Applied Surface Science最新文献_第6页

A confined strategy towards ZIF-L-derived ZnO nanowires-N-doped carbon@Ti3C2Tx nanosheets for the detection of sunset yellow

IF 6.3 2区材料科学

Applied Surface Science Pub Date : 2025-03-02 DOI: 10.1016/j.apsusc.2025.162859

Xuan Liu, Yong Zhang, Yun-Qing Liu

{"title":"A confined strategy towards ZIF-L-derived ZnO nanowires-N-doped carbon@Ti3C2Tx nanosheets for the detection of sunset yellow","authors":"Xuan Liu, Yong Zhang, Yun-Qing Liu","doi":"10.1016/j.apsusc.2025.162859","DOIUrl":"10.1016/j.apsusc.2025.162859","url":null,"abstract":"<div><div>The space-confined synthesis methods have highlighted in the field of electrochemical applications, which provides a relatively independent nanospace unlike open space to obtain high-performance nanomaterials. Herein, a novel space-confined pyrolytic process of metal–organic framework (MOF)-derived nanomaterial has been proposed by using few-layer Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> nanosheets to wrap Au nanoparticles@zeolitic imidazole framework-L precursor. Since the coating of Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> provides a special decomposition environment, a uniquely hierarchical Au nanoparticles-ZnO nanowires@N-doped carbon@Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> nanosheets (AuNPs-ZnONWs@NC@Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub>) has been obtained for the electrochemical detection of sunset yellow. The establish sensor based on AuNPs-ZnONWs@NC@Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> shows 1 – 40 μM and 40 – 170 μM of two-stage linear ranges, and 6.6 nM of detection limit. More importantly, a series of control experiments demonstrate the compositional and structural advantages of AuNPs-ZnONWs@NC@Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub>. First, AuNPs with electrocatalytic activity induce the formation of ZnONWs. Second, ZnONWs with cross-linking structure not only provide more active sites, but also prevent stacking of two-dimensional nanosheets. Third, NC with conductivity and hydrophilia immobilize AuNPs on the surfaces of Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> nanosheets. Fourth, Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> nanosheets with metallic conductivity support AuNPs, ZnONWs and NC, which provide the synergistic effect of platform. Such work provides a new idea for the design of space-confined synthesis based on MOF-derived material towards electrochemical application.</div></div>","PeriodicalId":247,"journal":{"name":"Applied Surface Science","volume":"694 ","pages":"Article 162859"},"PeriodicalIF":6.3,"publicationDate":"2025-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143532907","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}

引用次数: 0

Constructing metal/metal heterointerfaces in lamellar structured FeSiCr@Fe3O4 composites for stable, strong and broad microwave absorption via FeSiAl nanoparticles embedding

IF 6.3 2区材料科学

Applied Surface Science Pub Date : 2025-03-01 DOI: 10.1016/j.apsusc.2025.162849

Shuwei Ma, Tao Jing, Yuanhong Wan, Fengyuan Shen, Xianguo Liu

{"title":"Constructing metal/metal heterointerfaces in lamellar structured FeSiCr@Fe3O4 composites for stable, strong and broad microwave absorption via FeSiAl nanoparticles embedding","authors":"Shuwei Ma, Tao Jing, Yuanhong Wan, Fengyuan Shen, Xianguo Liu","doi":"10.1016/j.apsusc.2025.162849","DOIUrl":"10.1016/j.apsusc.2025.162849","url":null,"abstract":"<div><div>Despite the extensive development of dielectric-magnetic composite as microwave absorbing materials, the dielectric component always dilutes the magnetic contribution, leading to impedance mismatching. In this study, the metal/metal interface is constructed within a lamellar structured FeSiCr, aiming to enhance magnetic loss and reduce permittivity in GHz band for stable, strong and broad absorption performance through the embedding of ∼ 10 nm FeSiAl nanoparticle. The lamellar structure facilitates multiple scattering and provides additional loss capability, thereby enhancing their dissipation capability. FeSiAl nanoparticles impede the electron transitions at FeSiCr-FeSiAl interface, thereby decreasing permittivity. Meanwhile, these nanoparticles supplement magnetic contributions, amplifying magnetic loss and resonance frequency. Compared with previously reported FeSi-based materials, the composite effectively balances strong absorption, stability, and wideband of microwave absorption with thin thickness. By adjusting milling time, the composite achieves a minimal reflection loss (<em>RL<sub>m</sub></em>) of −73.1 dB at 1.6 mm and an effective absorption bandwidth (<em>EAB</em>) of 5.95 GHz at 1.7 mm. When <em>EAB</em> changes by 10 % and <em>RL<sub>m</sub></em> exceeds −20 dB, the corresponding thickness ranges are 1.6–2.0 mm for <em>EAB</em> and 1.3–3.4 mm for <em>RL<sub>m</sub></em>, respectively. Additionally, the radar cross section reduction values are larger than 10 dB·m<sup>2</sup> in the frequency range of 11.5 to 17.3 GHz, proving that constructing a metal/metal interface is a novel perspective for efficient microwave absorber.</div></div>","PeriodicalId":247,"journal":{"name":"Applied Surface Science","volume":"694 ","pages":"Article 162849"},"PeriodicalIF":6.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143525989","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}

