RSC Applied Interfaces最新文献

{"title":"Comment on the “Reaction intermediates recognized by in situ FTIR spectroscopy in CO2 hydrogenation over the Cu/ZnO/SPP-zeolite catalyst” by X. Liu et al., RSC Appl. Interfaces, 2025, 2, 114","authors":"Frederic C. Meunier","doi":"10.1039/D5LF00014A","DOIUrl":"https://doi.org/10.1039/D5LF00014A","url":null,"abstract":"<p >Gaseous CO<small>₂</small> exhibits hundreds of bands in the mid-IR region due to transitions between excited states and isotopologues. The intensity of these bands are orders of magnitude lower than that of the main features and are often misinterpreted as bands of adsorbates.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 3","pages":" 837-838"},"PeriodicalIF":0.0,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/lf/d5lf00014a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143944091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reply to the ‘Comment on the “Reaction intermediates recognized by in situ FTIR spectroscopy in CO2 hydrogenation over the Cu/ZnO/SPP-zeolite catalyst”’ by Comment author F. C. Meunier, RSC Appl. Interfaces, 2025, 2, https://doi.org/10.1039/D5LF00014A","authors":"Xiaobo Yang, Xiaolong Liu, Guangying Fu, Qiaolin Lang, Ruiqin Ding, Qiangsheng Guo, Ke Liang, Shuman Gao and Bing Yu","doi":"10.1039/D5LF00065C","DOIUrl":"https://doi.org/10.1039/D5LF00065C","url":null,"abstract":"<p >We agree with Professor Meunier's comment that the two IR peaks at 2075 and 2060 cm<small>⁻¹</small> belong to CO<small>₂</small> in the cell in the gas phase, and not to Cu–C<img>O. We sincerely appreciate his insightful correction. The correction and conclusion related to the original paper are discussed.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 3","pages":" 839-839"},"PeriodicalIF":0.0,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/lf/d5lf00065c?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143944092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A comprehensive activity-stability correlation study of tantalum-doped tin oxide as a support for iridium oxide in low loading water electrolysis cell anodes.","authors":"Ignacio Jiménez-Morales, Jacques Rozière, Deborah Jones, Sara Cavaliere","doi":"10.1039/d5lf00008d","DOIUrl":"https://doi.org/10.1039/d5lf00008d","url":null,"abstract":"<p><p>A systematic study on the impact of the treatment temperature of IrO _<i>x</i> supported onto doped-tin oxide (1 at% Ta-SnO₂ and 10 at% Sb-SnO₂) fibres led to electrocatalysts with high oxygen evolution reaction activity and resistance to degradation. The electrolytic performance was comparable to that of unsupported commercial IrO₂ with seven times higher loading.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12047618/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144049306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Charge carrier dynamics in semiconductor–cocatalyst interfaces: influence on photocatalytic activities","authors":"Dipendu Sarkar, Jishu Pramanik, Soumita Samajdar, Maitrayee Biswas and Srabanti Ghosh","doi":"10.1039/D5LF00044K","DOIUrl":"https://doi.org/10.1039/D5LF00044K","url":null,"abstract":"<p >Electron transfer dynamics at semiconductor–cocatalyst interfaces are critical for efficient solar fuel generation, including water splitting, pollutant degradation, CO<small>₂</small> reduction, and N<small>₂</small> fixation. These interfaces facilitate charge separation, suppress recombination, and enable photoexcited charge carriers to transfer to active sites for photocatalytic reactions. The formation of Schottky or ohmic junctions, energy band alignment, and surface properties significantly influence charge transfer efficiency. Advances in theoretical modeling, such as density functional theory (DFT) and several experimental techniques like ultrafast spectroscopy and <em>in situ</em> X-ray photoelectron spectroscopy, have offered profound insights into these processes. Understanding and optimizing these dynamics is essential for developing high-performance photocatalytic systems to harness solar energy and address global energy demands sustainably. This review offers a concise explanation of charge transfer mechanisms at semiconductor–cocatalyst interfaces, explored through various experimental methodologies and theoretical frameworks. Exploring the underlying mechanism will open new avenues for advancing high-performance semiconductor photocatalytic technologies. The conclusion sheds light on the challenges and promising opportunities for enhancing the understanding and investigation of interfacial electron transfer dynamics in semiconductor–cocatalyst systems.