Beilstein Journal of Nanotechnology最新文献

{"title":"Facile one-step radio frequency magnetron sputtering of Ni/NiO on stainless steel for an efficient electrode for hydrogen evolution reaction.","authors":"Ha Huu Do, Khac Binh Nguyen, Phuong N Nguyen, Hoai Phuong Pham","doi":"10.3762/bjnano.16.63","DOIUrl":"10.3762/bjnano.16.63","url":null,"abstract":"<p><p>The advancement of affordable, ultrastable, and efficient electrode materials for basic hydrogen evolution reaction (HER) plays a crucial role in industrial hydrogen manufacture, resolving problems caused by carbon dioxide emissions. Ni-based electrocatalysts have been well accepted as potential candidates to replace Pt-based electrocatalysts for HER because of their suitable Gibbs free hydrogen adsorption energy, good intrinsic catalytic properties, and high stability. However, solution-based synthetic approaches can be highly harmful to human beings. In this study, Ni/NiO nanolayers were prepared on stainless steel (SS) via a facile one-step radio frequency magnetron sputtering with various O₂ flow rates. The O₂ flow rate not only changed the crystal phase but also affected the morphology and atomic ratio of materials, leading to optimized HER efficiency. The evaluation of catalytic activities revealed that the optimal sample of Ni/NiO/SS-10 displayed a higher HER performance than bare SS. To produce H₂ at a current density of 10 mA·cm^-2, this electrode required a low overpotential of 184 mV and demonstrated remarkable durability over 12 h of operation. The high efficiency is attributed to the collaborative work of the NiO and Ni metal components and the good electrical conductivity of SS, which is advantageous for dissociative adsorption of water molecules, recombination of hydrogen atoms, and improvement of electronic/ionic motion. This work may introduce a facile and eco-friendly strategy for fabricating noble metal-free, efficient nanomaterials for electrocatalytic HER.</p>","PeriodicalId":8802,"journal":{"name":"Beilstein Journal of Nanotechnology","volume":"16 ","pages":"837-846"},"PeriodicalIF":2.6,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12152313/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144274139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synthesis and magnetic transitions of rare-earth-free Fe-Mn-Ni-Si-based compositionally complex alloys at bulk and nanoscale.","authors":"Shabbir Tahir, Tatiana Smoliarova, Carlos Doñate-Buendía, Michael Farle, Natalia Shkodich, Bilal Gökce","doi":"10.3762/bjnano.16.62","DOIUrl":"10.3762/bjnano.16.62","url":null,"abstract":"<p><p>Magnetic phase transitions at the Curie temperature are essential for applications like magnetocaloric refrigeration, magnetic sensors, and actuators, but the reliance on costly, scarce rare-earth materials limits sustainability. Developing affordable, rare-earth-free materials with tunable magnetic properties and scalable miniaturization methods is vital for advancing technology. We present a comprehensive synthesis approach for rare-earth-free compositionally complex alloys (CCAs) with magnetic phase transitions, spanning from bulk materials to nanoparticles. Specifically, we investigate Mn_22.3Fe_22.2Ni_22.2Ge_16.65Si_16.65 (Ge-based CCA) and Mn_0.5Fe_0.5NiSi_0.93Al_0.07 (Al-based CCA). The bulk materials are prepared by ball milling and spark plasma sintering or powder pressing and sintering. Nanoparticles (NPs) from the bulk materials are synthesized by pulsed laser ablation in liquid. Magnetization measurements confirm a ferromagnetic-to-paramagnetic phase transition in bulk alloys, with <i>T</i> _c = 179 K for Ge-based CCA and <i>T</i> _c = 263 K for Al-based CCA. At the nanoscale, both Ge- and Al-based NPs exhibit superparamagnetic behaviour, with blocking temperatures of <i>T</i> _B ≈ 120 K for Ge-based NPs (<i>x</i> _c = 13.4 ± 15.5 nm, average particle size) and <i>T</i> _B ≈ 100 K for Al-based NPs (<i>x</i> _c = 18.4 ± 9.1 nm, average particle size), demonstrating the intrinsic superparamagnetic nature of NPs. While the Ge-based CCA demonstrates almost twice the saturation magnetization (<i>M</i> _s) and ≈20% lower hysteresis (<i>H</i> _c) in bulk form, the Al-based CCA exhibits comparable <i>M</i> _s and ≈45% lower <i>H</i> _c at the nanoscale at 5 K. These results indicate that the Al-based CCA is a promising, cost-effective alternative to Ge-based CCA at nanoscale, providing an economically viable and cost-effective alternative for nanoscale-based applications.