IF 29.4 1区材料科学

Advanced Materials Pub Date : 2025-10-25 DOI: 10.1002/adma.202514060

Yasuyuki Kondo,Haruna Nakajima,Yu Katayama,Nao Kobayashi,Shinya Otani,Akinori Tani,Shigeaki Yamazaki,Yuki Yamada

{"title":"Electrolyte Li+ Chemical Potential Correlates with Graphite Negative Electrode Reactions in Lithium-Ion Batteries.","authors":"Yasuyuki Kondo,Haruna Nakajima,Yu Katayama,Nao Kobayashi,Shinya Otani,Akinori Tani,Shigeaki Yamazaki,Yuki Yamada","doi":"10.1002/adma.202514060","DOIUrl":"https://doi.org/10.1002/adma.202514060","url":null,"abstract":"Novel electrolytes for advanced lithium-ion batteries (LIBs) with higher energy density and safety are being extensively explored. A major challenge in developing new electrolytes is achieving reversible Li+ intercalation into graphite negative electrodes. In commercial LIBs, this reaction is reversible in ethylene carbonate (EC) electrolytes, whereas unfavorable Li+-solvent cointercalation occurs in many other electrolytes. Recently, EC-free Li+ intercalation has been achieved in some types of advanced electrolytes, including (localized) highly concentrated electrolytes and weakly coordinating electrolytes. However, an essential factor that dominates whether Li+ intercalation or Li+-solvent cointercalation occurs has yet to be identified. Herein, the electrolyte Li+ chemical potential is reported as a quantitative descriptor of the Li+ intercalation behavior. Solvent cointercalation is generally inhibited above a certain threshold of the electrolyte Li+ chemical potential. This work provides a novel guideline for designing advanced LIB electrolytes.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"150 1","pages":"e14060"},"PeriodicalIF":29.4,"publicationDate":"2025-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145357938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Mesenchymal Stem Cell-Inspired Microneedle Platform for NIR-responsive Immunomodulation and Accelerated Chronic Wound Healing. 间充质干细胞激发的nir反应性免疫调节微针平台和加速慢性伤口愈合。

IF 29.4 1区材料科学

Advanced Materials Pub Date : 2025-10-25 DOI: 10.1002/adma.202514081

Chan Ho Moon,Hee Gyeong Ko,Hyun Lee,Seojoon Bang,Hyeong Seok Kang,Ju Yeong Gwon,Jong Hwa Seo,Nayoung Lee,So Won Jeon,Yun-A Kim,Jong Sang Yoon,Kyung-Yup Cha,Min-Ho Kang,Dong Yun Lee,Soo-Hong Lee,Gi Doo Cha,Kisuk Yang,Donghyun Lim,Heemin Kang,Su Ryon Shin,Han Young Kim,Hyun-Do Jung

{"title":"Mesenchymal Stem Cell-Inspired Microneedle Platform for NIR-responsive Immunomodulation and Accelerated Chronic Wound Healing.","authors":"Chan Ho Moon,Hee Gyeong Ko,Hyun Lee,Seojoon Bang,Hyeong Seok Kang,Ju Yeong Gwon,Jong Hwa Seo,Nayoung Lee,So Won Jeon,Yun-A Kim,Jong Sang Yoon,Kyung-Yup Cha,Min-Ho Kang,Dong Yun Lee,Soo-Hong Lee,Gi Doo Cha,Kisuk Yang,Donghyun Lim,Heemin Kang,Su Ryon Shin,Han Young Kim,Hyun-Do Jung","doi":"10.1002/adma.202514081","DOIUrl":"https://doi.org/10.1002/adma.202514081","url":null,"abstract":"Chronic diabetic wounds present substantial clinical challenges owing to sustained inflammation, compromised vascularization, and inadequate retention of therapeutic medications. Accordingly, motivated by mesenchymal stem cells (MSCs) that actively secrete bioactive exosomes in response to stimuli from the tissue microenvironment, a biomimetic microneedle (MN) platform (MSCi@MN) is created to address these challenges. The MSCi@MN exhibits a dual-compartment structure composed of MSC-derived extracellular nanovesicles (NV) conjugated with polydeoxyribonucleotide (PDRN; DNA), referred to as NV-DNA, encapsulated within dissolvable MN tips, and photothermal-responsive MXene nanoparticles (MX) incorporated into the base layer for targeted near-infrared (NIR)-activated drug delivery. Upon NIR irradiation, MSCi@MN quickly releases NV-DNA, effectively modifying the immune responses by facilitating anti-inflammatory M2 macrophage polarization and activating tolerogenic dendritic cells, thereby establishing a regenerative microenvironment. Transcriptomic research has verified that NV-DNA synergistically promotes angiogenesis, cellular proliferation, and extracellular matrix remodeling by activating complementary molecular pathways. In animal models of diabetes, MSCi@MNs markedly expedite wound repair, diminish inflammation, enhance angiogenesis, and restore skin appendages without systemic adverse effects. This MSC-inspired approach, which integrates biologically sensitive controlled release with robust immunoregenerative capabilities, has substantial potential for clinical use in chronic wound treatment and regenerative medicine.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"14 1","pages":"e14081"},"PeriodicalIF":29.4,"publicationDate":"2025-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145357657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Probing Sulfur-Mediated Surface Dynamics in Oxomolybdate Nano-Rods toward Efficient Oxygen Evolution. 探讨硫介导的氧化钼纳米棒表面动力学对高效析氧的影响。

