Small Methods最新文献_第9页

An Optimized Fibrous Network by Collaborative Slowing Aggregation Kinetics and Enhancing Intermolecular Interactions via a Co-Solvent Combined With Solid Additive Strategy Enables 20% Efficient Organic Solar Cells. 协同减缓聚集动力学和增强分子间相互作用的优化纤维网络通过助溶剂结合固体添加剂策略实现了20%效率的有机太阳能电池。

IF 8.7 2区材料科学

Small Methods Pub Date : 2026-09-30 DOI: 10.1002/smtd.71089

Hanyue Gao, Luzhuo Li, Yu Shen, Mingyu Zuo, Difeng Luo, Zhiming Zhou, Hongxiang Li, Zhongxiang Peng, Xianshao Zou, Qiang Zhang, Rui Zhang, Yanchun Han

{"title":"An Optimized Fibrous Network by Collaborative Slowing Aggregation Kinetics and Enhancing Intermolecular Interactions via a Co-Solvent Combined With Solid Additive Strategy Enables 20% Efficient Organic Solar Cells.","authors":"Hanyue Gao, Luzhuo Li, Yu Shen, Mingyu Zuo, Difeng Luo, Zhiming Zhou, Hongxiang Li, Zhongxiang Peng, Xianshao Zou, Qiang Zhang, Rui Zhang, Yanchun Han","doi":"10.1002/smtd.71089","DOIUrl":"https://doi.org/10.1002/smtd.71089","url":null,"abstract":"A well-defined fibrous network is important for efficient exciton dissociation and charge transport in organic solar cells (OSCs). However, forming such fibrous morphology is difficult to control in polymer:non-fullerene acceptor (NFA) systems, mainly because of the relatively weak intermolecular interactions between components and fast film formation dynamics. Herein, we propose a co-solvent combined with solid additive strategy to synchronously regulate film formation kinetics and tune the intermolecular interaction in D18:L8-BO systems. The high-boiling-point co-solvent, trichloroethylene (TCE) slows evaporation and promotes uniform aggregation, while the high-melting-point solid additive, 5,6-dibromo-2,1,3-benzothiadiazole (BBT) enhances intermolecular interactions and prolongs crystallization. In situ characterizations reveal that both the liquid-phase stage and liquid-to-solid transition stage of D18 and L8-BO in the blend are prolonged effectively. As a result, an optimized fibrous network with a wider fiber diameter (10.94 nm) is formed. The enlarged coherence lengths of D18:L8-BO in both out-of-plane (010) and (100) directions indicate enhanced molecular packing and structural ordering. These optimized fibrous ordered structures enhance exciton dissociation, suppress charge recombination, and enable more balanced charge transport. Consequently, the optimized devices achieve a power conversion efficiency (PCE) of 20.18%.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e71089"},"PeriodicalIF":8.7,"publicationDate":"2026-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149079236","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

Emerging Nanoscale Platforms for Precision Glycan Analysis: Molecular Fingerprinting, Nanopore Sensing, and Spatial Readouts. 新兴的精密聚糖分析纳米级平台：分子指纹，纳米孔传感和空间读出。

