Yuan Gao , Haiyan Nan , Huilin Zuo , Renxian Qi , Zijian Wang , Jialing Jian , Zhengjin Weng , Wenhui Wang , Shaoqing Xiao , Xiaofeng Gu
{"title":"Enhancing photodetection efficiency in MoTe2/MoS2 van der Waals heterojunctions by modulating the phase regions","authors":"Yuan Gao , Haiyan Nan , Huilin Zuo , Renxian Qi , Zijian Wang , Jialing Jian , Zhengjin Weng , Wenhui Wang , Shaoqing Xiao , Xiaofeng Gu","doi":"10.1016/j.surfin.2025.106511","DOIUrl":"10.1016/j.surfin.2025.106511","url":null,"abstract":"<div><div>MoTe<sub>2</sub> is a promising candidate for phase change engineering applications due to its low energy barrier between the 2H and 1T' phases. This article presents a method to achieve uniform and patternable phase transitions in MoTe<sub>2</sub> through photolithography and mild plasma treatment. The transition from the 2H phase to the 1T' phase results in excellent uniformity and low roughness. By controlling phase transitions in different regions, the impact on the optoelectronic performance of MoTe<sub>2</sub>/MoS<sub>2</sub> heterojunctions is systematically investigated. Devices with phase transitions in the electrode region show the fastest response speed, reaching 40 μs/35 μs. Devices with phase transitions across the full region show superior responsivity, reaching 22.3 mA/W. Selectively applying uniform phase transitions in different regions can effectively modulate the optoelectronic performance of MoTe<sub>2</sub>/MoS<sub>2</sub> heterojunctions, offering new possibilities for diverse applications of two-dimensional materials through phase change engineering</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"65 ","pages":"Article 106511"},"PeriodicalIF":5.7,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143854567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yuxin Tian , Shunli Yu , Wenbin Sun , Shenghua Ma , Hui Wang
{"title":"Preparation of electronic pastes for high-precision screen printing: action mechanisms and synergistic effects of different polymer binders","authors":"Yuxin Tian , Shunli Yu , Wenbin Sun , Shenghua Ma , Hui Wang","doi":"10.1016/j.surfin.2025.106525","DOIUrl":"10.1016/j.surfin.2025.106525","url":null,"abstract":"<div><div>With the continuous advancement of Tunnel Oxide Passivated Contact (TOPCon) solar cell technology, increasingly stringent demands are being placed on the printing precision of electronic pastes. Polymer binders, as critical components of electronic pastes, play a pivotal role in regulating viscosity, enhancing rheological properties, and improving printability. However, the specific action mechanisms by which polymer binders within electronic pastes, as well as the synergistic effects among different polymers, remain insufficiently explored. The effects of various polymer binders on the rheological and printing properties of organic carriers and electronic pastes were systematically investigated. The optimal concentration of polymer binders was determined by the viscosity of organic carriers and the wettability of silicon wafers. The flow behavior and rheological properties of organic carriers and electronic pastes were evaluated using the Ostwald-de Waele power-law model and the Herschel-Bulkley model, respectively. Additionally, screen printing was employed to evaluate the action mechanisms of polymer binders in electronic pastes. High quality electronic pastes (Ag-PSE and Ag-PSC) with excellent rheology properties and printability were successfully developed through the matching and combination of polymers. The optimized electronic pastes exhibited suitable viscosity, high pseudoplasticity, and excellent structural recovery. When utilized as TOPCon front fine grid pastes, the electrode grid lines produced via screen printing and sintering demonstrated high aspect ratios (0.4308 and 0.4324), narrow line widths (only 23.22 μm and 24.45 μm) and low resistivity (2.52 × 10<sup>–6</sup> Ω cm and 2.54 × 10<sup>–6</sup> Ω cm).</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"65 ","pages":"Article 106525"},"PeriodicalIF":5.7,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143854568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Qihao Chen , Yuefeng Ying , Mingzhu Hu , Bolun Dong , Sanbao Lin , Yangyang Fan , Xiaoyu Cai , Tong Jin
