Nanoscale最新文献

{"title":"Bridge Solubility in Liquid Metals Enables the Synthesis of Ultrathin Fluorine-Doped Tin Oxide","authors":"Bejaie Gale,Ali Zavabeti,Masoomeh Asgharnejad-Laskoukalayeh,Yuqin Wang,Nieves Flores,Andris Šutka,Kourosh Kalantar-Zadeh,Mohammad B. Ghasemian","doi":"10.1039/d6nr03250h","DOIUrl":"https://doi.org/10.1039/d6nr03250h","url":null,"abstract":"Fluorine-doped tin oxide (FTO) exhibits the nexus of transparency, electrical conductivity, heat resistivity, and reduced reliance on critical minerals, making it vital in solar panels, IR-reflective glass, and optical electronics. This work leverages the synergistic combination of two emerging liquid metal-based concepts—liquid metal doping and liquid metal bridge solubility—for the generation of ultrathin FTO layers, reducing reliance on current energy-intensive and hazardous chemical vapour deposition (CVD) processes. Here, tin (Sn) and silver fluoride (AgF) are melted together to form a homogeneous liquid, from which the surface oxide is transferred onto a solid substrate. While Ag plays an essential role in facilitating the incorporation and solubility of F in Sn, its presence at the liquid metal surface is restricted due to its very low tendency to oxidise at the surface. The technology enables the harvesting of multilayer architectures at moderately low temperatures and under ambient atmospheric conditions. The harvested FTO nanosheets exhibited a thickness of up to 10 nm, enhanced conductivity, and a transparency of 80% in the visible region. Tin oxide (SnO₂), obtained from a similar liquid metal-based deposition process, was also used as a reference for comparison. This work validates the feasibility of liquid metal-based technology for the efficient synthesis of ultrathin doped oxides as a potential alternative to complex and energy-intensive state-of-the-art sputtering and CVD techniques.","PeriodicalId":92,"journal":{"name":"Nanoscale","volume":"21 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2026-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149173205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"CH₃OH-induced structural optimization of ZIF-9 for efficient C₃H₆/C₃H₈ separation.","authors":"Jiaqi Wen, Hao Yu, Jiakai Shi, Xiaoyu Miao, Shi Liu, Jingyu Cai, Linxi Hou","doi":"10.1039/d6nr02466a","DOIUrl":"10.1039/d6nr02466a","url":null,"abstract":"<p><p>The efficient separation of C₃H₆ and C₃H₈ is a challenging industrial process. In this study, flexible ZIF-9 was modified by methanol solvent exchange to improve C₃H₆/C₃H₈ separation. The framework topology remained intact, while solvent-induced effects optimized the micropore size distribution, enhanced structural flexibility and enabled guest-responsive pore opening. Dynamic breakthrough tests showed that modified ZIF-9-II exhibited a significantly improved separation window, enabling effective separation in both propylene-rich and propane-rich mixtures with good cycling stability. This work demonstrates that methanol-mediated solvent exchange is an effective strategy to modulate the ZIF-9 pore structure and boost C₃H₆/C₃H₈ separation performance.</p>","PeriodicalId":92,"journal":{"name":"Nanoscale","volume":" ","pages":"21232-21237"},"PeriodicalIF":5.2,"publicationDate":"2026-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149023289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Co/N-codoped hierarchical porous carbon nanoreactors for catalytic polysulfide conversion in long-cycling potassium–sulfur batteries","authors":"Bo Wang,Siyu Wu,Zhuo Gao,Fei Yuan,Qujiang Sun,Zhaojin Li,Di Zhang","doi":"10.1039/d6nr03113g","DOIUrl":"https://doi.org/10.1039/d6nr03113g","url":null,"abstract":"Potassium–sulfur (K–S) batteries are promising candidates for low-cost and high-energy-density energy storage, but their development is limited by the shuttle effect of soluble potassium polysulfides and sluggish solid–liquid–solid sulfur redox kinetics. Herein, a Co/N-codoped hierarchical porous carbon nanoreactor, denoted as N-PC@dCo, is constructed from a PDA-coated ZnCo-ZIF precursor through controlled carbonization. During pyrolysis, Zn evaporation generates abundant hierarchical pores, the PDA-derived carbon shell strengthens physical confinement and electronic conductivity, and Co/N active sites provide polar adsorption and catalytic centers for potassium polysulfide conversion. Benefiting from the integrated confinement-adsorption-catalysis effect, the N-PC@dCo/S cathode effectively suppresses polysulfide migration, accelerates K2S nucleation/decomposition, and reduces sulfur redox polarization. As a result, the optimized sample delivers a high reversible capacity of 868.2 mAh g−1 after 50 cycles at 0.1 A g−1, and maintains a long cycling stability over 1000 cycles at a high current density of 5 A g−1. Mechanistic studies reveal that the synergistic effect between Co species and N-doping sites effectively accelerates the redox kinetics of polysulfides, thereby significantly suppressing the shuttle effect. This work provides a rational nanoreactor design strategy for regulating potassium polysulfide