IF 8.7 2区材料科学

Small Methods Pub Date : 2026-09-30 DOI: 10.1002/smtd.71078

Jiaqi Li, Wei Lai, Guoxiong Wang, Xinmiao Liang, Guangyan Qing

{"title":"Emerging Nanoscale Platforms for Precision Glycan Analysis: Molecular Fingerprinting, Nanopore Sensing, and Spatial Readouts.","authors":"Jiaqi Li, Wei Lai, Guoxiong Wang, Xinmiao Liang, Guangyan Qing","doi":"10.1002/smtd.71078","DOIUrl":"https://doi.org/10.1002/smtd.71078","url":null,"abstract":"Glycans present two intrinsic properties that make nanoscale analysis a necessity rather than a refinement: a microheterogeneity that arises from non-templated biosynthesis, and a structural information density that surpasses that of nucleic acids and proteins by orders of magnitude. Both demand readout at the level of the individual molecule, on scales from the chemical bond to the residue to the spatial register. Five emerging platforms now meet these requirements along complementary dimensions. Tip-enhanced Raman spectroscopy reads single glycosidic linkages through vibrational fingerprints. Electrospray ion beam deposition coupled to low-temperature scanning tunneling microscopy resolves connectivity, stereochemistry, and intact glycoconjugate architecture on individual molecules. Engineered nanopores translate single-molecule translocations into linkage- and modification-specific ionic-current signatures in solution. High-resolution cryo-electron microscopy places glycans within hydrated higher-order assemblies as explicit atomic models. Ångström-resolution fluorescence imaging resolves individual glycans on intact cell surfaces. This Review examines each platform from the standpoint of its working principle, the structural variables it resolves, and the methodological boundary it currently defines, with attention to the recurring trade-offs they negotiate across chemistry, physiology, ensemble, and interpretation. The mature contribution of these platforms will be the conversion of glycan structure from inventory into mechanism.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e71078"},"PeriodicalIF":8.7,"publicationDate":"2026-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149079273","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

Mitigating Piezoelectric Screening Effect Via ZnO@ZnSe Core-Shell Heterojunction for Efficient H₂O₂-Mediated Piezocatalytic Uranium Immobilization. 通过ZnO@ZnSe核壳异质结减轻压电屏蔽效应的高效h2o2介导的压电催化铀固定化。

IF 8.7 2区材料科学

Small Methods Pub Date : 2026-09-30 DOI: 10.1002/smtd.71083

Song Li, Yingting Yang, Bahareh Khezri, Huaijuan Zhou

{"title":"Mitigating Piezoelectric Screening Effect Via ZnO@ZnSe Core-Shell Heterojunction for Efficient H2O2-Mediated Piezocatalytic Uranium Immobilization.","authors":"Song Li, Yingting Yang, Bahareh Khezri, Huaijuan Zhou","doi":"10.1002/smtd.71083","DOIUrl":"https://doi.org/10.1002/smtd.71083","url":null,"abstract":"The sustainable expansion of nuclear power hinges on securing uranium supply and managing radioactive wastewater, yet conventional recovery methods suffer from low capacity, poor selectivity, and sluggish kinetics. Piezocatalysis offers a promising alternative, but its efficacy in single-phase materials is restricted by the piezoelectric screening effect. Herein, we construct a zinc oxide@zinc selenide (ZnO@ZnSe) heterojunction as a high-performance piezocatalyst for ultrasound-stimulated uranium recovery. A spontaneous interfacial built-in electric field with a ZnO-to-ZnSe orientation is established at the heterojunction, which actively mitigates the potential screening effect and amplifies the piezoelectric polarization. Consequently, the optimized ZnO@ZnSe-10 delivers an excellent uranium uptake capacity of 1372.7 mg·g-1, high extraction selectivity, and good cycling stability. Mechanistic investigations elucidate a hydrogen peroxide (H2O2)-mediated piezocatalytic cascade: piezoelectrons convert dissolved oxygen (O2) to superoxide radicals (•O2 -), whose disproportionation generates in situ H2O2 that oxidatively precipitates soluble hexavalent uranyl ions (UO2 2+) as insoluble crystalline uranyl peroxide hydrates ((UO2)O2·2H2O and UO3·2H2O). Density functional theory (DFT) calculations further confirm that the interfacial electric field lowers the thermodynamic barrier for key oxygen-containing intermediates, thereby promoting sustained H2O2 production for uranium recovery. This work establishes a general strategy to overcome the piezoelectric screening effect, providing a feasible strategy for high-efficiency uranium extraction.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e71083"},"PeriodicalIF":8.7,"publicationDate":"2026-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149101449","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

Scalable Spray Processing Resolves the Dimensionality-Transport Trade-off in Lead-Free Indoor Photovoltaics. 可扩展喷雾处理解决无铅室内光伏的尺寸传输权衡。

IF 8.7 2区材料科学

Small Methods Pub Date : 2026-09-29 DOI: 10.1002/smtd.71072

Francesco Lamberti, Remah Elrashedy, Arpita Sarkar, Marcello Righetto, Ribhu Bhatia, Pietro Ostellari, Nicola Dengo, Mariangela Ruggeri, Rosaria Verduci, Andrea Basagni, Carlo Scian, Manas Ranjan Samantaray, Abhisek Chakraborty, Zeynab Skafi, Thomas Meredith Brown, Guilin Liu, Jiacheng He, Zhubing He, Giovanna D'Angelo, Sara Pescetelli, Camilla Ferrante, Simone Meloni, Teresa Gatti, Antonio Agresti

