CERAMICS INTERNATIONAL
·
2026
·
IF 6
Shiqing Yu,Yong Zheng,Yuze Du,Xi Zhang,Kai Wang,Juncheng Yao,Guangyu Wang
Antireflective coatings (ARCs) with self-cleaning and antistatic functionalities were fabricated using the sol-gel method with a Ti-Zn modified SiO 2 sol. Chain-like Ti-Zn composites were incorporated into SiO 2 nanoparticles exhibiting a dual-size distribution, forming a cross-linked composite structure that enhanced coating hardness while maintaining high transmittance and imparting multifunctional properties. The effects of Ti-Zn sol content on the surface morphology, microstructure, optical performance, mechanical strength, and wettability of the coatings were systematically investigated. The resulting coatings exhibited a hardness of 3H, an adhesion rating of 5B, and a solar-weighted transmittance (T sw ) of 95.31% across the wavelength range of 380–1100 nm, significantly higher than that of bare K9 glass (91.38%). Moreover, the introduction of the Ti-Zn composite sol imparted superhydrophilic properties to the coating (water contact angle, WCA = 1.8°) and facilitated the formation of continuous conductive pathways, reducing the surface resistivity to 3.61 × 10 8 Ω/□. This effectively suppressed electrostatic charge accumulation, thereby mitigating dust deposition. Furthermore, the coating demonstrated excellent multifunctional performance. A self-cleaning efficiency of 97.10% was achieved with a negligible loss in T sw (0.03%), while the haze value remained below 2% during antifogging tests. Additionally, the dust deposition density was reduced to 40.48% of that of bare glass, confirming the enhanced anti-dust performance.
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JOURNAL OF ALLOYS AND COMPOUNDS
·
2026
·
IF 6.7
Shiqian She,Xueqing Shi,Jianfeng Song,Zixuan Huang,Tiantian Zhou,Kun Xiong
Water electrolysis is an important technology for green hydrogen production, but the sluggish kinetics of the anodic oxygen evolution reaction (OER) lead to high overall energy consumption. Using the urea oxidation reaction (UOR) instead of OER has been considered an effective route for reducing potential and treating urea-containing wastewater. Here, we introduced Sn into RuO 2 -TiO 2 /Ti through three methods: electrodeposition, hydrothermal and ion exchange, and constructed a series of NiO-(Sn)-RuO 2 -TiO 2 /Ti electrodes. The systematic characterization showed that Sn was successfully introduced in the form of rutile SnO 2 , and the elements were evenly distributed. The Sn introduction method significantly affected morphology and electrocatalytic performance of electrodes: NiO-(Sn)-RuO 2 -TiO 2 /Ti-E prepared by electrodeposition method exhibited a compact nanosheet structure, high surface roughness and abundant exposed active sites, exhibiting the best activity in HER/OER, while NiO-(Sn)-RuO 2 -TiO 2 /Ti-I prepared by ion exchange method maintained its original morphology, and NiO nanoclusters were evenly dispersed, showing the best performance in UOR. The potential of NiO-(Sn)-RuO 2 -TiO 2 /Ti-I was only 1.39 V ( vs . RHE) at a current density of 100 mA cm −2 , and it operated stably for more than 132 h. When NiO-(Sn)-RuO 2 -TiO 2 /Ti-I was assembled into a HER‖UOR two-electrode system, the cell voltage at 100 mA cm −2 was only 1.65 V, which was 0.26 V lower than that of the traditional HER‖OER. This work reveals the modulating effect of Sn introduction method on the electrocatalytic performance of multi-component oxides, and provides a scalable solution for the advancement of energy-saving hydrogen production coupled with degradation of urea.