chemistry toward durable K–S batteries.","PeriodicalId":92,"journal":{"name":"Nanoscale","volume":"85 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2026-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149173207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Self-Supporting VO 2 @MXene Electrode with the Boosted Zn 2+ (De)intercalation Kinetics and Cycling Stability for Aqueous Zincion Battery","authors":"Yan Yan,Xingyuan Wu,Jiayi Rui,Ying Lu,Keying Cai,Jie Zhou","doi":"10.1039/d6nr02957d","DOIUrl":"https://doi.org/10.1039/d6nr02957d","url":null,"abstract":"Vanadium dioxide (VO2) with the high theoretical capacity is one of the promising cathodes of aqueous zinc-ion batteries (AZIBs) for safe and sustainable energy storage. But the poor electrical conductivity and structural degradation have limited the rate performance and long-term stability. Herein, we present a self-supporting hierarchical VO2@MXene electrode without current collector and additive for AZIBs, where VO2 nanostructures are intimately anchored within a highly conductive MXene layers. The highly conductive and highly flexible Mxene forms a high-conductivity network, facilitating the rapid transmission of electrons/ions, while providing a buffer for the structural changes of VO2, effectively promoting the structural robustness during the cycling process. Systematic investigation reveals a strong synergistic effect between VO2 and MXene. With an optimal VO2-to-MXene mass ratio of 1:1, the cathode delivers a high discharge capacity of 587.7 mA h g -1 at 1 A g -1 and maintains a remarkable capacity of 361.1 mA h g -1 after 1000 cycles at 5 A g -1 . This work presents a transformative strategy for achieving high-energy-density AZIB in flexible electronics and large-scale grid storage through the design of a self-supporting electrode architecture that eliminates the use of current collectors, binders, and conductive additives.","PeriodicalId":92,"journal":{"name":"Nanoscale","volume":"37 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2026-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149173196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Polarized emission from semiconductor lead-halide perovskite nanocrystals.","authors":"Xueying Ma, Yan Lv, Xiaoyong Wang, Zhi-Gang Yu","doi":"10.1039/d6nr02156e","DOIUrl":"https://doi.org/10.1039/d6nr02156e","url":null,"abstract":"<p><p>Semiconductor lead-halide perovskite nanocrystals (NCs) have recently emerged as one of the leading fluorescent materials, owing to their high fluorescence quantum yield, large absorption coefficient, tunable bandgap energy, and good defect tolerance. Unique features of the optical emissions from perovskite NCs are their high brightness and narrow linewidth with multifarious linear and circular polarization patterns. Directly connected to the microscopic wavefunctions, quantum numbers, and optical selection rules of the exciton states, these polarization patterns are susceptible to electric and magnetic fields, and amenable to the NC size, geometry, and surrounding environment. As such, they can be utilized to accurately probe and manipulate the exciton populations, spin polarizations, and spin-dependent many-body interactions of perovskite NCs, promising novel quantum and spintronic applications such as entangled photon sources and spin light-emitting diodes. In this article, we survey recent experimental progress made in the room- and cryogenic-temperature optical studies of linearly and circularly polarized emissions in perovskite NCs, elucidate the microscopic origins and underlying physics, and evaluate existing strategies to control and manipulate these polarizations. We also bring up key challenges in this nascent field and share our perspectives on a set of future research directions that exploit the polarized emission of perovskite NCs, aiming to spawn new opportunities for their use in both classical optoelectronic devices and emerging quantum information technology.</p>","PeriodicalId":92,"journal":{"name":"Nanoscale","volume":" ","pages":""},"PeriodicalIF":5.2,"publicationDate":"2026-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149177868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Fibroblast-derived exosomes in wound healing and regenerative medicine: mechanisms, therapeutic potential, and clinical perspectives","authors":"Sih-Chi Chuang,Pei-Chia Hung,Lekshmi Rethi,Pei-Wei Weng,Hoa Duc Chau,Van Khiet Pham,Anh Thuy Vo,Hieu Trung Nguyen,Chia-Ling Chang,Andrew E-Y. Chuang","doi":"10.1039/d6nr01426g","DOIUrl":"https://doi.org/10.1039/d6nr01426g","url":null,"abstract":"Skin wound healing is a complex biological process involving coordinated interactions among fibroblasts, immune cells, keratinocytes, endothelial cells, and extracellular matrix (ECM) components. Chronic and diabetic wounds remain significant clinical challenges due to persistent inflammation, oxidative stress, impaired angiogenesis, and defective tissue remodeling. Fibroblast-derived exosomes have recently emerged as promising cell-free therapeutic nanovesicles capable of regulating intercellular