LANGMUIR
·
2026
·Vol. 42
·期 31
·23157-23168
·
IF 4.4
Wang Qi,Liu Siyu,Wang Zhikun,Chen Zixiao,Xiao Peiwen,Shao Xianzhen,Li Miantuo,Su Huiling,Fu Yu,Hu Songqing
Designing intelligent anticorrosion systems that couple
robust
protection with real-time corrosion visualization remains a formidable
challenge in industrial safety and infrastructure longevity. Here,
a one-step hydrothermal condensation of 2-aminothiazole and citric
acid yields a multifunctional carbon dot (CD) whose surface is densely
terminated with N-, O-, and S-bearing functionalities. These heteroatom-rich
groups furnish abundant coordination anchors for metal substrates.
Electrochemical assays and gravimetric measurements reveal that the
CD delivers a corrosion inhibition efficiency of 95.18% for N80 steel
in 1 M HCl at a dosage of 200 mg/L. Adsorption conforms to the Langmuir
isotherm with a Gibbs free energy of −31.66 kJ/mol, indicating
a spontaneous mixed physical-chemical adsorption mechanism dominated
by chemisorptive interactions from Fe–N, C–S, and S═O
linkages. Surface analyses confirm a compact, adherent protective
film that strongly retards both anodic dissolution and cathodic hydrogen
evolution. Capitalizing on the intrinsic blue fluorescence of the
CD, the system additionally accomplishes in situ reporting of corrosion
progression: fluorescence quenching occurs synchronously with Fe 3+ /Fe 2+ release as the film degrades. This work
establishes a single-component “protect-and-report”
platform, offering an effective and conceptually innovative strategy
for next-generation corrosion management.
✓ 已验证
DOI
PubMed
高影响因子
Journal of Environmental Chemical Engineering
·
2026
·Vol. 14
·期 5
·124471
·
IF 7.5
Sijun Chen,Yang Liu,Jingrong Liu,Tingwei Zhang,Yongcan Jin,Huining Xiao
Sulfonated carbon materials are promising heterogeneous Brønsted acid catalysts for biomass valorization, but the facile construction of carbon frameworks with accessible acid sites remains challenging. Herein, a sulfonated fructose-based porous nanosheet carbon (SPC) was synthesized via a facile and energy-efficient two-step strategy involving P 2 O 5 -assisted rapid self-propagating carbonization and concentrated sulfuric acid sulfonation, and subsequently employed for fructose dehydration to HMF in a low-boiling 1,4-dioxane/H 2 O solvent system. During carbonization, P 2 O 5 simultaneously promoted fructose carbonization and directed the formation of a porous nanosheet architecture, avoiding conventional high-temperature activation processes. The resulting porous nanosheets provided abundant sites for -SO 3 H grafting and enhanced Brønsted acid site accessibility. Consequently, SPC exhibited efficient catalytic performance for the selective dehydration of fructose, affording an HMF yield of 70.1% at 140 ℃ for 30 min. Moreover, SPC efficiently converted concentrated fructose (1.0 g fructose) to HMF with a 59.4% yield and exhibited moderate recyclability. This work provides a facile strategy for constructing biomass-derived sulfonated carbon solid acids with effectively utilized Brønsted acid sites for biomass upgrading.