{"title":"Improvement of wear and corrosion resistance of aluminum alloy weld by constructing a laminate microstructure","authors":"Qihao Chen , Yuefeng Ying , Mingzhu Hu , Bolun Dong , Sanbao Lin , Yangyang Fan , Xiaoyu Cai , Tong Jin","doi":"10.1016/j.surfin.2025.106515","DOIUrl":"10.1016/j.surfin.2025.106515","url":null,"abstract":"<div><div>Periodic ultrasonic vibration enhances aluminum alloy weld surface properties by constructing a laminate microstructure, significantly improving wear and corrosion resistance. This study examined how periodic ultrasonic vibration influence laminate microstructure development, wear resistance, and corrosion resistance. The main results are as follows: The laminate weld microstructures with different layer widths could be designed by varying the switching-on/off time of the ultrasonic vibrations. The stratification features become less distinct when the switching-on/off time is short, as this leads to a reduced distance between layers. Weld microstructures with obvious delamination characteristics can be obtained when the switching-on/off time is 0.4 s and 0.7 s. Following the application of periodic ultrasonic vibration, a significant increase in both dislocation density within the weld grains and the number of subgrain boundaries was observed. The interfacial density and subgrain structure play a crucial role in determining the wear and corrosion resistance properties of weld. The application of ultrasonic vibration with a switching-on/off time of 0.1 s/0.1 s leads to significant improvements in weld performance, showing a 49.67 % reduction in wear rate and a 52.92 % decrease in corrosion current density compared to the original weld characteristics.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"65 ","pages":"Article 106515"},"PeriodicalIF":5.7,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143869897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jianjie Cao, Heping Luo, Pengcheng Liao, Sha Chen, Jixin Peng, Yangyang Chen, Han Xu, Yan Qing, Yiqiang Wu
{"title":"Constructing N, O, S-tri doped carbon @ hard carbon architectures as advanced anodes materials for sodium-ion batteries","authors":"Jianjie Cao, Heping Luo, Pengcheng Liao, Sha Chen, Jixin Peng, Yangyang Chen, Han Xu, Yan Qing, Yiqiang Wu","doi":"10.1016/j.surfin.2025.106522","DOIUrl":"10.1016/j.surfin.2025.106522","url":null,"abstract":"<div><div>Biomass-derived hard carbon from biological resources shows considerable potential as an anode material for sodium-ion batteries (SIBs). However, poor electrochemical performance and stability restrict their practical application. Herein, by growing polyaniline on the surface of poplar fibers and employing high-temperature calcination to form a N, O, S-tri doped carbon @ hard carbon bilayer structure (NOSC@HC), which enhances the platform capacity of the anode material. The resulting bilayer carbon has a reversible specific capacity of 317.42 mAh g<sup>-1</sup> (current density:0.2 A g<sup>-1</sup>)(93.28 % of capacity remaining after 200 cycles) in a half-cell. The capacity in the plateau region (< 0.1 V) accounted for 58.9 % of the total capacity. When composed of the full cell, an energy density of 151 Wh kg<sup>-1</sup> (0.2 A g<sup>-1</sup>) was achieved. Theoretical calculations indicate that multi-element doping within the carbon layer enhances the adsorption of sodium-ion from the original defects, improves electrochemical kinetics, and increases charge transfer through electron density rearrangement, leading to a strong sodium storage capacity for the NOSC@HC anode. Our results provide new research ideas and insights into the development and practical application of biomass-derived hard carbons.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"65 ","pages":"Article 106522"},"PeriodicalIF":5.7,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143851655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ming Zhao , Yao Sun , Shuping Lin , Linlin Wei , Xingye Huang , Qi Sun , Yu Han , Dalong Zhong , Boyan Li