{"title":"Scalable Spray Processing Resolves the Dimensionality-Transport Trade-off in Lead-Free Indoor Photovoltaics.","authors":"Francesco Lamberti, Remah Elrashedy, Arpita Sarkar, Marcello Righetto, Ribhu Bhatia, Pietro Ostellari, Nicola Dengo, Mariangela Ruggeri, Rosaria Verduci, Andrea Basagni, Carlo Scian, Manas Ranjan Samantaray, Abhisek Chakraborty, Zeynab Skafi, Thomas Meredith Brown, Guilin Liu, Jiacheng He, Zhubing He, Giovanna D'Angelo, Sara Pescetelli, Camilla Ferrante, Simone Meloni, Teresa Gatti, Antonio Agresti","doi":"10.1002/smtd.71072","DOIUrl":"https://doi.org/10.1002/smtd.71072","url":null,"abstract":"Scalable processing of lead-free perovskite-inspired absorbers is often constrained by a fundamental trade-off: the structural reconstruction needed to improve electronic dimensionality can simultaneously introduce anisotropic textures that hinder vertical charge extraction. Here we show that this trade-off can be overcome in vacancy-ordered antimony halides by coupling ultrasonic spray deposition with solvent- and halide-mediated crystallization control. Using Cs3Sb2I9-xClx as a model system, we developed an ambient-air deposition process followed by annealing under an N2/SbI3 atmosphere route based on an amide-free 2-methoxyethanol/butanol solvent mixture that yields compact, pinhole-free films without high-boiling amide solvents. Chloride incorporation directs annealing-induced reconstruction from a zero-dimensional dimeric phase to a layered polymorph, while grazing-incidence wide-angle X-ray scattering reveals that this transformation occurs without generating a strongly detrimental crystallographic texture. Transient absorption spectroscopy further shows suppressed self-trapping and longer-lived band-edge carriers after dimensional reconstruction. As a result, the layered absorber retains an effective out-of-plane transport component and enables indoor photovoltaic (iPV) efficiencies up to 6.9% at 1000 lux (6500 K). Our results identify a general route by which scalable spray processing can be used not only to deposit lead-free absorbers, but also to engineer phase evolution and transport-relevant texture for efficient vertical optoelectronic operation.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e71072"},"PeriodicalIF":8.7,"publicationDate":"2026-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149079258","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

Ligand-Engineered Ru(II) Complexes Direct 1D/2D Halide Perovskite Heterostructure Formation for Efficient CO₂ Reduction. 配体工程Ru（II）配合物直接形成1D/2D卤化物钙钛矿异质结构的高效CO2还原。

IF 8.7 2区材料科学

Small Methods Pub Date : 2026-09-29 DOI: 10.1002/smtd.71074

Mallika Mukherjee, Sooraj Sathyanarayan, Dipendu Sarkar, Shashi, Diganta Mandal, Srabanti Ghosh, Jyotishman Dasgupta, Parna Gupta, Pradipta Purkayastha