</p>","PeriodicalId":8802,"journal":{"name":"Beilstein Journal of Nanotechnology","volume":"16 ","pages":"823-836"},"PeriodicalIF":2.6,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12152319/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144274142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Supramolecular hydration structure of graphene-based hydrogels: density functional theory, green chemistry and interface application.","authors":"Hon Nhien Le, Duy Khanh Nguyen, Minh Triet Dang, Huyen Trinh Nguyen, Thi Bang Tam Dao, Trung Do Nguyen, Chi Nhan Ha Thuc, Van Hieu Le","doi":"10.3762/bjnano.16.61","DOIUrl":"10.3762/bjnano.16.61","url":null,"abstract":"<p><p>Natural hydration shells are discovered to play an essential role in the structure and function of biomolecules (deoxyribonucleic acid, protein, and phospholipid membrane). Hydration layers are also important to the structure and property of artificial graphene-based materials. Our recent works prove that graphene-based hydrogels are supramolecular hydration structures that preserve graphene nanosheets from the restacking through hydrophobic force, van der Waals force, and π-π interaction. In this manuscript, density functional theory and high-performance computing (HPC) are used for modeling and calculating van der Waals force between graphene nanosheets in water-intercalated AB bilayer graphene structures. A layer of water molecules significantly decreases the intersheet van der Waals force. A novel hydrogel of graphene oxide-silica gel-zinc hydroxide (GO-SG-ZH) is experimentally synthesized to demonstrate the advantages of hydrated hydrogel structure in comparison with dry powder structure. The synthesis of graphene-based hydrogels is a green chemistry approach to attain extraordinary properties of graphene-based nanostructures. Analytical characterizations exhibited moisture contents, water evaporation rates, three-dimensional structures, elemental compositions, aqueous dispersibility, and antibacterial activities. Hydration shells on graphene-based nanosheets in the hydrogel increase intersheet distances to prevent the stacking of the nanostructures. Hydration layers in the GO-SG-ZH hydrogel was also lubricative for direct brush coating on polymer substrates, typically polylactide films. Interfacial adhesion of graphene-based nanosheets on polylactide substrates made the antibacterial coating stable for several application purposes. In general, supramolecular graphene-based hydrogels are bioinspired hydration structures to advance nanoscale properties and nanotechnology applications.</p>","PeriodicalId":8802,"journal":{"name":"Beilstein Journal of Nanotechnology","volume":"16 ","pages":"806-822"},"PeriodicalIF":2.6,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12152314/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144274141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Morphology and properties of pyrite nanoparticles obtained by pulsed laser ablation in liquid and thin films for photodetection.","authors":"Akshana Parameswaran Sreekala, Bindu Krishnan, Rene Fabian Cienfuegos Pelaes, David Avellaneda Avellaneda, Josué Amílcar Aguilar-Martínez, Sadasivan Shaji","doi":"10.3762/bjnano.16.60","DOIUrl":"10.3762/bjnano.16.60","url":null,"abstract":"<p><p>This work reports the synthesis of pyrite (iron disulfide (FeS₂)) nanoparticles (NPs) of different morphologies using pulsed laser ablation in liquid (PLAL) in different organic solvents. The impact of the solvent on the morphological, compositional, and optical properties of the synthesized NPs is investigated by techniques such as transmission electron microscopy, scanning electron microscopy, X-ray photoelectron spectroscopy, and ultraviolet-visible spectroscopy. The morphology of the NPs in different solvents varied from spherical, rice-like to rod-like particles which demonstrates the effect of the solvent on the morphology/composition of NPs synthesized by PLAL. FeS₂ NPs were successfully synthesized in five different solvents, along with a minor phase of iron sulfide (FeS). Additionally, by combining electrophoretic deposition and spin-coating techniques, thin film photodiodes of FeS₂ were fabricated on an n-type Si substrate utilizing the nanocolloids. The structural, morphological and electrical characterizations of the films are also presented. By sulfurization of the films, phase-pure pyrite thin films are obtained. The photodetection range was up to 785 nm photocurrent in the order of 10^-6 to 10^-4 A for different annealing conditions and a detectivity in the order of 10⁶-10⁸ Jones is attained. The FeS₂/n-Si photodetector works in self-powered mode also in addition to the photoconductive mode. The results show the effective fabrication of nanostructured ultraviolet-visible-near infrared thin film photodetectors using semiconductor nanocolloids prepared by PLAL.