IF 13.3 2区材料科学

Small Pub Date : 2025-10-25 DOI: 10.1002/smll.202508560

Asha K Satheesan,Vanshree Parey,Arun Karmakar,Ragunath Madhu,Sreenivasan Nagappan,Suprobhat Singha Roy,Prasita Mazumder,Rangasamy Thangamuthu,Sudip Chakraborty,Subrata Kundu

{"title":"Probing Sulfur-Mediated Surface Dynamics in Oxomolybdate Nano-Rods toward Efficient Oxygen Evolution.","authors":"Asha K Satheesan,Vanshree Parey,Arun Karmakar,Ragunath Madhu,Sreenivasan Nagappan,Suprobhat Singha Roy,Prasita Mazumder,Rangasamy Thangamuthu,Sudip Chakraborty,Subrata Kundu","doi":"10.1002/smll.202508560","DOIUrl":"https://doi.org/10.1002/smll.202508560","url":null,"abstract":"This study offers strategic approach to enhance oxygen evolution reaction (OER) by synthesis of sulfur-doped nickel molybdate (S-NiMoO4) using a one-pot hydrothermal approach. The optimized catalysts, featuring 10% S doping, reveals a remarkable activity with an overpotential of 289 mV at a current density of 10 mA cm-2, with a high turnover frequency (TOF) of 0.465 s-1 and a low charge transfer resistance (6.6 Ω). Structural and surface analysis confirm successful sulfur incorporation and subsequent surface reconstruction during OER, leading to the formation of catalytically active SO4 2 - species. DFT calculations reveal that S doping and subsequent SO4 2 - adsorption, shift the d-band center closer to the Fermi level, facilitating enhanced OH- adsorption and improve M─O binding interactions critical for OER. Further, the S-NiMoO4 improves the OER activity by modifying the electrode-electrolyte interface and promoting Ni3+/Ni4+ redox transitions. A volcano-type relationship between surface charge accumulation and current density establishes 10% S doping as the ideal condition for balanced electronic and catalytic properties. Excellent durability over 30 h and faradic efficiency of 92% obtained. This study demonstrates the dual function of sulfur in surface reconstruction and lattice doping, providing a viable approach for creating long-lasting and effective anion-modified electrocatalysts.","PeriodicalId":228,"journal":{"name":"Small","volume":"49 1","pages":"e08560"},"PeriodicalIF":13.3,"publicationDate":"2025-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145357779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Metal-Organic Framework Nanocarrier System for Precise Targeted Delivery and Reduced Systemic Toxicity of Mitoxantrone in Breast Cancer Therapy. 金属-有机框架纳米载体系统用于精确靶向递送和降低米托蒽醌在乳腺癌治疗中的全身毒性。

IF 9.5 2区材料科学

ACS Applied Materials & Interfaces Pub Date : 2025-10-25 DOI: 10.1021/acsami.5c14630