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF CATALYSIS
·
2026
·
IF 6
Denghui Cheng,Yang Gao,Huan Yang,Fuqing Gong,Guohao Yin,Yuyang Luo,Yongqiang Tian,Shuheng Chen,Jingbo Du,Jia Yang,Zhen Huang,De Chen
Ammonia decomposition is an appealing method for on-site hydrogen production, enabling ease of transportation and storage of H 2 . However, the high-temperature and hydrogen-rich environment present a challenge in developing highly efficient and stable catalysts. Hence, this study outlines an exsolution strategy for synthesizing a Ni-based catalyst in intimate contact with CeO 2 . The Ce 10 /NiAl 2 O 4 catalyst exhibits competitive catalytic performance for ammonia decomposition reaction, and achieves a hydrogen production rate of 78.3 mmol g cat −1 min −1 at 550 °C. Importantly, the robust structure of the Ce 10 /NiAl 2 O 4 catalyst ensures that no significant deactivation is observed during the 200-h stability test. HRTEM, XRD, TPD and kinetic studies reveals that the presence of CeO 2 enhances the dispersion of exsolved Ni nanoparticles, modulates the surface basicity of catalyst, reduce the reaction activation energy, promote the desorption of nitrogen/hydrogen species, and subsequently promotes NH 3 adsorption/activation capacity·NH 3 -TPD-MS in combination with in-situ DRIFTS demonstrate that CeO 2 could accelerate the recombination and desorption of N* adatoms, which is the rate limiting step, thereby significantly boosting catalytic performance. Furthermore, the DFT calculations reveal that the interaction between CeO 2 and Ni species facilitates electron transfer toward Ni, lowering the barrier for both N–H dissociation and N* recombination and desorption. This work not only presents an efficient and stable noble-metal-free catalyst for ammonia decomposition to generate hydrogen, but also provide a general strategy to engineer high-performance catalysts applicable to harsh catalytic environments.
✓ 已验证
产品关联
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Junyan Wei,Wenqian Cao,Hao Chen,Xiaosheng Tang,Zongli Huo,Feng Zhu,Zunyao Wang,Ruijuan Qu
The photoreactions on suspended particulate matter (SPM) surface were a non-negligible environmental transformation process for hydrophobic organic pollutants in river water environments. Herein, SPM samples from four representative basins in China—the Yangtze River, Yellow River, Pearl River, and Haihe River—were chosen and focused on the effects of differences in the SPM composition on the phototransformation behavior of 2,4′-dichlorodiphenyl trichloroethane (o,p′-DDT). The experimental results demonstrated a lower light-screening effect, lower organic carbon content, and higher proportions of carbonate minerals and quartz components conducive to the photodegradation of o,p′-DDT on the SPM surface. The compositional characteristics of endogenous dissolved organic matter (DOM) also influenced the generation of reactive oxygen species (ROS) by SPM. Mass spectrometry analysis revealed that although the SPM from different basins did not alter the types of o,p′-DDT products, it influenced their yields. The estrogenic effects of the products were preliminarily assessed through molecular docking with the human estrogen receptor, and the phototransformation process on the surface of Haihe River SPM might have a more substantial estrogenic effect. These findings deepened the understanding of the regional differences in pollutant fate and might provide reference information for the management and regulation of pollutants in different regions.
✓ 已验证
产品关联
DOI
高影响因子
Nature Communications
·
2025
·Vol. 16
·期 1
·1-9
·
IF 15.7
Lu Zong-Bin,Peng Shun-Ran,Wang Zhe,Xiong Yu,Xia Lei,Chen Guang,Nie Xuan,Hong Chun-Yan,Zhang Ze,You Ye-Zi
Developing high-performance CO 2 -based polymers is promising to address the challenges of CO 2 sequestration and the environmental impact of petroleum-based plastics. The δ-lactone 3-ethylidene-6-vinyltetrahydro-2H-pyran-2-one and its derivatives, synthesized from CO 2 with 1,3-butadiene, have emerged as very promising CO 2 -derived monomers. However, their general ring-opening polymerizations face challenges with thermodynamics and kinetics, generally resulting in long reaction times, low conversions, and low-molecular-weight polyesters with poor mechanical properties. Herein, we report a dual isomerization-driven cationic ring-opening polymerization (DI-CROP) of a CO 2 -derived thionolactone, 3-ethyl-6-vinyltetrahydro-2H-pyran-2-thione, in which the relayed S/O and vinyl isomerizations significantly enhance polymerization activity, enabling the rapid synthesis of high-molecular-weight CO 2 -based polythioesters, achieving near-quantitative conversion within just a few minutes. Also, the relayed S/O and vinyl isomerizations in DI-CROP can easily migrate C=C substituents on the ring of thionolactone into its backbone. These features further enable the production of sustainable CO 2 -based materials through efficient copolymerization and post-polymerization functionalization. This study enriches the realm of isomerization-driven polymerizations, and provides a new synthetic approach to CO 2 -derived polymeric materials.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