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Journal of Water Process Engineering
·
2026
·
IF 6.6
Hongyang Wang,Chengqi Lu,Pengchang Sun,Zilin Cao,Zhongkang Han,Qianhong Shen,Zhongyuan Hu,Xudan Cao,Hui Yang
A Bi₄Ti₃O₁₂/BiOCl heterojunction with a coherent interface was constructed via a room-temperature ion-exchange process. • A Bi₄Ti₃O₁₂/BiOCl heterojunction with a coherent interface was constructed via a room-temperature ion-exchange process. • The photocatalyst exhibits excellent performance for the degradation of high-concentration, recalcitrant antibiotics. A strategy is reported for the in-situ fabrication of a Bi₄Ti₃O₁₂/BiOCl heterojunction with shared atomic layer through simple room-temperature ion-exchange on pure Bi₄Ti₃O₁₂. This strategic interfacial engineering, combined with a Type-II band alignment, the Aurivillius-type Bi₄Ti₃O₁₂ and BiOCl share the Bi₂O₂ 2+ layers at the interface, thereby dramatically accelerating the separation and migration of photo-generated carriers and ultimately significantly increasing the yield of photocatalytic reactive species. Consequently, the optimized composite photocatalyst exhibits exceptional performance in the degradation of high-concentration antibiotics. It achieves remarkable degradation efficiencies of 90.8% for sulfamethoxazole (20 ppm) within 120 min, 92% for tetracycline hydrochloride (40 ppm) and 78.6% ciprofloxacin (15 ppm) within just 30 min. Demonstrating superior photocatalytic performance compared to the previously reported analogous photocatalysts in recent years with respect to antibiotic degradation. Furthermore, the degradation efficiency of the as-prepared photocatalyst also demonstrates outstanding cycling stability, with a reduction of only 3.4% after 4 cycles. Therefore, this coherent Bi₄Ti₃O₁₂/BiOCl heterojunction photocatalyst exhibits immense potential for practical applications in environmental remediation.
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高影响因子
Catalysts
·
2026
·Vol. 16
·期 9
·806
·
IF 4.5
Yifei Wang,Ruoxin Li,Bin Jia,Jun Liu,Guojie Zhang
Low-temperature sintering flue gas contains both nitrogen oxides (NOx) and carbon monoxide (CO), requiring bifunctional catalysts for concurrent pollutant abatement. Herein, CuSmTi composite oxides with an identical nominal composition were synthesized via impregnation, mechanical grinding, and sol–gel methods to examine the effects of preparation route on their structure, surface properties, and catalytic performance in coupled NH3-SCR and CO oxidation. CuSmTi-SG exhibited the best performance, achieving >40% NOxconversion at 125 °C, complete NOxand CO conversion at 200 °C, and nearly 100% N2selectivity over 100–300 °C, with stable performance over 24 h. It possessed a higher surface area (131.4 m2g−1), pore volume (0.230 cm3g−1), and smaller TiO2crystallite size (8.5 nm) than the other catalysts. Spectroscopic analyses showed that sol–gel synthesis altered the surface electronic states of Cu and Sm species, resulting in a higher Cu+fraction and greater amounts of medium-to-strong Lewis acid sites and labile surface oxygen species. In situ DRIFTS indicated that CO oxidation proceeded predominantly via a Mars–van Krevelen mechanism over Cu+sites, whereas NH3-SCR mainly followed an Eley–Rideal pathway. CO and NH3preferentially interacted with different surface sites, resulting in limited mutual inhibition. These results demonstrate that the preparation route can modify the structure and surface chemistry of CuSmTi catalysts without changing their nominal composition, thereby affecting their performance in low-temperature NOxand CO abatement.