引用次数: 0

Facile preparation of sulfur-rich carbon anodes from rubber scraps for lithium-ion batteries

IF 6.3 2区材料科学

Applied Surface Science Pub Date : 2025-03-01 DOI: 10.1016/j.apsusc.2025.162732

Heewon Jin , Han Young Jung , Youngtae Lee , Gaeun Cho , Hyunji Jang , Tae Hwa Hong , Jung Tae Lee , Dalsu Choi

{"title":"Facile preparation of sulfur-rich carbon anodes from rubber scraps for lithium-ion batteries","authors":"Heewon Jin , Han Young Jung , Youngtae Lee , Gaeun Cho , Hyunji Jang , Tae Hwa Hong , Jung Tae Lee , Dalsu Choi","doi":"10.1016/j.apsusc.2025.162732","DOIUrl":"10.1016/j.apsusc.2025.162732","url":null,"abstract":"<div><div>In this study, crosslinked nature of rubber scrap was exploited to eliminate the need for the stabilization process, a crosslinking process that is a prerequisite for carbonization of organic precursors. Nitrile butadiene rubber (NBR) scrap was selected as a representative rubber scrap. By comparing crosslinked NBR scrap to pristine, non-crosslinked NBR, it could be confirmed that the crosslinked structure enables direct conversion into a carbon material. Further, the carbon structure of NBR scrap derived carbon was interrogated by carbonizing NBR scrap at various temperatures. As a result, it was revealed that the NBR derived carbon is a hard carbon. Moreover, NBR scrap derived carbon contained significant amount of heteroatoms. NBR scrap carbonized at 800 °C (CNS-800) exhibited a nitrogen content of 1.32 %, derived from nitrogen in the NBR, and a sulfur content of 5.3 %, originating from sulfur added during rubber molding process. Thanks to these heteroatoms, which enhance lithium-ion battery (LIB) anode performance, CNS-800 delivered high performance, achieving 244 mAh g<sup>−1</sup> at 1C over 300 cycles when applied as a LIB anode. This study demonstrates that NBR scrap can be efficiently carbonized in a one-step process to obtain sulfur-rich materials that enhance LIB anode performance without additional stabilization.</div></div>","PeriodicalId":247,"journal":{"name":"Applied Surface Science","volume":"694 ","pages":"Article 162732"},"PeriodicalIF":6.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143526307","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}

引用次数: 0

A remarkable inversion of oxidation rate and unique oxide morphology of Cu60Zr40 metallic glass at 100–300 °C 100-300 °C 下 Cu60Zr40 金属玻璃氧化率的明显反转和独特的氧化物形态

IF 6.3 2区材料科学

Applied Surface Science Pub Date : 2025-03-01 DOI: 10.1016/j.apsusc.2025.162851

Caiyun Liu , Binbin Liu , Zumin Wang , Gerhard Wilde , Yi Qiao , Feng Ye

引用次数: 0

Surface dipole induced Ohmic contact in two-dimensional Sc2CTT’/graphene heterostructures

IF 6.3 2区材料科学

Applied Surface Science Pub Date : 2025-03-01 DOI: 10.1016/j.apsusc.2025.162846

Zehan Liu , Yurong An , Sandong Guo , Fuchun Zhang , Zhuo Xu , Ruhai Du , Gangqiang Zhu

