ACS Applied Materials & Interfaces
·
2026
·
IF 8.2
Zeyi Guan,Yidong Huang,Suye Li,Liuyan Zhang,Renyu Zhou,Lichan Wu,Danting Wu,Gengzhe Shen,Guibin Tan
Designing electrocatalysts that are both highly efficient and remarkably stable for the oxygen evolution reaction (OER) holds immense significance in enhancing the performance efficiency of water electrolysis within renewable energy systems. In this study, a MoSe2@NiFe2O4 p–n heterostructure was constructed to effectively regulate the interfacial built-in electric field (BIEF), thereby tuning the electronic distribution and transfer behavior and optimizing the adsorption/desorption reaction kinetics. Structural and electronic characterizations confirmed a pronounced work function difference (Δ = 1.9 eV) between MoSe2 and NiFe2O4, which drives spontaneous electron migration from MoSe2 to NiFe2O4. This leads to the generation of a strong BIEF at the interface, which, in turn, promotes efficient separation and transfer of charge. Benefiting from this, the MoSe2@NiFe2O4 electrode exhibits outstanding OER performance in 1.0 M KOH, requiring only 212 mV to achieve a current density of 10 mA cm–2 and 290 mV to deliver 1000 mA cm–2, while sustaining a minimal overpotential and demonstrating exceptional stability, even when subjected to high current densities, thereby outperforming the majority of previously reported OER catalysts. This work demonstrates that exploiting work function differences to construct and regulate interfacial BIEF offers a new strategy and theoretical foundation for designing highly efficient OER electrocatalysts via interfacial engineering.
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ACS Applied Polymer Materials
·
2026
·
IF 4.7
Zhibo Zhou,Yunqing Gu,Yun Ren,Zhou Li,Denghao Wu,Zhenxing Wu,Jiegang Mou
In order to enhance the actuation performance of photoresponsive hydrogels in view of their slow response rate and limited functionality, a photoresponsive hydrogel was prepared in this study. The hydrogel was constructed with a thermo-responsive poly(N-isopropylacrylamide-co-acrylamide) (P(NIPAM-AM)) matrix cross-linked by chitosan (CS) and incorporated a photothermal conversion component based on the Fe3+/tannic acid (TA) complex. We characterized the hydrogel’s microscopic morphology and measured its water absorption/desorption rates, mechanical properties, temperature sensitivity, photothermal conversion ability, actuation performance, and sensing performance. Results show that adding chitosan and acrylamide together produced a more tightly cross-linked structure. This improved the hydrogel’s mechanical strength, water retention, and actuation performance. Key performance values include a maximum stress of 101 kPa, maximum strain of 100%, and maximum bending angle of 104.8°. The hydrogel achieved a fast actuation response time of 0.732 s, a bending rate of 0.22 mm/s, and a conductivity of 1.154 (Ω·m)−1. It also demonstrated efficient photothermal conversion, NIR-responsive actuation, and conductive sensing performance. This work provides a useful strategy for developing high-performance light-responsive smart materials and a practical solution for multifunctional flexible actuators.