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CHEMICAL ENGINEERING JOURNAL
·
2025
·
IF 13.2
Mengjia Zhou,Ziyan Cui,Yun Liu,Dan Wang,Yanzhou Li,Junwei Zhao,Wenwu You
In this study, a highly sensitive photoelectrochemical (PEC) immunosensor for the detection of carcinoembryonic antigen (CEA) utilizing core-sheath-type TiO 2 @NH 2 -MIL-125(Ti) nanocone array heterostructures was developed. The immunosensor was constructed by depositing NH 2 -MIL-125(Ti) as a sheath onto FTO/TiO 2 nanocones through seed-assisted solvothermal synthesis. The TiO 2 @NH 2 -MIL-125(Ti) heterostructure showcased superior PEC detection capabilities for CEA, leveraging the quantum and tip effects of the TiO 2 nanocones along with the broad-spectrum absorption of NH 2 -MIL-125(Ti), which collectively enhanced light utilization and photoelectric conversion efficiency. The internal electric field at the NH 2 -MIL-125(Ti)/TiO 2 interface enabled efficient photogenerated electron transfer, eliminating the need for external bias and enhancing photocurrent. The antibody-functionalized surface effectively captured CEA, resulting in a clear decrease in photocurrent. Under optimized conditions, the immunosensor exhibited a linear response to CEA in the range of 0.1 pg/mL to 100 ng/mL with a remarkable detection limit of 0.54 fg/mL. The developed PEC immunosensor demonstrated high stability and excellent reproducibility, providing an innovative strategy for the development of sensitive photoactive heterojunction materials for biomarker immunosensing applications.
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CERAMICS INTERNATIONAL
·
2025
·
IF 5.6
Boyu Liu,Tengfei Wang,Qing Pang,Jun Yang,Haidong Liu,Hongyu Wang
To improve the energy density of s ingle-crystal LiNi 0.5 Co 0.2 Mn 0.3 O 2 (NMC523) by increasing the charging cut-off voltage presents a big challenge since the material degrades significantly at high voltage (>4.3V). A simple method to enhance the high-voltage electrochemical properties of single-crystal NMC523 was proposed by introducing a mesoporous TiO 2 coating and Ti doping. The specific discharge capacity for the modified NCM523-M-TiO 2 -0.5 sample achieves 182.81 mAh g −1 at a 0.1 C rate within the 3.0–4.5 V range. Furthermore, the capacity retention rate was 80.69 % after 200 cycles at a charge/discharge rate of 1 C, significantly higher than that of bare NCM523, which exhibited values of 181.36 mAh g −1 and 46.40 %. In detail, the mesoporous TiO 2 coating shields the cathode from the electrolyte, enhancing the stability at the interface and promoting the movement of lithium ions. Additionally, Ti doping increases lattice spacing and stabilizes the layered structure. This research will inform the design of high-performance cathode materials for Li-ion batteries.
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高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2026
·
IF 12.5
Xuefeng Sha,Xianyin Song,Qiwei Shangguan,Yawei Lv,Fan Zeng,Xingang Zhang,Xueli Wu,Minghao Yu,Changzhong Jiang
MXene has emerged as a promising alternative to carbon-based capacitor materials since its inception, however, the current practical implementation still faces dual challenges: environmentally hazardous, time-consuming synthesis procedures and intrinsically low-concentration pseudocapacitive active sites. Herein, a short-duration, eco-friendly and high-efficiency double fluoride salt hydrothermal strategy was proposed to fabricate Ti 3 C 2 MXene with unparalleled electrochemical properties. A comprehensive and good balance, including rapid MAX phase etching, just-right titanium terminal water oxidation, and ammonia reduction activation, is achieved via a one-step NH 4 HF 2 hydrothermal reaction at 160 °C for merely 1 h (TOR-MXene). It drastically outperforms conventional HF acid etching at 60 °C for 48 h (P-MXene). Systematic experimental characterizations (HRTEM, SAXS, XPS, EXAFS, EPR and in-situ XRD, in-situ Raman) and DFT calculations consistently reveal that instead of the generally believed pore expansion, the abundant highly-reduced titanium dioxide nanoclusters anchored on the surface of MXene exhibit substantial pseudocapacitive activation, accompanied by the threshold Bader charge of Ti atoms exceeding 10.5 |e|. Consequently, the prepared TOR-MXene delivers a remarkable specific capacitance of 446.1 F g −1 even at the ultrahigh current density of 30 A g −1 , a sixfold improvement over the P-MXene of 74.8 F g −1 . Moreover, the TOR-MXene electrode displays around 91.2% capacitance retention over 50,000 cycles, showing an extremely high cycling stability. This strategy establishes atomic-level design principles for MXene-based energy storage, advancing efficient synthesis and performance optimization.