{"title":"Surface dipole induced Ohmic contact in two-dimensional Sc2CTT’/graphene heterostructures","authors":"Zehan Liu , Yurong An , Sandong Guo , Fuchun Zhang , Zhuo Xu , Ruhai Du , Gangqiang Zhu","doi":"10.1016/j.apsusc.2025.162846","DOIUrl":"10.1016/j.apsusc.2025.162846","url":null,"abstract":"<div><div>Schottky electrical contact occurs at the metal–semiconductor heterstructures (MSHs) that are comprised of metallic graphene eletrode and most of two-dimensional (2D) semiconductors, which seriously degrades the electronic devices’ performance. Herein, we proposed a family of 2D Sc<sub>2</sub>CTT’ semiconductors through eliminating the surface electrons of Sc<sub>2</sub>C electride. We exploited these Sc<sub>2</sub>CTT’ as channel materials to construct graphene-based MSHs and achieved their Ohmic contacts with low contact resistance. The Sc<sub>2</sub>CClH/graphene form a <em>p</em>-type Schottky contact (Shc) with a tiny SBH (∼0.1 eV), the Sc<sub>2</sub>CHCl/graphene exhibits a <em>p</em>-type Ohmic contact (Ohc), and the Sc<sub>2</sub>CClOH/graphene favors an intrinsic <em>n</em>-type Ohc. These excellent electric contacts are owing to the intrinsic and distinctive electronic characters where the band edge electronic states reside in the inner Sc<sub>2</sub>C layer while the outer H (or OH) and Cl layers only act as encapsulation layers. Furthermore, the <em>p</em>-type Shc easily transforms into the <em>p</em>-type Ohc for Sc<sub>2</sub>CClH/graphene, and the Ohc of Sc<sub>2</sub>CHCl/graphene and Sc<sub>2</sub>CClOH/graphene are well retained under perpendicular electric fields. This can be explained by the counteraction between external electric fields and intrinsic built-in electric fields. This study demonstrates that the surface dipole of 2D semiconductors with asymmetric bonding can greatly impact the interface contact properties.</div></div>","PeriodicalId":247,"journal":{"name":"Applied Surface Science","volume":"695 ","pages":"Article 162846"},"PeriodicalIF":6.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143528229","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}

引用次数: 0

Enhanced corrosion resistance of magnesium alloy via surface transfer of microwave-synthesized, non-toxic, and ultra-smooth nitrogen-doped amorphous carbon thin film

IF 6.7 2区材料科学

Applied Surface Science Pub Date : 2025-03-01 DOI: 10.1016/j.apsusc.2025.162847

Adarsh Rai, Mateusz Szczerba, Joanna Karbowniczek, Kamil Cichocki, Michal Krzyzanowski, Szymon Bajda, Grzegorz D. Sulka, Michał Szuwarzyński, Krystian Sokołowski, Björn Wiese

{"title":"Enhanced corrosion resistance of magnesium alloy via surface transfer of microwave-synthesized, non-toxic, and ultra-smooth nitrogen-doped amorphous carbon thin film","authors":"Adarsh Rai, Mateusz Szczerba, Joanna Karbowniczek, Kamil Cichocki, Michal Krzyzanowski, Szymon Bajda, Grzegorz D. Sulka, Michał Szuwarzyński, Krystian Sokołowski, Björn Wiese","doi":"10.1016/j.apsusc.2025.162847","DOIUrl":"https://doi.org/10.1016/j.apsusc.2025.162847","url":null,"abstract":"Magnesium (Mg) alloys are increasingly recognized as a promising material for the next generation of implants due to their biocompatibility, favorable mechanical strength, and ability to biodegrade effectively in physiological environments. However, their clinical utility is hindered by rapid corrosion. This study introduces and investigates the application of an ultrathin, ultrasmooth, and corrosion-resistant nitrogen-doped amorphous carbon (a-C:N) thin film on a magnesium alloy (Mg-0.5Zn-0.2Ca) for the first time. The a-C:N film was synthesized using a polymer composite based on branched polyethyleneimine and subsequently applied to the magnesium alloy surface to enhance its corrosion resistance. Comprehensive characterization using advanced techniques confirmed the amorphous nature of the synthesized film, revealing the presence of sp<sup>2</sup>-C, sp<sup>3</sup>-C, and C-N bonds. AFM analyses and electrochemical corrosion tests demonstrated that the synthesized a-C:N film exhibits excellent corrosion resistance and reduces the corrosion rate of the substrate. Additionally, cytotoxicity tests indicated that the film is non-toxic and compatible for orthopedic implant applications, thereby expanding the potential clinical use of Mg-based implants. Carbon, being a biocompatible and inert nonmetallic element, makes it a suitable choice for enhancing the biocompatibility and corrosion resistance of Mg-based implants.","PeriodicalId":247,"journal":{"name":"Applied Surface Science","volume":"15 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143526309","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}

引用次数: 0

CXCR4-binding peptide-functionalized M1 macrophage vesicle-coated micelles for enhanced targeting and 6BIO-mediated cancer combination therapy