SENSORS AND ACTUATORS B-CHEMICAL
·
2026
·
IF 8.3
Sihui Wang,Feng Liu,Meng Sun,Hongchun Gu,Lei Yang,Xun Feng,Yang Chen
Hydrogen peroxide (H₂O₂) in skin tissue serves as a critical biomarker for oxidative stress and physiological status, yet its precise in situ monitoring remains challenging due to the lack of non-invasive, real-time sensing platforms. Herein, we presented a smartphone-assisted biosensing system based on a nanozyme-integrated hydrogel microneedle patch for on-site and quantitative detection of cutaneous H₂O₂. The sensing platform incorporated a palladium-embedded metal-organic framework (Pd-PCN) with enhanced peroxidase-like activity, which was co-immobilized with a chromogenic substrate in a polymeric composite hydrogel microneedle array. This composite matrix maintained structural integrity and biocompatibility during short-term skin application while providing an aqueous microenvironment favorable for nanozyme-catalyzed reactions. Upon insertion into the skin, H₂O₂ from interstitial fluid would diffuse into the microneedle and trigger a colorimetric reaction. The resulting color intensity could be quantitatively captured via smartphone-based RGB analysis. The system demonstrated a wide linear detection range (5~100 µM), a low detection limit (1.53 µM), high reproducibility (RSD < 5%), and negligible interference from common biological substances. Confocal imaging and mechanical testing further confirm the structural stability and skin-penetration capability of the microneedle under operational conditions. This work established a reliable, minimally invasive, and user-friendly platform for continuous monitoring of oxidative biomarkers in skin, paving the way for personalized dermatological care and point-of-care diagnostics.
✓ 已验证
产品关联
DOI
高影响因子
Journal of Materials Chemistry A
·
2026
·
IF 9.5
Qing Cheng,Yuqi Zhang,Yingying Cao,Long Liu,Yanqiang Zhang
The novel ionic liquid-H2O2 propellants are urgently to solve the intrinsic ignition problem for achieving the aerospace applications. We addressed this issue by tuning the d-band center to adjust the catalyst's adsorption strength for IL/H2O2 toward the optimal value, thus enhancing catalytic activities for the efficient decomposition of H2O2 to generate reactive oxygen species. Herein, the regulation of the d-band center of Cu(I) in Cu(I)-MOF catalyst by precise ligand engineering design was studied. Remarkably, The Cu-S3 coordination of Cu-SH' shifts its d-band center closer to the Fermi level, promoting the adsorption of [BMIM]N(CN)2 and H2O2. Cu-SH' enables efficient H2O2 activation and robust •OH and 1 O2 generation to trigger the rapid self-ignition of [BMIM]N(CN)2-H2O2 propellant. The resulted tid as low as 18.4 ms is nearly 34% lower than that of homogeneous catalyst [FcCH2N(CH3)3]2[Cu2I4]. This work provides fundamental insights into the design of efficient ligand-based combustion catalysts for the higher performance of rockets and spacecrafts.
✓ 已验证
产品关联
DOI
高影响因子
NEW JOURNAL OF CHEMISTRY
·
2017
·Vol. 41
·期 22
·13319-13326
·
IF 3.269
Xiuling Xu,Fan Hu,Qi Shuai
Two novel Ba(II) complexes [Ba(TCPA)2(H2O)4] 1 and [Ba(H2O)8]·2(o-FcCOC6H4COO)·6H2O 2 [HTCPA = 2,4,6-trichlorophenoxyacetic acid and o-HOOCC6H4-COFc = o-ferrocenylcarbonyl benzoic acid] have been synthesized by a facile microwave method. The solid-state structures were well established by means of X-ray crystallography as well as routine analysis of the infrared spectrum (FTIR), elemental analysis, field emission scanning electron microscopy (FESEM) and thermogravimetric analysis (TG). Different polyhedra of tricapped triangular prisms for 1 and dodecahedra for 2 were present. It is worth noting that the central Ba(II) ion in 1 is nine-coordinated by two carboxylate oxygen atoms from TCPA ligands and seven oxygen atoms from coordinated water molecules. By contrast, the eight-coordinated Ba(II) in 2 forms barium-water clusters assembled by O–H⋯O hydrogen-bonds contributed by coordinated water molecules. The uncoordinated o-OOCC6H4-COFc ligands in 2 play a key role in the process of charge balance. FESEM images exhibited different surface appearances between the ligand and barium complexes, that is: flower-like HTCPA, branch-like o-HOOCC6H4-COFc, block-like complex 1 and corner-truncated cubes for complex 2. The allelopathic activity of the complexes and their corresponding ligands was evaluated against two herbaceous plants of barnyard grass and turnip (Raphanus sativus). All the tested compounds showed certain activity with good RI values. An antifungal bioassay was also carried out in vitro on three strains of Botrytis cinerea Pers., Glomerella cingulata Schr and Cytospora sp. Complex 1 and HTCPA can work against all three tested fungi, whereas o-HOOCC6H4-COFc and 2 only worked for Botrytis cinerea Pers. The complex presented in this paper has potential applications in weed control, and this work provides an experimental basis for future studies on Ba-based pesticides.