Xiaowen Xu,Youjia Wu,Lingyi Huang,Pingping Wu,Liying Huang

{"title":"A Metal-Organic Framework Nanocarrier System for Precise Targeted Delivery and Reduced Systemic Toxicity of Mitoxantrone in Breast Cancer Therapy.","authors":"Xiaowen Xu,Youjia Wu,Lingyi Huang,Pingping Wu,Liying Huang","doi":"10.1021/acsami.5c14630","DOIUrl":"https://doi.org/10.1021/acsami.5c14630","url":null,"abstract":"Mitoxantrone (MTX) is a first-line chemotherapeutic agent. However, it has some limitations, such as poor tumor targeting, systemic toxicity, etc. A precise delivery system for MTX was developed using β-Cyclodextrin-modified redox/pH dual-responsive metal-organic framework nanoparticles (β-CD-nMOF). Metal-organic framework nanomaterials based on metal zinc (Zn-MOF) and organic ligand dithiodiglycolic acid were synthesized, and then β-cyclodextrin was modified on its surface for loading MTX, and a targeted drug delivery system of β-CD-nMOF@MTX was prepared. Zn-MOF was uniformly spherical (80-100 nm) and modified by cyclodextrin to form floral spherical β-CD-nMOF (400 nm). The effects of β-CD-nMOF@MTX on the growth of 4T1 human breast cancer cells were investigated in vitro. A 4T1 tumor-bearing Balb/c mouse model was established for in vivo β-CD-nMOF@MTX pharmacodynamic evaluation and its targeting studies. In vitro experiments showed that β-CD-nMOF@MTX was more toxic to 4T1 cancer cells than MTX injection at the same dose. Animal experiment results demonstrated that β-CD-nMOF@MTX effectively inhibited the growth of solid tumors while reducing MTX systemic in vivo toxicity and enhancing targeting properties. This occurs because, upon entering the tumor microenvironment, β-CD-nMOF@MTX undergoes collapse of its Zn-MOF framework structure under acidic conditions and glutathione mediation, releasing the loaded MTX to achieve precise targeted antitumor activity. The design principle of β-CD-nMOF@MTX may provide a promising strategy for smart antitumor agents with great potential in targeted cancer therapy.","PeriodicalId":5,"journal":{"name":"ACS Applied Materials & Interfaces","volume":"19 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145357933","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

Interfacial Engineered MXene Heterostructures for Broadband Electromagnetic Wave Absorption and Thermal Insulation. 用于宽带电磁波吸收和隔热的界面工程MXene异质结构。

IF 13.3 2区材料科学

Small Pub Date : 2025-10-25 DOI: 10.1002/smll.202505577

Ruiqi Wang,Sibo Ren,Yuxiang Jin,Weixiao Dong,Ping Chen

{"title":"Interfacial Engineered MXene Heterostructures for Broadband Electromagnetic Wave Absorption and Thermal Insulation.","authors":"Ruiqi Wang,Sibo Ren,Yuxiang Jin,Weixiao Dong,Ping Chen","doi":"10.1002/smll.202505577","DOIUrl":"https://doi.org/10.1002/smll.202505577","url":null,"abstract":"The rational construction of multi-component heterogeneous interfaces is crucial for overcoming the inherent limitations of single-component microwave absorbers. This study designs a novel multi-component composite Ti3C2Tx-TiO2/nitrogen-doped carbon derived from MXene@polypyrrole. By employing an in situ polymerization-calcination temperature gradient design method, the oxidation degree of the MXene precursor and the carbonization process are precisely controlled, thereby adjusting the dielectric constant. The optimized composite exhibits excellent microwave absorption performance, achieving an effective absorption bandwidth (EAB, RL ≤-10 dB) of 6.89 GHz and a strong reflection loss of -57.27 dB at a thickness of 2.2 mm. Mechanistic studies reveal that excellent impedance matching and multiple polarization between multi-layer heterogeneous interfaces cooperate to establish a comprehensive microwave attenuation mechanism. Compared with the recently developed TiO2-based microwave absorbing materials, the EAB is significantly enhanced, successfully resolving the long-standing bandwidth-thickness contradiction in dielectric-dominant systems. Additionally, the thermal insulation property of the material makes it have the potential for practical application. This study provides new insights into the design of multifunctional electromagnetic wave absorbers.","PeriodicalId":228,"journal":{"name":"Small","volume":"1 1","pages":"e05577"},"PeriodicalIF":13.3,"publicationDate":"2025-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145357946","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

Efficient Dark Current Suppression by Engineering PIET-Active Discrete Donor-Acceptor Architecture for High-Sensitivity Semiconductor Photodetectors. 高灵敏度半导体光电探测器工程piet有源离散施主-受主结构的高效暗电流抑制。

IF 29.4 1区材料科学

Advanced Materials Pub Date : 2025-10-25 DOI: 10.1002/adma.202515057

Tian-Tian Song,Peng-Kun Wang,Long Chen,Shan-Shan Cheng,Ming-Sheng Wang,Wen-Ping Hu