IF 6.3 2区材料科学

Applied Surface Science Pub Date : 2025-03-01 DOI: 10.1016/j.apsusc.2025.162745

Yeonwoo Jang, Hansoo Park

{"title":"CXCR4-binding peptide-functionalized M1 macrophage vesicle-coated micelles for enhanced targeting and 6BIO-mediated cancer combination therapy","authors":"Yeonwoo Jang, Hansoo Park","doi":"10.1016/j.apsusc.2025.162745","DOIUrl":"10.1016/j.apsusc.2025.162745","url":null,"abstract":"<div><div>Conventional chemotherapy is often limited by off-target effects and drug resistance, which lead to suboptimal therapeutic efficacy. To address these challenges, we developed a CXCR4-binding peptide-functionalized core/shell nanocarrier composed of M1 macrophage-derived vesicles coated with micelles loaded with 6-bromoindirubin-3′-oxime (6BIO). This core/shell nanocarrier employed surface engineering to enhance the targeting of CXCR4-overexpressing cancer cells. Functionalization with CXCR4-binding peptides significantly improved surface interactions, resulting in enhanced cellular uptake and localized drug release in cancer cells. Surface-modified core/shell nanocarriers not only enhance chemotherapeutic efficacy but also boost immunotherapeutic responses and improve overall therapeutic outcomes. Following hybrid vesicle coating on micelles, colorectal carcinoma cell migration was significantly inhibited, and cytotoxicity against colorectal carcinoma cells markedly increased. <em>In vitro</em> studies confirmed the synergistic effects of 6BIO-mediated chemotherapy and macrophage vesicle-driven immunotherapy, establishing a novel platform for highly specific combination cancer therapies.</div></div>","PeriodicalId":247,"journal":{"name":"Applied Surface Science","volume":"695 ","pages":"Article 162745"},"PeriodicalIF":6.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143526176","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}

引用次数: 0

Nanowire-template-assisted NiMo catalyst for efficient hydrogen evolution in anion-exchange membrane water electrolyzers

IF 6.3 2区材料科学

Applied Surface Science Pub Date : 2025-03-01 DOI: 10.1016/j.apsusc.2025.162842

Kyeong-Rim Yeo , Hong Seong Park , Sunbeom Ahn , Sang Hyun Ahn , Soo-Kil Kim

{"title":"Nanowire-template-assisted NiMo catalyst for efficient hydrogen evolution in anion-exchange membrane water electrolyzers","authors":"Kyeong-Rim Yeo , Hong Seong Park , Sunbeom Ahn , Sang Hyun Ahn , Soo-Kil Kim","doi":"10.1016/j.apsusc.2025.162842","DOIUrl":"10.1016/j.apsusc.2025.162842","url":null,"abstract":"<div><div>The development of efficient electrocatalysts for the alkaline hydrogen evolution reaction (HER) is of paramount importance for addressing energy challenges and achieving decarbonization. This paper reports the preparation of low cost NiMo/Co-nanowire (NW)/carbon paper (CP) catalysts using a simple two-step electrodeposition process. The Co-NW template was prepared by optimizing the Co deposition potential and time on a CP substrate. Next, binary NiMo was electrodeposited onto the Co-NW templates to prepare NiMo/Co-NW/CP catalysts. The developed catalyst exhibited high performance toward the HER in an alkaline environment, necessitating a mere 85 mV overpotential in 1 M potassium hydroxide to achieve a current density of −10 mA cm<sup>−2</sup> and sustaining high stability over 100 h at the same operating current density. This excellent performance can be attributed to a 1.66-fold increase in active site exposure, from 24.5 mF cm<sup>−2</sup> to 40.8 mF cm<sup>−2</sup>, due to the use of the Co-NW template, as substantiated by electrochemical double-layer capacitance measurements. Consequently, the HER activity of NiMo/Co-NW/CP was markedly enhanced in relation to that of NiMo/CP. The NiMo/Co-NW/CP catalyst was employed as a cathode of an anion-exchange membrane water electrolyzer, which exhibited an exceptional performance of 1.52 A cm<sup>−2</sup> at 2.0 V<sub>cell</sub>.</div></div>","PeriodicalId":247,"journal":{"name":"Applied Surface Science","volume":"694 ","pages":"Article 162842"},"PeriodicalIF":6.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143526312","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}

引用次数: 0

Enhancement of Laser-Induced Damage Threshold of HfO2 Thin Films via Substrate Heating During Magnetron Sputtering

IF 6.3 2区材料科学

Applied Surface Science Pub Date : 2025-03-01 DOI: 10.1016/j.apsusc.2025.162853

Siqing Zhang , Chunyang Wang , Donghao Li , Weigang Zhang , Xiaoxu Huang , Jie Zhu