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 3","pages":" 573-598"},"PeriodicalIF":0.0,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/lf/d5lf00044k?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143944026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Heterojunction photocatalysts: where are they headed?","authors":"Hanggara Sudrajat and Maya Nobatova","doi":"10.1039/D5LF00037H","DOIUrl":"https://doi.org/10.1039/D5LF00037H","url":null,"abstract":"<p >Heterojunction photocatalysts have gained attention for their potential to enhance performance in light-driven, bias-free redox reactions. By integrating two or more semiconducting materials, these photocatalysts exhibit improved light absorption, more efficient charge separation, and enhanced charge transfer. They also enable better alignment of band edge potentials with the redox potentials of reactants, which can promote the selective formation of desired products with higher yields. Recent advancements in characterization techniques and theoretical calculations have provided deeper insights into optimizing charge transfer processes and effectively managing photoexcited charges on the surface. However, key questions remain: how far can heterojunction photocatalysts progress? And what steps are needed to move beyond lab-scale demonstrations? In this perspective, we discuss the status and challenges of heterojunction photocatalysis, aiming to encourage further discussion within the catalysis community to drive this research area toward meaningful progress rather than mere academic hype.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 3","pages":" 599-619"},"PeriodicalIF":0.0,"publicationDate":"2025-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/lf/d5lf00037h?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143944027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of two-photon oxidation and calmodulin functionalization on the performance of graphene field-effect transistor biosensors†","authors":"Aku Lampinen, Aleksei Emelianov, Erich See, Andreas Johansson and Mika Pettersson","doi":"10.1039/D4LF00402G","DOIUrl":"https://doi.org/10.1039/D4LF00402G","url":null,"abstract":"<p >Solution-gated graphene field-effect transistors (GFETs) were fabricated for Ca<small>²⁺</small> sensing. The GFETs were functionalized with two-photon oxidation (2PO) and calmodulin (CaM) immobilization, and the effects of these treatments and polymer residues on the sensor performance were systematically studied. Non-oxidized devices having polymer residues from lithographic processing showed initial LoDs of around 10<small>⁻⁹</small> M and non-oxidized cleaner devices 10<small>⁻⁸</small> M and the response of the devices was stable and reversible. 2PO showed a positive effect on the sensitivity of the devices, increasing the [Ca<small>²⁺</small>] dependent change in resistance at a constant gate voltage roughly by a factor of two, but at the cost of the LoD as 2PO increased the LoDs to up to 10<small>⁻⁶</small> M. CaM functionalization was able to improve the LoD in some cases by two to three orders of magnitude, but its effect was limited most likely due to the intrinsic binding constants of the protein. However, CaM did not have a systematic effect on the magnitude of the response of the devices. Post-lithography polymer residues affected the LoD and response magnitude in a similar manner as 2PO, but also caused less reproducible behavior, indicating that a cleaner GFET surface is preferred for sensor applications.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 3","pages":" 638-647"},"PeriodicalIF":0.0,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/lf/d4lf00402g?