</p>","PeriodicalId":8802,"journal":{"name":"Beilstein Journal of Nanotechnology","volume":"16 ","pages":"785-805"},"PeriodicalIF":2.6,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12152315/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144274140","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Thickness dependent oxidation in CrCl₃: a scanning X-ray photoemission and Kelvin probe microscopies study.","authors":"Shafaq Kazim, Rahul Parmar, Maryam Azizinia, Matteo Amati, Muhammad Rauf, Andrea Di Cicco, Seyed Javid Rezvani, Dario Mastrippolito, Luca Ottaviano, Tomasz Klimczuk, Luca Gregoratti, Roberto Gunnella","doi":"10.3762/bjnano.16.58","DOIUrl":"10.3762/bjnano.16.58","url":null,"abstract":"<p><p>The modifications in the electronic properties induced by the thickness and size of an individual flake of transition-metal halides on different substrates (silicon oxide or In-doped tin oxide) are of particular technological interest, even more in the case of chromium trihalides (CrX₃, X = Cl, Br, and I), whose longer lifetime under ambient conditions is particularly intriguing. By using synchrotron-based scanning photoelectron microscopy with a resolution of 0.1 μm and Kelvin probe force microscopy, we evaluated the surface modification reaction and the surface potential. Our results established the correlations of the two latter properties with the thickness of flakes, observing a natural tendency to preserve their characteristic when the flakes have significantly less thickness. This is in contrast to thicker flakes, which show alteration patterns similar to those observed in bulk-cleaved samples (Kazim, S.; Mastrippolito, D.; Moras, P.; Jugovac, M.; Klimczuk, T.; Ali, M.; Ottaviano, L.; Gunnella, R. <i>Phys. Chem. Chem. Phys.</i> <b>2023</b>, <i>25</i>, 3806-3814. https://doi.org/10.1039%2FD2CP04586A%29. This preliminary study investigates interfaces made by dry transfer of CrCl₃ flakes in an atmospheric environment. Cl vacancies and the formation of O/CrCl₃ are induced, serving as dissociation centers that facilitate the migration of Cl vacancies between the top and bottom surfaces. By manipulating 2D atomic layers via surface oxidation or the introduction of surface vacancies, a novel and versatile approach is unveiled for the development of low-dimensional multifunctional nanodevices.</p>","PeriodicalId":8802,"journal":{"name":"Beilstein Journal of Nanotechnology","volume":"16 ","pages":"749-761"},"PeriodicalIF":2.6,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12152317/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144274143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Changes of structural, magnetic and spectroscopic properties of microencapsulated iron sucrose nanoparticles in saline.","authors":"Sabina Lewińska, Pavlo Aleshkevych, Roman Minikayev, Anna Bajorek, Mateusz Dulski, Krystian Prusik, Tomasz Wojciechowski, Anna Ślawska-Waniewska","doi":"10.3762/bjnano.16.59","DOIUrl":"10.3762/bjnano.16.59","url":null,"abstract":"<p><p>The structural and physical properties of microencapsulated iron sucrose and their changes upon dissolution in saline were tested. For the undissolved sample, calcium alginate microcapsules with irregular shapes were registered via scanning electron microscopy, inside which core-shell nanoparticles were identified by transmission electron microscopy micrographs. Magnetic studies (DC and AC) performed on the undissolved sample revealed the presence of a low temperature blocking process (<<i>T</i> _B> ≈ 10 K), and confirmed its superparamagnetic state between 70- 250 K. X-ray photoelectron spectroscopy and Raman studies showed a varied composition of the undissolved sample in which organic compounds and SiO₂ are the major phases, while the iron phase was recognized as iron oxyhydroxide (FeOOH) (most probably the α polymorph). The dissolution procedure had significant influence on structural and physical properties of the investigated compound, such as lowering of the blocking temperature with the dissolution time. Electron paramagnetic resonance (EPR) studies performed on the completely dissolved sample revealed that some of the Fe³⁺ ions became paramagnetic, while the rest remained exchange coupled into clusters. The nonintentional manganese contamination was determined using EPR in the completely dissolved sample.