{"title":"Enhancement of Laser-Induced Damage Threshold of HfO2 Thin Films via Substrate Heating During Magnetron Sputtering","authors":"Siqing Zhang , Chunyang Wang , Donghao Li , Weigang Zhang , Xiaoxu Huang , Jie Zhu","doi":"10.1016/j.apsusc.2025.162853","DOIUrl":"10.1016/j.apsusc.2025.162853","url":null,"abstract":"<div><div>Hafnium oxide (HfO<sub>2</sub>) thin film is a promising material for high-power laser systems. However, the laser-induced damage threshold (LIDT) is often limited by thermal accumulation. In this study, we enhance the LIDT of HfO<sub>2</sub> thin films by 84 %, increasing it from an initial value of 6.42 J/cm<sup>2</sup> to 11.79 J/cm<sup>2</sup>, by optimizing substrate temperature during magnetron sputtering deposition. The improved LIDT is demonstrated to be attributed to significant changes in the thermal conductivity, and specific heat capacity of the thin films, driven by substrate temperature-induced modifications in the crystalline structure and density. The effects of substrate temperature on the properties of HfO<sub>2</sub> thin films are systematically investigated, including LIDT, crystalline structure, surface morphology, and optical properties. Notably, the HfO<sub>2</sub> thin film with higher surface roughness is found to also benefit for enhancing the LIDT of film. We reveal that the thermal accumulation is significantly reduced by systematically analyzing the damage morphology, which is linked to improved thermal conductivity and specific heat capacity by substrate heating. The temperature gradient distribution and ablation dynamics within the damage zone at various substrate temperatures are simulated to further understand the role of substrate heating. The results demonstrated that substrate heating could effectively reduce temperature gradients and improve localized thermal accumulation in the HfO<sub>2</sub> thin films. The substrate heating plays a critical role in enhancing both the thermal conductivity and surface roughness of HfO<sub>2</sub> thin films, which together contribute to an improvement in their LIDT. These findings offer a novel approach for fabricating high-LIDT HfO<sub>2</sub> thin films, enabling their application in high-power laser optical systems.</div></div>","PeriodicalId":247,"journal":{"name":"Applied Surface Science","volume":"695 ","pages":"Article 162853"},"PeriodicalIF":6.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143528250","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}

引用次数: 0

Rapid synthesis of ultrafine Ru nanoparticles loaded on N-doped hollow mesoporous carbon spheres via a microwave method for electrocatalytic hydrogen evolution applications

IF 6.3 2区材料科学

Applied Surface Science Pub Date : 2025-03-01 DOI: 10.1016/j.apsusc.2025.162854

Yong Zhou , Yiyang Zhou , Jiamei Liu , Yanan Zhu , Bin Yang , Jian Lv , Bing Li , Xiaoyang Liu

{"title":"Rapid synthesis of ultrafine Ru nanoparticles loaded on N-doped hollow mesoporous carbon spheres via a microwave method for electrocatalytic hydrogen evolution applications","authors":"Yong Zhou , Yiyang Zhou , Jiamei Liu , Yanan Zhu , Bin Yang , Jian Lv , Bing Li , Xiaoyang Liu","doi":"10.1016/j.apsusc.2025.162854","DOIUrl":"10.1016/j.apsusc.2025.162854","url":null,"abstract":"<div><div>The production and utilization of hydrogen energy are important for achieving green and sustainable development and are among the most crucial strategies for realizing the efficient use of renewable energy. Electrolysis of water is a promising way to obtain clean hydrogen energy. Ru-loaded carbon materials have a wide application prospect in the field of water electrolysis because of their high catalytic activity, good stability, and relatively low cost. In this study, we realized the in situ anchoring of ultrafine Ru nanoparticles on N-doped hollow mesoporous carbon nanospheres (NHMCS) within 15 min <em>via</em> microwave solvothermal pyrolysis of metal carbonyl compounds. We obtained Ru/NHMCS-15–5 catalysts with excellent alkaline hydrogen evolution properties. Cyclic voltammetry (CV) testing in the range of hydrogen desorption potential and electrochemical <em>in-situ</em> Raman spectroscopy indicated that the high electrocatalytic hydrogen reaction activity of Ru/NHMCS-15–5 may stem from its strong H<sub>2</sub>O adsorption capacity and moderate H adsorption strength. Density function theory (DFT) calculation results indicated that the electronic synergetic effect between Ru clusters and NHMCS enable to regulate the charge distribution of Ru/NHMCS and reduce the Gibbs free energy of formation of intermediate species for water dissociation process, thereby accelerating the electrocatalytic kinetics of HER.</div></div>","PeriodicalId":247,"journal":{"name":"Applied Surface Science","volume":"694 ","pages":"Article 162854"},"PeriodicalIF":6.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143528231","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}

引用次数: 0