{"title":"Ligand-Engineered Ru(II) Complexes Direct 1D/2D Halide Perovskite Heterostructure Formation for Efficient CO2 Reduction.","authors":"Mallika Mukherjee, Sooraj Sathyanarayan, Dipendu Sarkar, Shashi, Diganta Mandal, Srabanti Ghosh, Jyotishman Dasgupta, Parna Gupta, Pradipta Purkayastha","doi":"10.1002/smtd.71074","DOIUrl":"https://doi.org/10.1002/smtd.71074","url":null,"abstract":"Long- and short-chain amine cations trigger surface exfoliation of 3D lead halide perovskites (LHPs) leading to the formation of low-dimensional (low-D) variants. 3D/2D and 3D/1D mixed or hetero-dimensional perovskites are important for photovoltaic applications for their improved surface passivation and stability of raw perovskite, which are used in photocatalysis. Here, two different, cationic ruthenium complexes facilitated the conversion of 3D LHPs to the desired low-D variants. [Ru(bpy)2(4,4'-dinonyl-2,2'-bpy)]2+ (RBN) produces 2D lead halides and [Ru(bpy)2(4,4'-dimethyl-2,2'-bpy)]2+ (RBM) generates 1D/2D heterostructures via stacking of 0D Cs4PbBr6 nanodiscs. Femtosecond transient absorption spectroscopy indicates efficient photoinduced charge stabilization and establishes the Ru-complex-induced low-D LHP variants as promising photocatalytic platforms to sustain high-energy carriers. These are prerequisites for generating catalytic substrates to reduce CO2 and H+. Practically, the 1D/2D heterostructures show exceptional CO2 reduction to CO with very good generation efficiency (rate: 243.6 µmol g-1 h-1), which is ∼8.7-fold higher compared to the higher dimensional LHPs, due to larger surface area, long diffusion length and pronounced electron transfer. RBN, with a nonyl chain, has specific directional properties that control the growth of the 2D LHP sheet, and RBM (methyl appended) produces the 1D variants via 0D hexagonal nanostructure formation.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e71074"},"PeriodicalIF":8.7,"publicationDate":"2026-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149073004","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

Split Activator Assembly via Aptamer Binding Enables CRISPR-Cas12a Activation With Non-Nucleic Acid Targets. 通过核酸适体结合的分裂激活子组装使CRISPR-Cas12a与非核酸靶标激活。

IF 8.7 2区材料科学

Small Methods Pub Date : 2026-09-28 DOI: 10.1002/smtd.71075

Ram J Tharu, Yusha Imtiaz, Shubhajit Singha, Emmett Hanson, Reggie E Gold, Pavl Royzen, Mehmet V Yigit

{"title":"Split Activator Assembly via Aptamer Binding Enables CRISPR-Cas12a Activation With Non-Nucleic Acid Targets.","authors":"Ram J Tharu, Yusha Imtiaz, Shubhajit Singha, Emmett Hanson, Reggie E Gold, Pavl Royzen, Mehmet V Yigit","doi":"10.1002/smtd.71075","DOIUrl":"https://doi.org/10.1002/smtd.71075","url":null,"abstract":"The programmability of CRISPR-Cas12a has enabled transformative advances in nucleic acid detection; however, extending its activation to non-nucleic-acid targets remains highly desirable. Here, we report a universal split-activator strategy that enables programmable Cas12a activation in response to a small molecule and a protein. In this approach, a canonical activator is divided into two fragments (p1 and p2), such that Cas12a activation occurs only upon their simultaneous assembly. We integrate this mechanism with aptamer-mediated conformation switching, wherein target binding destabilizes an aptamer-p2 duplex, releasing p2 to complete the activator complex and trigger Cas12a nuclease activity. Using this design, we demonstrate selective recognition of the small-molecule metabolite adenosine and the protein biomarker prostate-specific antigen (PSA), with high specificity against structurally related controls. Signal generation is achieved using fluorescent DNA nanoclusters (DFN-1), which undergo fluorescence decrease upon Cas12a-mediated degradation. The system exhibits concentration-dependent responses for both targets. Together, this work establishes a modular framework for coupling aptamer-based molecular recognition to programmable Cas12a activation, expanding the functional scope of CRISPR systems beyond nucleic acids and enabling new opportunities in CRISPR-Cas12a-mediated detection.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e71075"},"PeriodicalIF":8.7,"publicationDate":"2026-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149072998","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

MIL-53(Fe)-Derived Oxygen Vacancy-Regulated Iron Oxides Cathode Enabling Long-Cycling Flexible Iron-Ion Hybrid Supercapacitors. MIL-53（Fe）衍生氧空位调节氧化铁阴极实现长循环柔性铁离子混合超级电容器。

IF 8.7 2区材料科学

Small Methods Pub Date : 2026-09-28 DOI: 10.1002/smtd.71071

Ke Zhang, Yuxin Huang, Qinwei Guan, Liying Wang, Yang Gao, Xuesong Li, Xijia Yang, Wei Lü