{"title":"Efficient Dark Current Suppression by Engineering PIET-Active Discrete Donor-Acceptor Architecture for High-Sensitivity Semiconductor Photodetectors.","authors":"Tian-Tian Song,Peng-Kun Wang,Long Chen,Shan-Shan Cheng,Ming-Sheng Wang,Wen-Ping Hu","doi":"10.1002/adma.202515057","DOIUrl":"https://doi.org/10.1002/adma.202515057","url":null,"abstract":"High-sensitivity photodetectors are of paramount importance for astronomy, night vision, and bioimaging. Current methods for enhancing sensitivity still face the challenges of complex preparation processes and the dependence on low-temperature environments. This work demonstrates that constructing a discrete, donor (D)-acceptor (A) structure and employing the photoinduced electron transfer (PIET) technique may simultaneously reduce dark current and increase photocurrent efficiently, thereby significantly enhancing the detection sensitivity. With this synergetic strategy, a viologen-based photochromic semiconductor with a discrete bismuth halide structure may reduce its dark current by ≈94% -a reduction far exceeding those reported using external field-induced modification methods-while simultaneously enhancing the photocurrent by ≈83% after PIET and coloration. This value corresponds to a two-fold increase of the detection sensitivity (S). This finding opens a new effective strategy to explore ultra-highsensitivity photodetectors and smart semiconductors.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"1 1","pages":"e15057"},"PeriodicalIF":29.4,"publicationDate":"2025-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145357970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Redox-Induced Atomic Switch as Platform for Molecular Electronics Devices. 氧化还原诱导原子开关作为分子电子器件的平台。

IF 13.3 2区材料科学

Small Pub Date : 2025-10-25 DOI: 10.1002/smll.202507653

Akira Aiba,Marius Buerkle,Satoshi Kaneko,Tohru Tsuruoka,Sekito Nishimuro,Kazuya Terabe,Tomoaki Nishino

引用次数: 0

Modulating Perovskite Film Crystallization with Nipecotic Acid for High-Performance Perovskite Solar Cells. 高性能钙钛矿太阳能电池中钙钛矿膜晶化的调控研究。

IF 13.3 2区材料科学

Small Pub Date : 2025-10-25 DOI: 10.1002/smll.202509076

Haoyi Zhang,Jingyun Wei,Di Zhang,Jiafan Zhang,Yujie Liu,Renxuan Wang,Yanyan Li,Shengzhong Frank Liu,Jiangshan Feng,Xuediao Cai

{"title":"Modulating Perovskite Film Crystallization with Nipecotic Acid for High-Performance Perovskite Solar Cells.","authors":"Haoyi Zhang,Jingyun Wei,Di Zhang,Jiafan Zhang,Yujie Liu,Renxuan Wang,Yanyan Li,Shengzhong Frank Liu,Jiangshan Feng,Xuediao Cai","doi":"10.1002/smll.202509076","DOIUrl":"https://doi.org/10.1002/smll.202509076","url":null,"abstract":"The fabrication of high-quality perovskite films plays a pivotal role in enhancing the power conversion efficiency (PCE) of perovskite solar cells (PSCs). This enhancement can be achieved by modulating the crystallization kinetics of the perovskite film. In this paper, nipecotic acid (NA) is employed as an additive to regulate the crystallization process to mitigate defect formation within the perovskite film. The mechanism is corroborated through in situ ultraviolet/visible (UV/Vis) absorption and photoluminescence (PL) measurements. Furthermore, NA facilitates the modulation of perovskite crystal orientation, as verified by grazing-incidence wide-angle X-ray scattering (GIWAXS) and X-ray diffraction (XRD) analyses. Utilizing the NA additive, perovskite films exhibiting superior quality and reduced defect density are successfully fabricated. A champion device achieves a PCE of 24.76%. Remarkably, this device retains 94.04% of its initial PCE after 960 h of storage under ambient conditions (25 °C, 25% relative humidity, RH), demonstrating exceptional environmental stability.","PeriodicalId":228,"journal":{"name":"Small","volume":"106 1","pages":"e09076"},"PeriodicalIF":13.3,"publicationDate":"2025-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145357778","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

Gradients of Aliveness and Engineering: A Taxonomy of Fungal Engineered Living Materials. 活性与工程的梯度：真菌工程活材料的分类。

IF 29.4 1区材料科学

Advanced Materials Pub Date : 2025-10-25 DOI: 10.1002/adma.202502728

Elise Elsacker,Jara Saluena Martin,Annah-Ololade Sangosanya,Anouk Verstuyft,Aurélie Van Wylick,Eveline Peeters