✓ 已验证
产品关联
DOI
高影响因子
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
·
2026
·
IF 3.3
Chen Buxin,Li Yehui,Chen Mao,Liu Lingling,Ma Kaihui,Bai Chenguang,Hu Meilong
To support green transition of vanadium titanomagnetite blast furnace smelting, various low-carbon blast furnace atmospheres, including oxygen-enriched air injection (CO–N 2 ), oxygen-enriched H 2 -rich air injection (CO–H 2 ), and H 2 -rich air injection (CO–H 2 –N 2 ) were investigated to gain insight on the Ti(C,N) formation mechanisms. In this study, thermogravimetric analysis was first employed to investigate the kinetics of the TiO 2 reaction. Arrhenius-based kinetic modeling revealed that these reactions are primarily controlled by solid-state diffusion, and N 2 directly nitrides titanium oxides to TiN, and the activation energy decreases with increasing N 2 content. In contrast, H 2 lowers the activation energy of the reaction and promotes the reduction of TiO 2 to lower-valence oxides. Then, the carbothermic reduction of TiO 2 -bearing slags was investigated. Chemical composition analysis, XRD, and EPMA-WDS mapping demonstrated pronounced atmosphere-dependent variations in the formation of TiC/N phases. In CO–N 2 atmospheres, Ti(C,N) content decreases with increasing CO content and Ti(C,N) tends to agglomerate. With pure CO, only a few, sparsely dispersed TiC particles were detected. Whereas in CO–H 2 atmospheres, increasing the H 2 concentration markedly enhanced TiC formation, yielding uniformly dispersed particles with slight clustering. Therefore, the overall atmosphere effect on the amount of TiC/N formation follows the order: 100 pct CO < 80 pct CO–20 pct H 2 < 80 pct CO–20 pct N 2 < 60 pct CO–40 pct H 2 < 60 pct CO–40 pct N 2 < 30 pct CO–70 pct N 2 atmosphere (conventional blast furnace atmosphere). Graphical
✓ 已验证
产品关联
DOI
高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2026
·
IF 19.9
Xiangyang Gao,Jingfei Zhang,Xin Liu,Shukun Yin,Yafei Zhao,Yuanzheng Zhang,Bangbang Nie,Qiyan Wang,Xiaobo Wang,Ruya Guo,Ronghan Wei
Photorechargeable power systems (PPSs) based on supercapacitors (SCs) provide a sustainable solution for alleviating the energy crisis. However, sluggish kinetics in SCs are insufficient to meet the requirements of rapid photogenerated charge storage; achieving efficient self-charging remains a challenge. Here, PPSs integrating flexible solid-state asymmetric SCs (FSASs) with N-doped carbon-stabilized CoSe/NiSe 2 heterojunction (N-C@CoSe/NiSe 2 ) and flexible solar cells (FSs) are precisely designed to achieve efficient self-charging capacity. Theoretical calculations reveal that the robust built-in electric field (BIEF) at the heterointerface accelerates electron reconstruction and enhances the affinity of OH − , thereby endowing abundant electroactive sites and fast reaction kinetics. The stable interfacial chemical bond between the N-C frame and the CoSe/NiSe 2 heterojunction significantly strengthens the BIEF while buffering volume expansion during electrochemical, improving the integral structural stability. The N-C@CoSe/NiSe 2 ingeniously combines synergistic optimization of reaction kinetics and structural stability, achieving high capacitance (2124 F g −1 ) and excellent cycling stability. The assembled FSASs deliver excellent energy storage capacity (70.8 Wh Kg −1 ). More importantly, integrated PPSs achieve a highly efficient photogenerated charge storage capacity of 4.5 V min −1 and sustainability, powering wearable electronic devices and small unmanned aircraft. This work provides scientific insights and guidance for designing robust heterogeneous and advancing the exploitation of next-generation sustainable power systems.
✓ 已验证
DOI
高影响因子
INORGANIC CHEMISTRY COMMUNICATIONS
·
2026
·
IF 5.9
Xiaofei Guo,Zhongyao Guo,Chen Wang,Candong Liu,Honghui Cheng,Kuikui Wang
The highly active and stable oxygen reduction reaction (ORR) process is essential for driving the development of zinc-air batteries (ZABs). Therefore, by integrating the precise regulation of precursors, the tannic acid (TA) etching and nitrogen coordination strategy, a nitrogen-rich hierarchical porous Fe-N-C catalyst was successfully constructed. The uniform dispersion of particles was achieved by controlling the formation of the Fe-ZIF-8 precursor. Subsequent TA etching formed a rich mesoporous/microporous structure to improve active-site exposure. During the high-temperature pyrolysis process with melamine as the nitrogen source, a highly dispersed Fe-N X coordination structure was formed. Based on this rational design, the obtained catalyst presents a hierarchical porous structure, high nitrogen content and superior ORR activity, with a half-wave potential of 0.91 V in 0.1 M KOH solution. When applied to liquid and flexible ZABs, the catalyst delivers peak power densities of 186 mW cm −2 and 75 mW cm −2 , respectively, and cycling stability of over 1486 h is maintained in the liquid system-surpassing the performance of commercial Pt/C + RuO 2 . This research offers a fresh perspective on the design and synthesis of efficient ND-FeNC-TA catalysts and promotes the practical application of ZABs.