</p>","PeriodicalId":8802,"journal":{"name":"Beilstein Journal of Nanotechnology","volume":"16 ","pages":"762-784"},"PeriodicalIF":2.6,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12152318/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144274138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Serum heat inactivation diminishes ApoE-mediated uptake of D-Lin-MC3-DMA lipid nanoparticles.","authors":"Demian van Straten, Luuk van de Schepop, Rowan Frunt, Pieter Vader, Raymond M Schiffelers","doi":"10.3762/bjnano.16.57","DOIUrl":"10.3762/bjnano.16.57","url":null,"abstract":"<p><p>Nanoparticles play a crucial role in drug delivery research. The protein corona that develops on the surface of nanoparticles after administration has garnered substantial attention due to the significant effects it has on their performance. Lipid nanoparticles (LNPs) depend on protein corona formation to mediate their targeting. Such protein-nanoparticle interactions are often initially studied using in vitro cellular models aiming to eventually understand biodistribution and cargo delivery efficiency of the LNPs in vivo. For in vitro cell culture, fetal calf serum (FCS) is supplemented to culture media to provide nutrients and promote cell viability and growth. Heat inactivation of FCS is often performed to prevent complement system activation. However, the effect of this process on protein corona formation and, in turn, LNP functionality is unclear. Here, we investigated the effects of serum heat inactivation on protein corona formation on LNPs containing D-lin-MC3-DMA (MC3) or C12-200 (C12) ionizable lipids. Cellular uptake and siRNA delivery efficiency of the LNPs were determined in media containing untreated or heat-inactivated serum. Mechanistically, we found that apolipoprotein E, a protein corona component that is crucial for MC3 LNP tropism, displayed reduced stability and functionality upon heat inactivation of FCS, thereby negatively influencing uptake and cargo delivery of MC3 LNPs, but not C12 LNPs. Our results underline the importance of overlooked factors in in vitro experiments that can inadvertently affect LNP performance. These findings can help to improve protocols to study protein corona formation in vitro and prevent bias in LNP development<i>.</i></p>","PeriodicalId":8802,"journal":{"name":"Beilstein Journal of Nanotechnology","volume":"16 ","pages":"740-748"},"PeriodicalIF":2.6,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12130627/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144214794","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Synthesis of a multicomponent cellulose-based adsorbent for tetracycline removal from aquaculture water.","authors":"Uyen Bao Tran, Ngoc Thanh Vo-Tran, Khai The Truong, Dat Anh Nguyen, Quang Nhat Tran, Huu-Quang Nguyen, Jaebeom Lee, Hai Son Truong-Lam","doi":"10.3762/bjnano.16.56","DOIUrl":"10.3762/bjnano.16.56","url":null,"abstract":"<p><p>Excessive use of tetracycline (TC) antibiotics in aquaculture, particularly in Vietnam, has contributed to environmental contamination and economic losses. To address this problem, we developed a novel cellulose-based multicomponent adsorbent material (PGC) synthesized from sodium carboxymethyl cellulose and investigated factors influencing its TC adsorption capacity. The synthesis process was optimized using parameters derived from the response surface methodology. The surface and structural properties of PGC were characterized, and the TC adsorption efficiency of PGC was assessed using high-performance liquid chromatography-mass spectroscopy (HPLC-MS). Elemental analysis of PGC identified four key mechanisms governing its endothermic TC adsorption mechanism: surface complexation, electrostatic interactions, hydrogen bonding, and CH-π interactions, with surface complexation between Ca²⁺ and TCs being dominant. Batch adsorption experiments conducted to examine the factors influencing adsorption capacity revealed that PGC achieved up to 70% TC removal efficiency at an adsorbent dosage of 40 mg and an initial TC concentration of 60 mg·L^-1 at pH 6-7, reaching equilibrium after 12 h. The surface characteristics and structural properties of PGC were determined using various material characterization techniques, including FTIR, SEM, EDX, and BET. Verification experiments under optimal conditions confirmed that the adsorption process followed second-order kinetics and the Langmuir adsorption isotherm model. Under optimal experimental conditions, a maximum adsorption capacity (<i>q</i> _m) of 123.2 mg·g^-1 was estimated using the Langmuir isotherm model. These findings indicate that PGC demonstrates strong potential as an effective adsorbent for the removal of average 70% TC antibiotic residues, particularly oxytetracycline, chlortetracycline, TC, and doxycycline.