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高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2026
·
IF 9.6
Nianwen Song,Jiangtao Qu,Bo Feng,Keyi Lv,Yanfei Wei,Xiaofei Yu,Lanlan Li,Xinghua Zhang,Xiaojing Yang,Rongkun Zheng,Yahui Cheng,Zunming Lu
Among non-precious metal catalysts, non-oxide materials often undergo surface oxidation under high-anodic potentials during the oxygen evolution reaction (OER), forming hydroxyl oxides or oxyhydroxides that serve as the true active phases with intrinsically higher activity. However, this structural transformation is frequently accompanied by surface relaxation, lattice distortion, or even partial collapse, leading to progressive degradation of catalytic stability, particularly under high-current-density operation, where long-term structural integrity is severely challenged. Enhancing the operational stability of such non-oxide catalysts is therefore a critical and unresolved challenge. In this work, we rationally doped Ti atoms into the Ni 3 S 2 lattice via a one-step solvothermal synthesis. Ti incorporation introduces low-coordinated metal sites that function as highly dispersed, atomically efficient active centers. These sites promote rapid deprotonation kinetics and lower the energetic barrier for O O bond formation, thereby significantly boosting intrinsic OER activity. The resulting catalyst delivers an overpotential of only 238 mV to achieve a current density of 10 mA cm −2 in 1 M KOH. Crucially, during electrocatalysis, the oxyphilic Ti dopants undergo controlled, sacrificial dissolution and act as “voltage buffers” that mitigate lattice strain and suppress irreversible oxidation of the Ni S framework under high anodic bias. This dynamic stabilization mechanism preserves the structural coherence of the catalyst, enabling stable operation at relevant current densities for over 400 h. Density functional theory (DFT) calculations corroborate the mechanism that confirms the preferential adsorption of OH* and O* intermediates at bridge and top sites associated with low-coordinated Ni atoms, and quantitatively reveal how Ti doping modulates the adsorption strength and coverage of key intermediates across applied potentials. Collectively, this study demonstrates a scalable, rational design strategy integrating targeted dopant selection, mechanistic understanding, and operando stabilization that advances non-oxide, non-noble metal catalysts toward practical water electrolysis applications.
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PubMed
高影响因子
Surfaces and Interfaces
·
2026
·
IF 6
Lihuan Feng,Yulin Wang,Hao He,Chunyu Li,Peng Chen,Qiang Liu,Xing’an Dong,Wenjie He,Jiazhen Liao,Wendong Zhang
Solar-driven photocatalytic CO 2 reduction provides a sustainable pathway for carbon-neutral fuel production, yet its efficiency is fundamentally limited by the chemical inertness of linear CO 2 and inefficient utilization of photogenerated charge carriers. Effective activation of CO 2 requires electron injection into its antibonding π* orbitals, a process that is poorly matched with conventional oxide photocatalysts. Herein, we construct chemically defined Ti-O-Fe interfacial bonds in TiO 2 /Fe 2 O 3 heterojunctions to establish a directional d→π* electron-transfer channel for CO 2 activation. The optimized TiO 2 /Fe 2 O 3 photocatalyst, synthesized via a one-step hydrothermal method, exhibits broadened visible-light absorption and delivers a CO formation rate of 17.56 μmol·g −1 ·h −1 , over three times higher than that of pristine TiO 2 . Spectroscopic analyses and density functional theory calculations reveal that interfacial electron transfer shifts Fe 3d states toward the Fermi level, enabling strong hybridization with the CO 2 π* orbitals and significantly lowering the free-energy barrier for *COOH formation. This bond-mediated electronic coupling not only suppresses charge recombination but also directs photogenerated electrons toward the CO 2 activation pathway. These results demonstrate that interfacial d-band engineering through chemically specific oxide–oxide bonds provide a powerful strategy to program elementary reaction steps in solar-driven CO 2 reduction beyond conventional band-alignment design.