✓ 已验证
产品关联
DOI
高影响因子
CHINESE JOURNAL OF CATALYSIS
·
2026
·
IF 17.2
Bihua Hu,Hailin Cao,Zhen Chen,Zhiwei Lei,Xin Wang,Panagiotis Tsiakaras,Zhongwei Chen,Baomin Xu
Electrocatalytic carbon dioxide reduction (CO 2 RR) offers a highly promising strategy for achieving carbon-neutral energy cycles by converting CO 2 into high-value chemicals and fuels. While it remains challenging to modulate the electronic environment precisely and systematically around the active sites of catalysts to steer the reaction toward desired products, especially hydrocarbons such as methanol (CH 3 OH). This study reports a strategy that enables highly efficient CO 2 RR to CH 3 OH under neutral conditions by fine-tuning the electronic environment of cobalt center in cobalt phthalocyanine (CoPc) through nitrogen-rich supports. Among them, CoPc/TiN achieved a high Faradaic efficiency of 53.28% for CH 3 OH production at –1.0 V ( vs . reversible hydrogen electrode), with a partial current density of 68.76 mA cm ‒2 . X-ray photoelectron spectroscopy and extended X-ray absorption fine structure analyses reveal that electronic modulation at Co-N sites of CoPc, which can promote *HCO coupling, and it’s a critical step in CH 3 OH formation. Theoretical calculations further demonstrate that nitrogen carriers induce electronic redistribution within the Co center coordination environment. The projected density of states of *HCO on CoPc loaded on (Si)N-MXene)/TiN/C 3 N 4 shown electron deficient characteristics. It promotes the formation of *HCO, thereby facilitating CH 3 OH synthesis. This work provides new mechanistic insights into CO 2 RR for CH 3 OH and opens new avenues for designing efficient catalysts.
✓ 已验证
产品关联
DOI
高影响因子
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
·
2026
·
IF 5.4
Yuxin Tang,Xinyi Yang,Lingyu Zeng,Bili Tan,Fei Qi,Bo Feng,Liang Wang,Guangbo Che
Precise atomic-scale interface engineering across the entire pH range remains a formidable challenge for photocatalytic H 2 evolution. Herein, hexamethylenetetramine (HMT) is introduced as a bifunctional surface modifier that spontaneously constructs Pd-N coordination bridges on g-C 3 N 4 . The interfacial Pd-N bonds collectively down-shift the N-p-band center away from the Fermi level, break intrinsic surface charge symmetry of C/N atoms, and fully expose the originally buried N active sites, thereby steering the hydrogen adsorption free energy (|ΔG H* |) toward thermoneutral. Simultaneously, the Pd-N bond confines Pd cluster growth to ∼5 nm, doubling specific surface area and enriching edge active sites that serve as primary proton reduction centers. Transient photoelectric voltage results reveal that the Pd-N electron transfer channel shortens the carrier transfer path and prolongs photoelectron lifetime, enabling quantitative electron delivery under acidic, neutral, and alkaline environments. As a result, the Pd-CN-HMT sample presents an efficient H 2 evolution rate across the entire pH window. This work advances the field by providing a versatile ligand-based strategy to precisely tailor the interfacial electronic structure via strong chemical bonding, offering a distinct and scalable solution for constructing high-performance pH-universal photocatalysts.