{"title":"MIL-53(Fe)-Derived Oxygen Vacancy-Regulated Iron Oxides Cathode Enabling Long-Cycling Flexible Iron-Ion Hybrid Supercapacitors.","authors":"Ke Zhang, Yuxin Huang, Qinwei Guan, Liying Wang, Yang Gao, Xuesong Li, Xijia Yang, Wei Lü","doi":"10.1002/smtd.71071","DOIUrl":"https://doi.org/10.1002/smtd.71071","url":null,"abstract":"The practical application of iron-ion hybrid capacitors is severely hindered by inadequate energy density and insufficient cycling robustness. Herein, we present a self-supporting electrode comprising iron-based oxide/carbon composites, fabricated via in situ pyrolysis of MIL-53(Fe) precursors directly on carbon cloth. A subsequent controlled oxidation treatment enables precise modulation of oxygen vacancy concentration, yielding the optimally engineered M-CFOV composites. Notably, the binder-free, self-supporting configuration offers compelling advantages over traditional slurry-coated electrodes, including accelerated electron transport, improved solid-liquid interfacial compatibility, and robust mechanical integrity, which collectively ensure outstanding capacity retention over prolonged cycling. Simultaneously, the MOF-derived hierarchical porous structure promotes rapid electrolyte infiltration, shortens ion diffusion pathways, and exposes a large fraction of electrochemically accessible sites, thereby broadening the operational versatility of the device. When evaluated in an iron-ion supercapacitor incorporating a choline chloride-optimized electrolyte, the M-CFOV electrode achieves a remarkable specific capacitance of 2073.9 mF cm+ at 1 mA cm-2, along with an energy density of 48.8 mWh g-1. More importantly, a flexible iron-ion hybrid supercapacitor assembled with the M-CFOV cathode delivers high capacitance (1325.8 mF cm-2), energy density (35.75 mAh g-1), and exceptional cycling stability (92.3% retention after 10 000 cycles), offering a new strategy for advanced energy storage.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e71071"},"PeriodicalIF":8.7,"publicationDate":"2026-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149068951","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

Pre‑Agglomeration Granulation for Fluidized Bed Sintering of Geldart Group C LiFePO₄ With Enhanced Electrochemical Performance. 提高电化学性能的Geldart C族LiFePO4流化床烧结预团聚造粒。

IF 8.7 2区材料科学

Small Methods Pub Date : 2026-09-28 DOI: 10.1002/smtd.71063

Siyang Liu, Yuze Zhao, Tengyue Ma, Xin Zhang, Jiancheng Zhang, Yanliang Wen, JianXue Deng, Hongyan Wang, Mingzi Hong, Fei Wei

{"title":"Pre‑Agglomeration Granulation for Fluidized Bed Sintering of Geldart Group C LiFePO4 With Enhanced Electrochemical Performance.","authors":"Siyang Liu, Yuze Zhao, Tengyue Ma, Xin Zhang, Jiancheng Zhang, Yanliang Wen, JianXue Deng, Hongyan Wang, Mingzi Hong, Fei Wei","doi":"10.1002/smtd.71063","DOIUrl":"https://doi.org/10.1002/smtd.71063","url":null,"abstract":"Traditional static sintering of LiFePO4 (LFP) in roller kilns suffers from low heat/mass transfer efficiency and uneven atmosphere distribution, leading to high energy consumption and inhomogeneous carbon coating. Fluidized-bed sintering offers superior transfer kinetics, yet battery-grade LFP belongs to Geldart Group C and is inherently non-fluidizable. Herein, a pre-agglomeration granulation strategy using glucose/poly(ethylene glycol) binders via spray drying successfully transforms LFP from Group C to Group A. Systematic comparison with static tube-furnace sintering reveals that dynamic fluidized-bed sintering promotes uniform Al3+ doping, suppresses abnormal grain growth, and enables the formation of a uniform, continuous carbon layer (∼ 9 nm). Benefiting from these structural improvements, the sintered LFP exhibits a more uniform grain size distribution and a well‑integrated carbon coating. Electrochemical evaluation reveals a capacity retention of 77% at 5C and 94% after 400 cycles. The material achieves an ion diffusion coefficient of 9.66×10-13 cm2 s-1. This work not only overcomes the fluidization barrier of LFP, enabling kinetic optimization, structural control, and performance enhancement, but also establishes a general route to convert non-fluidizable Geldart C powders into fluidizable granules. The scalable and efficient fluidized-bed process paves the way for green, continuous manufacturing of high-performance LFP and other fine battery materials.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e71063"},"PeriodicalIF":8.7,"publicationDate":"2026-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149072973","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