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CERAMICS INTERNATIONAL
·
2022
·
IF 5.532
Kai Lv,Yong Zhu,Lei Wang,Zhang Chen,Zongtao Zhang,Yanfeng Gao
To reduce carcinogenic cobalt content in pigments, a series of near-infrared reflective pigments based on CaAl 12-x-y Co x Ti y O 19 (x = 0–0.5 and y = 0-(x+0.3)) were prepared via solid state reactions. Although the cobalt content in the pigment CaAl 11.7 Co 0.1 Ti 0.2 O 19 is only 0.87% by mass, the resulting pigment still has excellent color properties (64.89, 3.88, −40.30) and near-infrared reflectance (∼70%). The structural information of the obtained pigments were analyzed by XRD refinement, and the results revealed that the doping concentration of titanium relative to cobalt significantly affected the coordination structure of cobalt in hibonite, which in turn apparently influenced the optical properties of the obtained samples. The actual cooling effect of the CaAl 11.7 Co 0.1 Ti 0.2 O 19 coating was tested using a model house and the annual energy consumption was simulated by using EnergyPlus software. For a warm city (Haikou), using this CaAl 11.7 Co 0.1 Ti 0.2 O 19 coating can reduce energy consumption for cooling by 24.75%.
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Materials Advances
·
2023
·Vol. 4
·期 3
·940-947
·
IF 5
Xiaobing Yang,Junjie Pan,Bingcong Xing,Wenjie Lei,Yingchun Fu,Kejun Cheng
Nowadays, aflatoxin B1 (AFB1) contamination is considered as one of the most common food safety issues for humans and animals. As one of the most advanced oxidation techniques, photocatalytic degradation can break down organic contaminants into nontoxic and harmless materials efficiently. In this paper, we explored the degradation efficiency of AFB1 by ZnIn2S4. To promote the photocatalytic degradation efficiency of AFB1, ZnIn2S4 was coupled with MIL-125(Ti) and then doped with La [this hybrid is denoted as La-ZnIn2S4/MIL-125(Ti)] to effectively convert it via photocatalytic generation of superoxide radicals (˙O2− and ˙OH) and achieve much enhanced photocatalytic performance, which is demonstrated by degrading 97.6% of AFB1. According to the transient photocurrent responses, the doping of La and coupling with MIL-125(Ti) can highly improve the efficient separation of the photoinduced electron–hole pairs on ZnIn2S4, leading to the effective conversion of OH− and O2 into ˙O2− and ˙OH, respectively, during the photodegradation process. This strategy of coupling with MOFs and doping with rare earth elements provides a facile and efficient method for degrading food pollutants produced by aflatoxins.
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ACS Applied Materials & Interfaces
·
2022
·
IF 10.383
Jianping Yang,Zhonghao Liu,Haoran Zhou,Lei Jia,Anhua Wu,Linwen Jiang
Efficient and stable electromagnetic-wave (EMW) absorption materials have attracted great attention in the field of reducing microwave pollution. Herein, FeCoNiCuTix high-entropy alloys (HEAs) as electromagnetic-wave absorbing materials were prepared by a high-energy ball-milling method. The as-milled HEA powders presented a flaky shape with a high aspect ratio. Impedance matching was efficiently optimized by severe lattice distortion, which was caused by Ti incorporation. The introduced plentiful defects in FeCoNiCuTix HEAs provided abundant polarization sites for dielectric loss. By tuning Ti contents, FeCoNiCuTi0.2 HEAs delivered excellent EMW absorption performances. The maximal reflection loss (RLmax) values reached −47.8 dB at 10.86 GHz as thin as 2.16 mm, and the widest bandwidth was 4.76 GHz (5.97–10.73 GHz). Furthermore, the introduction of Ti enhanced corrosion resistance via increasing the charge transfer resistance of a passivated film. Those characteristics of FeCoNiCuTix HEAs made these materials a practical gigahertz-range EMW absorber. Additionally, our findings provided a facile and tunable strategy for designing EMW absorbing materials, which was aimed at lightweight, highly efficient absorption, and resistance to harsh environments.
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高影响因子
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