</p>","PeriodicalId":8802,"journal":{"name":"Beilstein Journal of Nanotechnology","volume":"16 ","pages":"728-739"},"PeriodicalIF":2.6,"publicationDate":"2025-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12130628/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144214802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficiency of single-pulse laser fragmentation of organic nutraceutical dispersions in a circular jet flow-through reactor.","authors":"Tina Friedenauer, Maximilian Spellauge, Alexander Sommereyns, Verena Labenski, Tuba Esatbeyoglu, Christoph Rehbock, Heinz P Huber, Stephan Barcikowski","doi":"10.3762/bjnano.16.55","DOIUrl":"10.3762/bjnano.16.55","url":null,"abstract":"<p><p>Nutraceuticals provide health benefits and particularly profit from a sensitive, high-purity production process. Microparticle laser fragmentation in liquids is an emerging technique for the contamination-free comminution of organic drugs and nutraceuticals aiming at solubility enhancements. However, current discontinuously operated fragmentation setups suffer from chemical degradation by multipulse laser excitation at high fluence and do not allow for systematic studies of the fragmentation mechanisms. In this work, continuous-flow microparticle laser fragmentation in liquids with ultrashort-pulsed lasers was studied in a circular jet reactor using curcumin and cannabidiol as model substances and single-pulse-per-volume element conditions to compare the fragmentation efficiency for these two nutraceuticals. Fragmentation efficiency based on the yield of submicrometer particles and nanoparticles was quantified using UV-vis extinction spectroscopy, scanning electron microscopy, and analytical centrifugation, while high-performance liquid chromatography determined degradation. We found improved fragmentation efficiency at lower mass concentrations. In all experiments, chemical degradation was minimal (<2%), and increased mass concentration of curcumin enabled ultralow by-product formation of 0.01%. The process selectivity against degradation was defined by the application-relevant descriptor of mole degradation per produced submicrometer particle surface and quantified regarding feedstock mass concentration and nutraceutical type. Cytotoxicity in HepG2 cancer cells was significantly reduced in cells treated with laser-processed curcumin in comparison to unirradiated curcumin controls, and antioxidant effects were proven, ensuring high viability even at high curcumin concentrations.</p>","PeriodicalId":8802,"journal":{"name":"Beilstein Journal of Nanotechnology","volume":"16 ","pages":"711-727"},"PeriodicalIF":2.6,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12130626/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144214793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nanostructured materials characterized by scanning photoelectron spectromicroscopy.","authors":"Matteo Amati, Alexey S Shkvarin, Alexander I Merentsov, Alexander N Titov, María Taeño, David Maestre, Sarah R McKibbin, Zygmunt Milosz, Ana Cremades, Rainer Timm, Luca Gregoratti","doi":"10.3762/bjnano.16.54","DOIUrl":"10.3762/bjnano.16.54","url":null,"abstract":"<p><p>Nanostructured materials play a key role in modern technologies adding new functionalities and improving the performance of current and future applications. Due to their nature resulting in diffused heterogeneous structures (chemical and electronic composition typically organized in phases or building blocks) characterizing these materials needs state of the art technologies which combine nanometer spatial resolution, environmental reliability, and operando capabilities. Scanning photoelectron spectromicroscopy (SPEM) is one of the characterization tools that combine high spectral resolution X-ray photoelectron spectroscopy with submicron spatial resolution. In particular, the SPEM equipment hosted at the ESCA microscopy beamline at Elettra is capable of in situ and operando analysis regardless of sample morphology. The review presents three different case studies illustrating the capabilities of SPEM in the investigation of catalytic materials in different conditions and processes.</p>","PeriodicalId":8802,"journal":{"name":"Beilstein Journal of Nanotechnology","volume":"16 ","pages":"700-710"},"PeriodicalIF":2.6,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12117204/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144172643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}