{"title":"Rear interface point contact passivation of Cu(In,Ga)Se2 thin film solar cells by Al2O3 nanoparticles","authors":"Ming Zhao , Yao Sun , Shuping Lin , Linlin Wei , Xingye Huang , Qi Sun , Yu Han , Dalong Zhong , Boyan Li","doi":"10.1016/j.surfin.2025.106516","DOIUrl":"10.1016/j.surfin.2025.106516","url":null,"abstract":"<div><div>To form a rear interface point contact passivation structure for Cu(In,Ga)Se<sub>2</sub> (CIGS) thin-film solar cells, Al<sub>2</sub>O<sub>3</sub> nanoparticles with different coverage were fabricated at the interface between CIGS and Mo film by low-cost solution method, and the passivation mechanism was investigated systematically. Based on a series of tests, the device performance improvement mainly came from the increase of short circuit current density (J<sub>SC</sub>), resulting from the reflection enhancement by Al<sub>2</sub>O<sub>3</sub> particles at the CIGS/Mo interface, which promotes the light absorption by CIGS film. In addition, the effect on the three-step co-evaporation process led to a red shift in the absorption limit, thereby increasing the quantum efficiency. Further, Al<sub>2</sub>O<sub>3</sub> particles buried at the rear interface exhibited more negative potential than the uncovered locations, which inhibits the diffusion of minority carriers toward the rear interface and decreases the recombination of carriers. In summary, the local passivation near the rear interface brings an absolute efficiency increase of 0.75 % over the average efficiency of the reference cell, and a 17.76 % efficient solar cell was fabricated with an optimal coverage of Al<sub>2</sub>O<sub>3</sub> particles.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"65 ","pages":"Article 106516"},"PeriodicalIF":5.7,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143881692","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dawson Wai-Shun Suen , Yujie Yan , Eugene Yin-Cheung Wong , Xiao-Ying Lu , Jiajun Chen , Chi-Wing Tsang , Chunzhen Yang , Shaobo Ouyang
{"title":"A novel catalyst featuring highly stable cobalt and manganese nitride nanoclusters dispersed on single atom-anchored carbon nanotubes for hydrolytic release of hydrogen from ammonia borane","authors":"Dawson Wai-Shun Suen , Yujie Yan , Eugene Yin-Cheung Wong , Xiao-Ying Lu , Jiajun Chen , Chi-Wing Tsang , Chunzhen Yang , Shaobo Ouyang","doi":"10.1016/j.surfin.2025.106519","DOIUrl":"10.1016/j.surfin.2025.106519","url":null,"abstract":"<div><div>This study investigated the long-term stability of cobalt (Co) and manganese nitride (Mn<sub>4</sub>N) nanoclusters in the catalytic hydrolysis of a promising hydrogen (H<sub>2</sub>) storage material, ammonia borane (H<sub>3</sub>NBH<sub>3</sub>; AB), to release H<sub>2</sub>. It was previously found that Co nanoparticle/Co single-atom catalysts (Co NP/Co SACs) anchored on carbon nanotubes (CNT) exhibited excellent reactivity and stability towards AB hydrolysis and high performance in the H<sub>2</sub> evolution reaction in alkaline media. Therefore, the current study synthesised CoMn<sub>4</sub>N/Co-Mn-N<em><sub>x</sub></em>-CNT-200–800, a CoMn-based catalyst with Co and Mn<sub>4</sub>N nanocluster active sites, and examined its performance in AB hydrolysis. CoMn<sub>4</sub>N/Co-Mn-N<em><sub>x</sub></em>-CNT-200–800 generated three equivalents of H<sub>2</sub> from AB within 5 min, outperforming the catalytic activity of previously reported Co NPs/Co SACs. Moreover, CoMn<sub>4</sub>N/Co-Mn-N<em><sub>x</sub></em>-CNT-200–800 maintained over 90 % of its initial activity after 50 cycles of AB hydrolysis. This exceptional long-term stability is attributable to CoMn<sub>4</sub>N/Co-Mn-N<em><sub>x</sub></em>-CNT-200–800 bearing Co/Mn<sub>4</sub>N nanoclusters that were strongly adhered onto graphitic layers, thereby preventing metal-atom aggregation and leakage during AB hydrolysis. Thus, CoMn<sub>4</sub>N/Co-Mn-N<em><sub>x</sub></em>-CNT-200–800 displayed a maximum effective H<sub>2</sub> generation rate of 8372 mL<sub>H2</sub>·g<sub>CoMn</sub><sup>−1</sup>·min<sup>−1</sup>. These results highlight the potential of dispersed bimetallic nanocluster catalysts, such as CoMn<sub>4</sub>N-based catalysts, for practical and sustainable H<sub>2</sub> generation via AB hydrolysis. In addition, the insights gained from this study can inform the design of highly active and stable non-precious metal-based catalysts for energy-related applications.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"65 ","pages":"Article 106519"},"PeriodicalIF":5.7,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143869899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bin Du , Ziqi Zhang , Yan Wang , Wanxin Yang , Yusi Chen , Shuxiang Wang , Guangjun Wu