{"title":"Gradients of Aliveness and Engineering: A Taxonomy of Fungal Engineered Living Materials.","authors":"Elise Elsacker,Jara Saluena Martin,Annah-Ololade Sangosanya,Anouk Verstuyft,Aurélie Van Wylick,Eveline Peeters","doi":"10.1002/adma.202502728","DOIUrl":"https://doi.org/10.1002/adma.202502728","url":null,"abstract":"Filamentous fungi offer unique potential for engineered living materials (ELMs), enabling self-assembling, adaptive, and sustainable biofabrication. However, the field lacks a systematic framework to classify fungal ELMs, as they vary in biological state (dead, dormant, or living), scaffold composition, and degree of engineering intervention. Here, a classification system is introduced to categorize fungal ELMs, enabling researchers to map existing studies and guide future development. The ability to form resilient 3D networks make filamentous fungi ideal for applications ranging from self-healing composites to materials for bioremediation and real-time sensing, as demonstrated in proof-of-concept applications. A roadmap for next-generation fungal ELMs is outlined, including spatial-temporal control of fungal states, multispecies integration for enhanced complexity, and computational modeling for predictive design. Key challenges, such as contamination control, cell viability, and bio-digital integration, are discussed alongside strategies for genetic engineering. Finally, ethical and environmental considerations are emphasized as crucial factors for the responsible scaling of fungal ELMs.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"2 1","pages":"e02728"},"PeriodicalIF":29.4,"publicationDate":"2025-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145357782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Spatially Matched C-N Coupling within Carbon Defect Confined Interlayer Fe Clusters for Efficient Urea Electrosynthesis. 碳缺陷约束层间Fe团簇空间匹配C-N耦合用于高效尿素电合成。

IF 29.4 1区材料科学

Advanced Materials Pub Date : 2025-10-25 DOI: 10.1002/adma.202514503

Qilong Wu,Liyun Wu,Yun Han,Haiyuan Zou,Xiaozhi Su,Yongheng Chu,Hao Deng,Sirui Tang,Xiaokang Wang,Dongdong Zhang,Fangfang Zhu,Yi Jia,Shaohua Shen,Aijun Du,Chen Chen,Shuangyin Wang,Xiangdong Yao,Jun Chen

{"title":"Spatially Matched C-N Coupling within Carbon Defect Confined Interlayer Fe Clusters for Efficient Urea Electrosynthesis.","authors":"Qilong Wu,Liyun Wu,Yun Han,Haiyuan Zou,Xiaozhi Su,Yongheng Chu,Hao Deng,Sirui Tang,Xiaokang Wang,Dongdong Zhang,Fangfang Zhu,Yi Jia,Shaohua Shen,Aijun Du,Chen Chen,Shuangyin Wang,Xiangdong Yao,Jun Chen","doi":"10.1002/adma.202514503","DOIUrl":"https://doi.org/10.1002/adma.202514503","url":null,"abstract":"Tailoring spatially matched multi-site structure to simultaneously coordinate CO2 and NO3 - activation and coupling remains a significant challenge for urea electrosynthesis. Herein, interlayer Fe atomic clusters is constructed (Feacs) in expanded 2H-graphitic carbon via a carbon defect-confinement strategy, where spatially matched Feacs between graphite layers act as ideal nanoreactors for cooperative C─N coupling. These interlayer Feacs are achieved by kinetically modulating cascade reactions (FeOx reduction, H2/CO2-mediated carbon etching, and vacancy trapping) during pyrolysis under H2/Ar atmosphere with low flow rates. As a result, the interlayer Feacs catalyst exhibits a high urea Faradaic efficiency of 39.80% and a normalized production rate of 3643.65 mm h-1 gFe-1, which is 7.98- and 9.88-fold higher than control samples (Fe particles without interlayer structure). In-situ fourier transform infrared spectroscopy (FTIR) and density functional theory (DFT) calculations further reveal that the spatial matched interlayer Feacs structure promotes the adsorption of *CO intermediate and lowers energy barriers for the dehydration of NH2OH, while carbon defects favor water dissociation kinetics, accelerating subsequent hydrogenation steps and promoting C─N coupling within the interlayer Feacs. This work provides a paradigm for designing catalysts with spatial matched active sites for sustainable urea synthesis.","PeriodicalId":114,"journal":{"name":"Advanced Materials","volume":"32 1","pages":"e14503"},"PeriodicalIF":29.4,"publicationDate":"2025-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145357784","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

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