonstrated through luminescence spectra and fluorescence decay. The excellent properties of the synthesized phosphor indicate promising applications in the agricultural industry.
✓ 已验证
DOI
高影响因子
危险品化学品经营许可证（带存储）