研究领域:
无机化学
·
金属配合物化学
·
农业化学
·
晶体工程
·
植物生理学
·
农药学
·
生物活性评估
✓ 已验证
DOI
高影响因子
ELECTROCHIMICA ACTA
·
2026
·
IF 5.6
Yuanyuan Liao,Jieran Xie,Lei Sun,Zongyi Huang,Jing Li,Feng Liu,Yongxiu Li
Oxygen evolution reaction (OER) is a critical challenge in electrochemical water splitting, necessitating the development of efficient catalysts. In this study, a room-temperature gas–liquid diffusion strategy is presented to synthesize rare earth-doped NiCo₂O₄ nanosheets on carbon paper (RE-NiCo₂O₄/CP, RE = La, Ce, Pr, Gd) as alkaline OER electrocatalysts. Among them, Ce-NiCo₂O₄/CP demonstrates catalytic activity, requiring an overpotential of only 265 mV to achieve a current density of 20 mA cm⁻² in 1 M KOH, which is lower than that of undoped NiCo₂O₄/CP (348 mV). Comprehensive characterization reveals that RE doping modulates the electronic structure of NiCo₂O₄, increasing the Co 3+ /Co 2+ ratio and optimizing intermediate adsorption. Notably, Ce doping facilitates the formation of highly active Ni(Co)OOH species during OER, further enhancing catalytic performance. Combination experiments and in-situ analysis confirmed that the increase in activity was due to the incorporation of rare earths, which enhanced the charge transfer of reaction intermediates and promoted the formation of highly active phases. This work not only presents a synthesis method for high-performance OER catalysts, but also elucidates the electronic modulation effect into the role of rare-earth elements in tuning electrocatalytic properties.
✓ 已验证
产品关联
DOI
高影响因子
RSC Advances
·
2026
·Vol. 16
·期 2
·1697-1713
·
IF 4.6
Abdelazeem S. Eltaweil,Nouf Al Harby,Mervette El Batouti,Eman M. Abd El-Monaem
In this investigation, a good adsorbent was created by combining kaolin, β-cyclodextrin, and sodium lauryl sulfate-functionalized biochar, resulting in a new Kaol/SLS-BC/β-CD composite. Assorted analyses were used to characterize the chemical/physical properties of the Kaol/SLS-BC/β-CD. The adsorption capability of the Kaol/SLS-BC/β-CD was evaluated, using an experimental adsorption batch study of o-nitrophenol (o-NP). The experimental batch experiments showed that o-NP removal of 100% was achieved at room temperature after 180 minutes with pH = 3, Kaol/SLS-BC/β-CD dose = 10 mg, and o-NP concentration = 50 mg L−1. Kinetic and isotherm analyses of the experimental data implied that the Freundlich isotherm model and the pseudo-second-order kinetic model were obeyed for the o-NP adsorption reaction. Surprisingly, the maximal adsorption capacity of Kaol/SLS-BC/β-CD towards o-NP, calculated from Langmuir analysis, was 588.24 mg g−1. The optimization of o-NP adsorption onto Kaol/SLS-BC/β-CD was investigated using response surface methodology (RSM) based on a Box–Behnken design (BBD) with three independent variables: initial o-NP concentration, adsorbent dosage, and contact time. The quadratic response surface model was validated through analysis of variance (ANOVA). The reduced quadratic model demonstrated good agreement between the predicted and experimental results. Thus, the validated model can be reliably applied to predict the optimal conditions for o-NP adsorption onto Kaol/SLS-BC/β-CD. The mechanistic study of the o-NP adsorption onto Kaol/SLS-BC/β-CD clarified that the process may occur via Lewis acid–base, pore-filling, coordination bond, hydrogen bond, and pi–pi interactions. Notably, the cycling test indicated that the Kaol/SLS-BC/β-CD could be reused for six adsorption cycles of o-NP with promising efficacy.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