✓ 已验证
产品关联
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2026
·
IF 7.8
Xiaolin Wang,Hexi Yu,Zhihong Dong,Zhouyang Sun,Yajuan Cai,Xueting Zhao,Jiefeng Pan
Covalent organic frameworks (COFs) are ideal candidates for constructing high-performance molecular separation membranes. Interfacial polymerization (IP) represents an important approach for fabricating continuous COF membranes. This study presents an N-heterocyclic organobase-mediated IP (N-het-IP) strategy to rapidly fabricate highly crystalline, continuous COF membranes at the interface. The key of the N-het-IP strategy lies in the presynthesized aqueous-phase tertiary amine intermediates derived from the N-heterocyclic organobase (such as piperazine) and aldehyde monomers (such as Tp). The tertiary amine intermediates with a Tp core and N-heterocyclic segments take part in the dynamic amine exchange reaction with organic-phase amine monomers, inducing interfacial membrane formation and COF crystalline transformation within 30 min under mild conditions. Simultaneously, the interfacial assembly of the tertiary amine intermediates constructs an amphiphilic interfacial microenvironment, regulating self-arrangement and suppressing disordered stacking, thereby yielding highly crystalline, continuous, and defect-free COF membranes. Moreover, the N-het-IP strategy exhibits broad universality, being compatible with various N-heterocyclic organobases and amine monomers of diverse COF membranes. Constructed via the N-het-IP strategy, the resulting COF membrane exhibits moderately high permeance and enables precise molecular sieving of dyes. The N-het-IP strategy provides a facile and efficient method to synergize the rapid synthesis and continuous assembly of COF membranes, paving the way for the development of COF membranes tailored for on-demand molecular separations.
✓ 已验证
DOI
高影响因子
ACS Catalysis
·
2026
·Vol. 16
·期 20
·20616-20627
·
IF 13.6
Yuan Jingkang,Zhao Chao,Jin Yu,Hou Qilin,Cui Zhi,Tan Daolin,Ou Honghui,Yan Xiaoqing,Yang Guidong
The electrocatalytic co-reduction of nitrate (NO 3 − ) and carbon dioxide (CO 2 ) into urea represents a potential avenue for achieving efficient urea production. However, this process involves intricate C–N coupling reactions and faces a severe kinetic mismatch between the reduction pathways. This disparity typically leads to a disproportionate coverage of key C- and N-containing intermediates on the catalyst surface, resulting in dominant competitive side reactions. Herein, we report the design of a heterogeneous FeNi@AC catalyst that integrates isolated Fe single atoms and Fe–Ni dual-atom sites at the atomic scale, enabling the efficient conversion of NO 3 − and CO 2 into urea. Combined experimental and theoretical investigations reveal that the isolated Fe single-atom sites retain high nitrate reduction capability. Crucially, the introduction of Ni induces an electronic reconfiguration of the Fe center, which significantly lowers the energy barrier for CO 2 activation (from 0.7 eV to 0.1 eV). This activation effectively bridges the kinetic gap between C- and N-species. Consequently, the FeNi@AC catalyst achieves a urea yield rate of 13.6 mmol g –1 h –1 and a Faradaic efficiency of 51.7% at –0.8 V (vs RHE). This work not only presents an active catalyst for urea synthesis but also provides a site-specific regulation strategy for designing multifunctional atomic-site catalysts tailored for complex tandem reactions.