{"title":"CuOx within a self-supported reduced graphene oxide film for the selective oxidation of styrene","authors":"Bin Du , Ziqi Zhang , Yan Wang , Wanxin Yang , Yusi Chen , Shuxiang Wang , Guangjun Wu","doi":"10.1016/j.surfin.2025.106521","DOIUrl":"10.1016/j.surfin.2025.106521","url":null,"abstract":"<div><div>Cu<sup>2+</sup> ions on the surface of Cu-based nanoparticles (NPs) act as active sites for various reactions, including olefin oxidation. However, conventional Cu-based catalysts commonly used in laboratory studies are macroscale and powdery. In this study, we successfully synthesized CuO NPs containing Cu<sup>2+</sup> and oxygen vacancies occupied by hydroxyl groups and metallic Cu (CuOx NPs) through tert‑butylhydroperoxide (TBHP) treatment. These CuOx NPs were encapsulated within a self-supported reduced graphene oxide (rGO) film with a lamellar structure (Cu-V@rGO-film-x) via polyol reduction combined with a cast-drying process. Remarkably, even at a low catalyst dosage (0.75 mol % Cu), [email protected] demonstrated superior catalytic activity compared to conventional sample, achieving significantly higher styrene conversion (82.4 % vs. 30.0 %) by mitigating the aggregation of CuOx@rGO sheets. This indicates that the lamellar structure of Cu-V@rGO-film-x facilitates efficient mass transfer. Moreover, [email protected] exhibited excellent stability, maintaining catalytic activity over four recycling cycles without significant decline. This study presents a facile and controllable strategy for encapsulating CuOx NPs in macroscale thin films with a lamellar structure, offering broad applications in catalysis and providing a rational design methodology for easily recyclable heterogeneous catalysts.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"65 ","pages":"Article 106521"},"PeriodicalIF":5.7,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143870108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Visible light-activated palladium oxide-decorated barium titanate nanocrystals for efficient photocatalytic oxidative desulfurization of thiophene","authors":"Hind Alshaikh , Ahmed Shawky","doi":"10.1016/j.surfin.2025.106498","DOIUrl":"10.1016/j.surfin.2025.106498","url":null,"abstract":"<div><div>Herein, nanostructured barium titanate (BaTiO<sub>3</sub>, BTO) decorated by palladium oxide (PdO) traces (0.5∼2.0 wt. %) were merely constructed to be active under visible light irradiation with a high surface area (130−144 m<sup>2</sup>g<sup>−1</sup>). The produced PdO/BTO nanocomposites exhibited significant activity under visible light through their wide absorption edge (up to 503 nm) and bandgap narrowing (down to 2.46 eV). The photocatalytic desulfurization of thiophene (THP), as an emerging sulfur-containing compound, is performed over the produced PdO/BTO with extensively upgraded efficiency compared to pure BTO or PdO alone. The photocatalytic performance of 2.0 gL<sup>−1</sup> dose of 1.5 % PdO/BTO showed complete desulfurization of 600 ppm sulfur-containing THP within 120 min at a reaction rate constant of 0.0378 min<sup>−1</sup>. In addition, the spent photocatalyst exhibits a sustainable use for five independent cycles with a distinct efficiency of 94 %. This effective photocatalytic activity is related to the visible light capability as well as the efficient separation of photogenerated charge carriers due to the presence of PdO traces. The proposed desulfurization route of THP is also highlighted.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"65 ","pages":"Article 106498"},"PeriodicalIF":5.7,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143874333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Synthesis and characterization of a high-performance magnetic nanocomposite adsorbent from pomegranate pomace waste for tannery wastewater treatment","authors":"Ahlem Khelali , Fatiha Benmahdi , Sami Khettaf , Saima Farooq , Gül Gülenay Hacıosmanoğlu","doi":"10.1016/j.surfin.2025.106480","DOIUrl":"10.1016/j.surfin.2025.106480","url":null,"abstract":"<div><div>Effective management of organic and chemical pollutants is crucial for the leather industry. In this study, a novel magnetic nanocomposite (AC/Fe₃O₄)PP) was synthesized from pomegranate juice processing waste, an agro-industrial byproduct, and used for treating real tannery wastewater from MEGA/EPE-Spa, a local leather industry in Batna, East Algeria (35°33′52.8\"N 6°10′22.5\"E), at three different stages. The pomace waste served as a