Faradaic Electro-Swing of pH for Electrochemical Regeneration of Amine Sorbents for CO₂ Capture. faraday Electro-Swing pH用于胺类吸附剂的电化学再生CO2捕集。

IF 8.7 2区材料科学

Small Methods Pub Date : 2026-09-28 DOI: 10.1002/smtd.71058

Seoni Kim, Jin Soo Kang, Ah-Hyeong Ju, T Alan Hatton

{"title":"Faradaic Electro-Swing of pH for Electrochemical Regeneration of Amine Sorbents for CO2 Capture.","authors":"Seoni Kim, Jin Soo Kang, Ah-Hyeong Ju, T Alan Hatton","doi":"10.1002/smtd.71058","DOIUrl":"https://doi.org/10.1002/smtd.71058","url":null,"abstract":"Electrochemical approaches for sorbent regeneration in amine-based CO2 capture have emerged as promising alternatives to conventional thermally driven processes, as they enable operation under mild conditions possibly using renewable electricity. Most electro-swing processes rely on redox-active mediators that are vulnerable to side reactions and stability issues. Herein, we investigate mediator-free electrochemical pH-swing strategies based on Faradaic electrode reactions for the regeneration of amine sorbents. Nanostructured TiO2 electrodes with a capability for proton insertion and release enable reversible pH modulation in amine solution and regeneration of the sorbent. However, the extent of amine regeneration is constrained by the proton-storage capacity of the electrode. To resolve this limitation, a conversion-type Bi/BiOCl redox reaction is employed in the system, where protons are directly generated and consumed during electrochemical cycling. Although this strategy requires the presence of chloride ions in the electrolyte, significantly increased pH-swing capacity and enhanced amine regeneration are achievable. These results demonstrate the feasibilities of Faradaic electrode reactions for the regeneration of the sorbents in amine scrubbing process, which is the current state-of-the-art technology with scalability.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e71058"},"PeriodicalIF":8.7,"publicationDate":"2026-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149068986","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

Electrostatic Control of Terahertz High-Harmonic Generation in Turbostratically Stacked Graphene. 涡轮层叠石墨烯中太赫兹高谐波的静电控制。

IF 8.7 2区材料科学

Small Methods Pub Date : 2026-09-28 DOI: 10.1002/smtd.71067

Seong Cheol Lee, Donghak Oh, Wontae Kim, Soojeong Baek, Dongho Lee, Bumki Min, Fabian Rotermund

{"title":"Electrostatic Control of Terahertz High-Harmonic Generation in Turbostratically Stacked Graphene.","authors":"Seong Cheol Lee, Donghak Oh, Wontae Kim, Soojeong Baek, Dongho Lee, Bumki Min, Fabian Rotermund","doi":"10.1002/smtd.71067","DOIUrl":"https://doi.org/10.1002/smtd.71067","url":null,"abstract":"Graphene exhibits strong nonlinear optical responses across a broad spectral range, including the terahertz (THz) regime. Although THz high-harmonic generation in graphene has been demonstrated and can be enhanced by electrostatic doping and multilayer stacking, how interlayer carrier redistribution determines the overall nonlinear response remains unclear. Here, we show that the THz nonlinearity of turbostratically stacked multilayer graphene is governed by electrostatically induced interlayer Fermi-level redistribution. We experimentally observe gate-dependent modulation of third- and fifth-harmonic generation in top-gated monolayer, bilayer, and trilayer graphene devices. To account for these results, we combine a thermodynamic model of graphene THz nonlinearity with a nonlinear screening model for interlayer charge redistribution under electrostatic doping. The model quantitatively reproduces the measured layer- and gate-dependent harmonic responses, showing that the total THz nonlinear response of turbostratically stacked multilayer graphene is determined not only by the total carrier density but also by its distribution across the layers. These findings identify control over the layer-resolved carrier distribution as a key design principle for optimizing nonlinear performance.","PeriodicalId":229,"journal":{"name":"Small Methods","volume":" ","pages":"e71067"},"PeriodicalIF":8.7,"publicationDate":"2026-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149068953","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