✓ 已验证
DOI
高影响因子
APPLIED SURFACE SCIENCE
·
2026
·
IF 6.6
Lingchao Wang,Yun Guo,Xiaofan Li,Hui Guo,Yinzhong Liu,Xiaotao Zhu,Yiyu Qiao,Xuechun Yang
Developed a unique Gd-doped Tourmaline@MOF-ZnO nanostructure that integrates a polarized core with a highly porous shell. • Achieved a massive response (890.31 to 100 ppm), fast kinetics (34 s/18 s), and a ppb-level detection limit (56.63 ppb) for n-butanol at 240 °C under UV activation. • The gas-sensing performance is significantly boosted through the synergistic combination of the MOF-derived porous architecture, Tourmaline polarization, Gd-induced oxygen vacancies, and UV activation. Reliable monitoring of volatile organic compounds (VOCs) demands gas sensors with fast response, high sensitivity, and excellent selectivity. To this end, we designed a novel gas-sensing material based on a Gd-doped Tourmaline@MOF-ZnO core–shell nanostructure. This structure integrates a Tourmaline core with a porous MOF-derived ZnO shell, further enhanced via Gd doping. The gas sensing properties were evaluated under both dark condition and UV activation. At the operating temperature of 240 °C with UV activation, the optimized sensor with 0.08 wt% Gd and 5 wt% Tourmaline (denoted as 0.08 wt% Gd-5 wt% TML@ZnO) exhibited a remarkable response of 890.31 to 100 ppm n-butanol. This value is 9.96 times higher than that of the pristine MOF-derived ZnO (89.43). Moreover, the sensor demonstrated fast response/recovery times (34 s/18 s), high selectivity, excellent long-term stability, and a low detection limit of 56.63 ppb. The outstanding performance underscores the considerable promise of the optimized Gd-doped Tourmaline@MOF-ZnO core–shell composite for practical ppb-level VOCs monitoring. This work provides an effective strategy for designing high-performance gas sensors through the synergistic integration of rare-earth doping and core–shell structural design. Download: Download high-res image (214KB) Download: Download full-size image
✓ 已验证
DOI
高影响因子
CHEMISTRY-A EUROPEAN JOURNAL
·
2026
·
IF 3.6
Meiqi He,Wei Zhang,Chengxin Zhu,Ying Liang,Wenjin Guo,Rong Chen
Electrochemical conversion of CO 2 and nitrate into urea offers a sustainable route for nitrogen fixation, yet the reliability of catalytic performance evaluation is frequently compromised by inaccurate product quantification. Current detection methodologies are susceptible to severe interferences from electrolyte pH fluctuations, byproduct accumulation (e.g., NO 2 − , NH 3 ), and complex electrolyte factors. In this study, we systematically decouple the interference mechanisms affecting these mainstream detection methods, revealing that extreme pH conditions lead to significant quantitative deviations in urease-based assays due to enzymatic denaturation. To overcome these limitations, we establish a comprehensive calibration strategy and a multi-method synergistic detection protocol. This approach integrates targeted pH optimization with a logic-guided selection of analytical techniques based on specific concentration ranges and impurity profiles. Validated using a BiOCl-catalyzed urea synthesis system, this integrated protocol demonstrates exceptional accuracy, stability, and cross-method consistency. By offering a standardized, high-throughput-compatible workflow for eliminating false positives and measurement errors, this work provides critical methodological support for the objective assessment of electrocatalytic urea synthesis. Graphical This study systematically evaluates matrix interferences in electrochemical C─N coupling for urea quantification. We define specific boundaries where ammonia and nitrite byproducts cause measurement deviations and elucidate the impacts of pH on detection methods. An integrated multi-method protocol is established and validated using a BiOCl catalyst, delivering a standardized workflow for the objective assessment of performance.
✓ 已验证
DOI
高影响因子
Catalysis Science & Technology
·
2026
·
IF 4
Yufeng Zhao,Haozhi Wang,Keyi Zhou,Daoping He,Xi Chen
Electrochemical nitrate reduction to ammonia (NO3RR) represents a promising approach for wastewater treatment while simultaneously offering an alternative to the Haber-Bosch synthesis process. However, current research on metal-free carbon-based catalysts remains limited in scope, exhibits relatively low catalytic performance, and predominantly relies on carbon precursors derived from non-renewable resources. To address these challenges, this study employs chitin and shrimp shells as a precursor to synthesize sulfur-nitrogen co-doped carbon (SNC) catalysts via thiourea doping. At -0.95 V (vs. RHE), the optimized catalyst achieves a Faradaic efficiency of 97.6% and an ammonia yield rate of 21,012 μg h-1 mg-1. Characterizations such as high-resolution transmission electron microscopy (HRTEM), powder X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and in situ attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) have been conducted to elucidate the catalyst structure and proposed reaction pathways.
✓ 已验证
DOI
高影响因子
危险品化学品经营许可证（带存储）