communication during tissue repair. These nanosized extracellular vesicles (EVs) carry diverse bioactive cargos, including microRNAs, proteins, lipids, and growth factors, which modulate inflammation, angiogenesis, cell proliferation, migration, and ECM remodeling. Recent studies have demonstrated that fibroblast-derived exosomes can accelerate wound closure, enhance granulation tissue formation, improve epidermal barrier restoration, and reduce oxidative stress in both normal and diabetic wound models. Beyond the intrinsic regenerative properties of these exosomes, increasing attention has focused on their integration with biomaterials, hydrogels, and scaffold-based delivery systems to achieve sustained and localized therapeutic effects. However, challenges such as cargo heterogeneity, isolation standardization, scalability, reproducibility, and biosafety evaluation continue to limit their clinical translation. This review summarizes the biological functions, regenerative mechanisms, and therapeutic applications of fibroblast-derived exosomes in wound healing while emphasizing translational challenges, biomaterial-assisted delivery strategies, and future perspectives for precision regenerative medicine.","PeriodicalId":92,"journal":{"name":"Nanoscale","volume":"408 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2026-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149173211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Discovery of a vacancy-modified T'-hexaferrite phase in hydrothermally synthesized barium ferrite nanoplatelets.","authors":"Darko Makovec, Matic Poberžnik, Nilesh Kumar, Janvit Teržan, Petra Jenuš Belec, Ivan Raič, Anton Meden, Goran Dražić, Sašo Gyergyek","doi":"10.1039/d6nr02585d","DOIUrl":"https://doi.org/10.1039/d6nr02585d","url":null,"abstract":"<p><p>Hydrothermal synthesis of Co-substituted barium hexaferrite nanoplatelets (NPLs) revealed the formation of a previously unreported hexaferrite-related phase at elevated Co concentrations. At low Co contents (BaFe_12-<i>x</i>Co_<i>x</i>O₁₉, <i>x</i> ≤ 0.09), Co was incorporated into M-type barium hexaferrite NPLs. Atomic-resolution STEM imaging revealed depletion of trigonal Fe(2b) lattice sites in the as-synthesized particles, resulting in strongly reduced magnetic properties. Annealing at 800 °C restored the M-type structure and recovered the magnetic performance. At higher Co concentrations, a new platelet-shaped hexaferrite phase formed together with minor amounts of cobalt ferrite. X-ray diffraction and atomic-resolution HAADF-STEM imaging showed that this phase is structurally related to Ba₂Co₉O₁₄, which consists of T'-type structural blocks, but differs markedly from the reported structure through depletion of the Co2 lattice sites located in the middle of the T' block. The new T'-hexaferrite exhibits a composition close to Ba₂Fe_9-<i>y</i>Co_<i>y</i>O₁₄ (<i>y</i> ≈ 2-4), displays hard-magnetic behaviour, and remains stable up to approximately 900 °C. Density functional theory calculations combined with atomistic thermodynamics identified a Co2-site-depleted structural model that provides the best agreement with both the experimental STEM observations and the thermodynamic stability conditions relevant to hydrothermal synthesis. Solid-state synthesis at 800 °C further supports the conclusion that the T'-hexaferrite is a thermodynamically stable phase rather than a transient hydrothermal product. These findings demonstrate that transition-metal substitution can stabilize previously inaccessible vacancy-modified hexaferrite structures and provide new insight into the interplay between defect chemistry, phase stability, and crystal-structure evolution in complex oxide nanoplatelets.</p>","PeriodicalId":92,"journal":{"name":"Nanoscale","volume":" ","pages":""},"PeriodicalIF":5.2,"publicationDate":"2026-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149178103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Three-dimensional ZnO tetrapods for high-performance supercapacitors: experimental and theoretical insights.","authors":"Sahil Jangra, Aadil Rashid Lone, Maryam Samanian, Kavita Pandey, Mani Govindasamy, Subhankar Das, M S Goyat","doi":"10.1039/d6nr02067d","DOIUrl":"https://doi.org/10.1039/d6nr02067d","url":null,"abstract":"<p><p>The advancement of high-performance electrode materials is essential for improving the performance of electrochemical supercapacitors. In the present study, ZnO tetrapods (ZT) were successfully synthesized <i>via</i> a flame transport synthesis (FTS) technique and investigated as electrode materials for energy storage applications. The structural and physicochemical properties of the synthesized ZT were systematically characterized using XRD, FTIR, Raman spectroscopy, DRS, electron microscopy, and XPS, verifying the formation of highly crystalline wurtzite ZnO with a well-defined tetrapodal morphology. The electrochemical behavior of the ZT electrode was assessed using a three-electrode setup in 1 M KOH electrolyte, exhibiting a high specific capacitance of 263.7 F g^-1 at 1 A g^-1, with a pronounced decrease in the