·
2026
·
IF 9.1
Tian Yuan,Shiyu Lv,Xueyan Zhang,Weilin Fu,Pu Yang,Kerong Fu,Qiuxian Zhang,Xia Yao,Yanli Luo,Feng Wang
Phosphate ore reserves are insufficient for sustained human use, and the resource recovery of condensed phosphates in water bodies remains challenging. Herein, nanomagnesia (AA-MgO) with coexisting magnesium and oxygen vacancies was synthesized via the sacrificial template method using metal–organic frameworks. AA-MgO achieved efficient condensed-phosphate catalysis and simultaneous orthophosphate recovery in an electrocatalytic coupling adsorption system. Its unique dual-vacancy structure considerably enhanced its electrocatalytic performance. Under optimal conditions, AA-MgO showed adenosine triphosphate (ATP) and pyrophosphate (P ∼ P) removal rates of 98.75% and 98.20%, respectively, exhibiting 2.06–13.23 times better pseudo-first-order kinetics than commercially available MgO. After being regenerated thrice, AA-MgO maintained a > 70% removal rate, demonstrating excellent structural stability. Quenching and radical-trapping experiments confirmed that the catalytic process involved radical and nonradical pathways, with ·OH playing a dominant role in catalyzing ATP, while the nonradical pathway involving 1 O₂ contributed more significantly to P ∼ P degradation. Density functional theory calculations showed that the ATP adsorption energy was higher on the V Mg + V o surface than on the V o surface. Moreover, the energy barrier of the rate-determining step in P ∼ P degradation was lower on the former, indicating that this surface favored condensed-phosphate degradation. Finally, differential charge and electrochemical characterization revealed that AA-MgO exhibited superior electron transfer rates than MgO.
✓ 已验证
产品关联
DOI
高影响因子
ACS Catalysis
·
2026
·
IF 13.6
Jiankang Zhang,Yongsheng Wei,Hongxia Zhang,Zhiwei Zhu,Jinghui Yang,Liancheng Bing,Changqing Chu,Xiaofeng Gao,Dan Feng,Qiming Sun,Yong Qin
Bimetal cluster catalysts present boosted catalytic performance in numerous reactions due to their coordinatively unsaturated metal sites and synergy. Nevertheless, constructing ultrafine and stable bimetal cluster catalysts that can be well applied under harsh high-temperature reaction conditions is still a tough challenge. Herein, we propose a spatial and chemical dual-confinement strategy to design hierarchical ZSM-5 zeolite-confined PtZn bimetal catalysts with ultrafine clusters (ca. 1.2 nm) and high stability against sintering, which can be controllably synthesized via a microwave-assisted one-pot hydrothermal approach. The optimized PtZn@ZSM-5 cluster catalyst exhibits remarkably boosted propane dehydrogenation (PDH) performance, with a propane conversion of ca. 60% and a propylene selectivity of >96% (WHSV = 3 h–1, 600 °C). Both experimental and theoretical studies demonstrate that Pt species are well anchored by the hierarchical pores and framework zinc, constructing highly dispersed active Pt–(O–Zn)x species responsible for the boosted catalytic performance. This work affords a facile and general dual-confinement strategy to synthesize ultrafine bimetal cluster catalysts for PDH, which can be well extended to other catalyst systems, such as RhZn@ZSM-5 and IrZn@ZSM-5.
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）