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143944035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Conductive RuO2 binders enhance mechanical stability of macroporous Nb–SnO2 particles as cathode catalyst supports for high-performance PEFCs†","authors":"Thi Thanh Nguyen Ho, Tomoyuki Hirano, Aoi Takano, Syu Miyasaka, Eishi Tanabe, Makoto Maeda, Eka Lutfi Septiani, Kiet Le Anh Cao and Takashi Ogi","doi":"10.1039/D4LF00404C","DOIUrl":"https://doi.org/10.1039/D4LF00404C","url":null,"abstract":"<p >Niobium-doped tin oxide (NTO) particles with a macroporous structure have been developed as catalyst supports for enhancing the durability and performance of polymer electrolyte fuel cells (PEFCs). This macroporous architecture improves the mass transport properties of the electrode. However, their weak mechanical strength can cause structural collapse, thereby limiting single-cell performance at high current densities. In this study, we employed ruthenium oxide (RuO<small>₂</small>) as a binder to integrate with macroporous NTO particles (denoted as NTO/RuO<small>₂</small>). This approach simultaneously enhanced the electrical conductivity and mechanical strength of the catalyst supports, improving the performance of PEFCs. Incorporating RuO<small>₂</small> binders effectively stabilized the macroporous structure, and the NTO/RuO<small>₂</small> particles with 50 wt% RuO<small>₂</small> loading maintained their structural integrity under high compression pressures of up to 40 MPa. The aggregated NTO/RuO<small>₂</small> particles containing 50 wt% RuO<small>₂</small> binder also exhibited higher conductivity than the NTO aggregates without RuO<small>₂</small> binder, which was attributed to the conductive network formed by RuO<small>₂</small>. Importantly, the membrane electrode assembly (MEA) fabricated with macroporous NTO/RuO<small>₂</small> particles containing 20 wt% RuO<small>₂</small> binder achieved a maximum current density of 2.16 A cm<small>⁻²</small> at 60 °C and 100% relative humidity (RH), outperforming the MEA utilizing Carbon Vulcan as the support (2.06 A cm<small>⁻²</small>). Furthermore, the enhanced hydrophilic properties of the RuO<small>₂</small> binder improved water retention at the catalyst layer/membrane interface, thus promoting membrane hydration and overall cell performance at a high temperature of 80 °C and a low RH of 30%.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 3","pages":" 795-807"},"PeriodicalIF":0.0,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/lf/d4lf00404c?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143944087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Strongly coupled C@SiOx/MoSe2@NMWCNT heterostructures as anodes for Na+ batteries with excellent stability and capacity†","authors":"Mengru Bian, Yincai Yang, Youwen Chen, Tiantian Wei, Wei Deng, Biao Fu and Renhua Qiu","doi":"10.1039/D4LF00399C","DOIUrl":"https://doi.org/10.1039/D4LF00399C","url":null,"abstract":"<p >Silicon and silicon oxide have become the most prospective anode materials, but the volume variations during charging and discharging have greatly hindered their practical applications. Herein, we constructed a highly ordered, dispersed silicon-molybdenum composite, C@SiO<small>_<em>x</em></small>/MoSe<small>₂</small>@NMWCNT, with a three-layer heterojunction structure. In this approach, molybdenum pentachloride (MoCl<small>₅</small>) reacts with ethylene glycol to form an ethylene glycol-based organomolybdenum complex, which then undergoes a reaction with triphenylchlorosilane, effectively bridging silicon and molybdenum to form an organometallic compound. After <em>in situ</em> selenization and carbonization, the formed SiO<small>_<em>x</em></small> is dispersed in the framework of MoSe<small>₂</small> nanoflaps to form a SiO<small>_<em>x</em></small>/MoSe<small>₂</small> composite structure. It is then adsorbed onto carbon nanotubes (NMWCNTs) with nitrogen-containing active sites, forming a three-layer heterojunction structure with the outer carbon layer. When used as a sodium-ion battery (SIB) anode, C@SiO<small>_<em>x</em></small>/MoSe<small>₂</small>@NMWCNT exhibits an initial discharge-specific capacity (1315 mA h g<small>⁻¹</small> at 0.1 A g<small>⁻¹</small>) and a high capacity of 526 mA h g<small>⁻¹</small> after 300 cycles at 0.5 A g<small>⁻¹</small>, demonstrating excellent long-cycle stability. When the current density reaches 5 A g<small>⁻¹</small>, the specific capacity remains at 415 mA h g<small>⁻¹</small> after 1000 cycles and 353 mA h g<small>⁻¹</small> after 3000 cycles. Even under a high current density of 10 A g<small>⁻¹</small>, the material maintains remarkable cycling stability, delivering a capacity of 177.79 mA h g<small>⁻¹</small> after 3000 cycles, illustrating the high potential of silicon for use in SIBs.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 3","pages":" 827-836"},"PeriodicalIF":0.0,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/lf/d4lf00399c?