specific capacitance at higher current densities, indicating limited rate capability. To further examine its practical implementation, an asymmetric supercapacitor device was developed using ZnO tetrapods as the positive with activated carbon as the negative electrode in a CR-2032 coin-cell configuration. The fabricated ASC device operated within an extended potential window of 1.6 V and exhibited a maximum energy density of 35.5 Wh kg^-1 at a power density of 159 W kg^-1. Moreover, the device demonstrated excellent long-term stability with 88% capacitance retention after 10 000 charge-discharge cycles. Density functional theory calculations were further used to examine the ZnO structure, phonon properties, and quantum capacitance behavior of ZnO, providing theoretical insight into its charge storage mechanism. The combined experimental and theoretical findings demonstrate that the unique three-dimensional tetrapodal architecture facilitates efficient ion diffusion and electron transport, highlighting its potential for high-performance supercapacitor applications.</p>","PeriodicalId":92,"journal":{"name":"Nanoscale","volume":" ","pages":""},"PeriodicalIF":5.2,"publicationDate":"2026-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149177856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Energy-time entanglement from a monolithically integrated quantum dot on silicon.","authors":"Marcel Hohn, Imad Limame, Peter Ludewig, Chirag C Palekar, Aris Koulas-Simos, Kerstin Volz, Stephan Reitzenstein","doi":"10.1039/d6nr02565j","DOIUrl":"https://doi.org/10.1039/d6nr02565j","url":null,"abstract":"<p><p>Scalable quantum photonic technologies require deterministic sources of entangled photons that are compatible with established semiconductor manufacturing platforms. While self-assembled III-V semiconductor quantum dots are among the most promising sources of on-demand entanglement generation, their integration with silicon-based architectures remains a central challenge. Here, we demonstrate energy-time entanglement from a single InGaAs/GaAs quantum dot monolithically grown on a silicon substrate. Under resonant two-photon excitation, we achieve coherent control of the biexciton-exciton cascade, evidenced by the formation of dressed-states and Rabi oscillations. Using a four-channel Franson interferometer, we observe phase-dependent two-photon interference with visibilities up to (64.0 ± 7.0)% for a 80 ps integration window (and (49.4 ± 1.9)% for a 1600 ps window), approaching the threshold for Bell inequality violation at short timescales. Despite these constraints, the observation of Franson interference establishes monolithic III-V-on-silicon quantum dots as viable sources of energy-time entangled photons. These results represent a crucial step toward fully integrated, silicon-substrate-compatible quantum photonic circuits for large-scale quantum communication and information processing.</p>","PeriodicalId":92,"journal":{"name":"Nanoscale","volume":" ","pages":""},"PeriodicalIF":5.2,"publicationDate":"2026-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149178044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Two-step passivation of Br defects for fluorapatite supported CsPbBr 3 quantum dots with successive enhancement of photoluminescence performance","authors":"Haohao Cao,Yanjie Zhang,Chuan-Jin Hou","doi":"10.1039/d6nr02375d","DOIUrl":"https://doi.org/10.1039/d6nr02375d","url":null,"abstract":"All-inorganic lead halide perovskite quantum dots (QDs) show great promise for applications in display and lighting due to their excellent optical properties. However, the existence of Br vacancies in CsPbBr 3 QDs generally deteriorates the stability and photoluminescence properties. Herein, two-step passivation of Br vacancies is employed to improve the stability and the luminescence efficiency of CsPbBr 3 QDs, in which fluorapatite (FAP) is acted as the support to load CsPbBr 3 QDs. Interestingly, FAP supported CsPbBr 3 (CsPbBr 3 /FAP) QDs can effectively endure the high temperature calcination (even 600 °C) and maintain the particle size (of ~3.0 nm) after calcination at 400 °C, subsequently resulting in the significant enhancement of the photoluminescence intensity by ~131 times compared to unloaded CsPbBr 3 QDs. XPS measurements indicate that Pb-F and Pb-O coordination bonds are formed after twostep passivation, respectively, which greatly reduces the trap density and effectively suppresses the non-radiative complexation and subsequently leads to an abnormal enhancement of photoluminescence properties. Accordingly, CsPbBr 3 /FAP QDs powders demonstrate promising application in light-emitting diodes and display technologies and latent fingerprints in forensic detection. This work provides a twostep passivation strategy on Br vacancies to improve the stability and luminescence efficiency of CsPbBr 3 QDs.","PeriodicalId":92,"journal":{"name":"Nanoscale","volume":"21 1","pages":""},"PeriodicalIF":6.7,"publicationDate":"2026-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149152782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}