precursor for activated carbon (AC-PP) production, while its extract functioned as a coating agent for synthesizing magnetic iron oxide nanoparticles (Fe₃O₄@PP-NPs). Combining these two adsorbents yielded the (AC/Fe₃O₄)PP nanocomposite, which demonstrated outstanding adsorption performance. The high surface area of AC (>1400 m²/g) enabled efficient pollutant removal, and the magnetic properties of the Fe₃O₄ component facilitated easy separation and recovery. Detailed characterization of the Fe₃O₄@PP-NPs, AC-PP, and (AC/Fe₃O₄)PP adsorbents was conducted. The optimal doses and contact times were 0.3 g/L for (AC/Fe₃O₄)PP with 30 minutes, 0.5 g/L for AC-PP with 40 minutes, and 0.8 g/L for Fe₃O₄@PP-NPs with 60 minutes, all at an initial concentration of 100 mg/L. The Langmuir isotherm showed high adsorption capacities, with values of 372.37 mg/g for AC, 827.6 mg/g for NPs, and 962.31 mg/g for the (AC/Fe₃O₄)PP nanocomposite. Adsorption mechanism studies revealed a mixed control process involving both external and intraparticle diffusion. The (AC/Fe₃O₄)PP nanocomposite effectively treated tannery wastewater, achieving high removal rates of COD, BOD₅, turbidity, and TDS across all treatment stages. These results position (AC/Fe₃O₄)PP as a promising, cost-effective solution for tannery wastewater treatment, addressing existing gaps in the current literature by offering a sustainable and efficient method for pollutant removal.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"65 ","pages":"Article 106480"},"PeriodicalIF":5.7,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143850106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maxim K. Rabchinskii , Olga E. Glukhova , Victor V. Sysoev , Pavel V. Barkov , Sergei A. Ryzhkov , Dina Yu. Stolyarova , Sviatoslav D. Saveliev , Boris G. Khalturin , Alexey S. Varezhnikov , Maksim A. Solomatin , Maria Brzhezinskaya , Demid A. Kirilenko , Sergei I. Pavlov , Anna V. Polukeeva , Alexander V. Shvidchenko , Maksim V. Gudkov , Nikita D. Prasolov
{"title":"Delving into the effect of ZnO nanoparticles on the chemistry and electronic properties of aminated graphene: Ab initio and experimental probing","authors":"Maxim K. Rabchinskii , Olga E. Glukhova , Victor V. Sysoev , Pavel V. Barkov , Sergei A. Ryzhkov , Dina Yu. Stolyarova , Sviatoslav D. Saveliev , Boris G. Khalturin , Alexey S. Varezhnikov , Maksim A. Solomatin , Maria Brzhezinskaya , Demid A. Kirilenko , Sergei I. Pavlov , Anna V. Polukeeva , Alexander V. Shvidchenko , Maksim V. Gudkov , Nikita D. Prasolov","doi":"10.1016/j.surfin.2025.106501","DOIUrl":"10.1016/j.surfin.2025.106501","url":null,"abstract":"<div><div>The emerging versatile realm of graphene/metal oxide nanoparticles (NPs) composites has boosted the development of energy storage and gas sensing systems. However, with the advancements in deriving composites of more complex designs, the explicit understanding of their physics with respect to chemistry and morphology began to fade. Here, we aspire to hint at the effect of ZnO nanoparticles on aminated graphene, bundling theoretical modeling with thorough experimental examination (Transmission electron microscopy, X-ray photoelectron, X-ray absorption fine structure and valence-band photoemission spectroscopies, and temperature-dependent sheet resistance measurements). Starting with setting up the framework for modeling the Am-ZnO composite with its thorough verification by experimental probing, we stepwise examine the material’s properties. The effect of ZnO surface chemistry on bonding, often neglected theoretically, is highlighted by core-level spectroscopy. In turn, band structure and charge localization alterations induced by ZnO NPs are pointed out experimentally, supplemented with the developed method for conductivity calculations. Given these results, the role of graphene, NPs, and their interface in chemiresistive signal appearance is further featured. Taken together, our results give a hint at the mechanisms underlying the interaction between the metal oxide NPs and derivatized graphene, advancing the engineering of such composites for practical applications.</div></div>","PeriodicalId":22081,"journal":{"name":"Surfaces and Interfaces","volume":"65 ","pages":"Article 106501"},"PeriodicalIF":5.7,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143864527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}