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143944090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Iron oxide@CoFe-LDH nanocomposites for highly stable aqueous hybrid supercapacitors†","authors":"Harishchandra S. Nishad, Sagar M. Mane, Jaewoong Lee and Pravin S. Walke","doi":"10.1039/D5LF00004A","DOIUrl":"https://doi.org/10.1039/D5LF00004A","url":null,"abstract":"<p >CoFe-LDH (layered double hydroxide) nanomaterials are widely explored as battery-type electrode materials owing to their excellent redox activity, layered structure, and fast ion diffusion. However, their practical application is often hindered by poor cyclic stability. The nanocomposite of CoFe-LDH with iron oxide has great potential to overcome this limitation. The layered structure of CoFe-LDH facilitates a fast ion diffusion and realizes synergistic activities of multiple metal elements, while iron oxide prevents the self-restacking and aggregation of CoFe-LDH layers, which ultimately enhance their structural stability and electrochemical performance. In this work, we prepared an Fe<small>₁₆</small>O<small>₂₀</small>/CoFe-LDH (FO@CoFe-LDH) nanocomposite <em>via</em> a single-step hydrothermal method. As composition tuning was a major concern to regulate the electrochemical performance, two samples with different compositions were prepared by tuning the mole ratios of Co and Fe. Electrochemical investigations of FO@CoFe-LDH1 (3 : 1 ratio of Co : Fe) demonstrated a specific capacity of 84 C g<small>⁻¹</small> at 1 A g<small>⁻¹</small>, while FO@CoFe-LDH2 (3 : 2 ratio of Co : Fe) was limited to 25 C g<small>⁻¹</small> at 1 A g<small>⁻¹</small> in a 6 M KOH electrolyte solution. Furthermore, an aqueous hybrid supercapacitor (AHS) fabricated using FO@CoFe-LDH1 as the positive electrode and activated carbon (AC) as the negative electrode exhibited remarkable cyclic stability, retaining 99.9% after 4000 cycles. This study demonstrates the potential of FO@CoFe-LDH1 nanocomposites as battery-type electrodes for AHS devices, paving the way for durable energy storage devices.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 3","pages":" 808-821"},"PeriodicalIF":0.0,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/lf/d5lf00004a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143944088","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The surface phase diagram of Fe3O4(001) revisited†","authors":"Panukorn Sombut, Matthias Meier, Moritz Eder, Thomas Angerler, Oscar Gamba, Michael Schmid, Ulrike Diebold, Cesare Franchini and Gareth S. Parkinson","doi":"10.1039/D5LF00022J","DOIUrl":"10.1039/D5LF00022J","url":null,"abstract":"<p >Understanding how the physical and electronic structures of metal-oxide surfaces evolve under varying conditions is crucial for optimizing their performance in applications such as catalysis. In this study, we compute the surface phase diagram of the Fe<small>₃</small>O<small>₄</small>(001) facet using density functional theory (DFT)-based calculations, with an emphasis on understanding the terminations observed in surface science experiments. Our results reveal two stable terminations in addition to the subsurface cation vacancy (SCV) structure, which dominates under oxidizing conditions. The commonly reported octahedral Fe pair, also known as the Fe-dimer termination, is stable within an oxygen chemical potential range of −3.1 eV &lt; <em>μ</em><small>_O</small> &lt; −2.3 eV. We identify the lowest-energy structure of this surface as the one proposed by J. R. Rustad, E. Wasserman and A. R. Felmy, A Molecular Dynamics Investigation of Surface Reconstruction on Magnetite (001), <em>Surf. Sci.</em>, 1999, <strong>432</strong>, 1–2, where a tetrahedrally coordinated Fe<small>_A</small> atom is replaced by two octahedrally coordinated Fe<small>_B</small> atoms in the surface layer. This transformation serves as a precursor to the emergence of an FeO-like termination under highly reducing conditions. A key insight from our study is the importance of thoroughly sampling different charge-order configurations to identify the global minima across varying stoichiometries.</p>","PeriodicalId":101138,"journal":{"name":"RSC Applied Interfaces","volume":" 3","pages":" 673-683"},"PeriodicalIF":0.0,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11947718/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143756834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}