Rare Metals最新文献

筛选
英文 中文
Plasmon‐Enhanced NaYF 4 :Yb/Er/Tm UCNPs Fluorescent Biosensing for Ultrasensitive Detection of GP73 in Clinical Liver Cancer Diagnosis 等离子体增强的nayf4:Yb/Er/Tm UCNPs荧光生物传感技术在临床肝癌诊断中的超灵敏检测
1区 材料科学
Rare Metals Pub Date : 2026-05-01 DOI: 10.1002/rar2.70222
Changsheng Shi, Wei Cai, Zhixiang Lin, Y Xu, Liu Xu, Bingru Zheng, Wenhua Li, Hui Tong, Qing Yang, Caiping Ding, Youju Huang
{"title":"Plasmon‐Enhanced NaYF <sub>4</sub> :Yb/Er/Tm UCNPs Fluorescent Biosensing for Ultrasensitive Detection of GP73 in Clinical Liver Cancer Diagnosis","authors":"Changsheng Shi, Wei Cai, Zhixiang Lin, Y Xu, Liu Xu, Bingru Zheng, Wenhua Li, Hui Tong, Qing Yang, Caiping Ding, Youju Huang","doi":"10.1002/rar2.70222","DOIUrl":"https://doi.org/10.1002/rar2.70222","url":null,"abstract":"ABSTRACT Early diagnosis of liver cancer demands high sensitivity, high specificity, convenience and real‐time monitoring capabilities. However, it encounters challenges such as low concentration of markers, numerous interfering factors, and limitations of detection technologies. This study investigates the potential of plasmonic gold nanorods (AuNRs) and rare‐earth‐based up‐conversion nanoparticles (NaYF 4 :Yb/Er/Tm UCNPs) in liver cancer surveillance and detection. A significant enhancement in Near‐infrared (NIR) fluorescence of the UCNPs was observed when the assay was used for detecting the serum biomarker Golgi protein 73 (GP73). The method enables ultra‐sensitive, quantitative detection of GP73 at concentrations as low as 5 ng mL −1 in a short period of time, using only 10 μL of serum samples. It demonstrated a sensitivity of 88.90% and a specificity of 100%, surpassing conventional immunoassays and showing strong agreement with Magnetic resonance imaging (MRI) and computed tomography (CT) in prognostic performance. Compared to existing advanced detection methods, this approach exhibited superior performance in diagnostic accuracy, cost‐effectiveness, and time efficiency, highlighting its high practical value and transformative potential. Based on the findings of this study, the rare‐earth‐plasmonic hybrid nanomaterials in the GP73 detection method show promise for future liver cancer diagnostics. Despite its simplicity, it offers potential applications in community screening, intraoperative assessment, and postoperative monitoring.","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"45 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148305745","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multiscale Study of a Synergistic System in Carbon‐Coated Multimetal‐Based Selenides Toward Rapid and Highly Stable Sodium Storage 碳包覆多金属硒化物协同储钠体系的多尺度研究
1区 材料科学
Rare Metals Pub Date : 2026-01-15 DOI: 10.1002/rar2.70135
Ying Zhu, Xiuzhen Wang, Lei Dong, Yilin Cao, Zhang‐Cheng Cao, Liu‐Ting Zhang
{"title":"Multiscale Study of a Synergistic System in Carbon‐Coated Multimetal‐Based Selenides Toward Rapid and Highly Stable Sodium Storage","authors":"Ying Zhu, Xiuzhen Wang, Lei Dong, Yilin Cao, Zhang‐Cheng Cao, Liu‐Ting Zhang","doi":"10.1002/rar2.70135","DOIUrl":"https://doi.org/10.1002/rar2.70135","url":null,"abstract":"ABSTRACT The development of sodium‐ion batteries (SIBs) is limited by slow charge transfer kinetics and large material volume changes caused by the large radius of Na + . Leveraging the excellent physicochemical properties and unique heterostructures of metal selenides, ultrafine hetero‐CuFeSe 2 ‐CoSe 2 nanoparticles are in situ wrapped by polyvinylpyrrolidone‐derived carbon (PDC) to successfully synthesize multicomponent composite electrode materials (CuFeSe 2 ‐CoSe 2 @PDC) for SIB anodes. The carbon‐coated trimetallic selenide heterostructure synergistically enhances electronic/ionic conductivity while maintaining exceptional structural stability, thereby significantly improving the reaction kinetics of active materials. In addition, the exceptionally high pseudocapacitive contribution (97% at 1.0 mV s −1 ) plays a pivotal role in achieving high reversible specific capacity, excellent cycling stability, and superior rate capability. Benefiting from the multicomponent synergistic effects, the electrode delivers an exceptional specific capacity of 457.88 mAh g −1 after 1000 cycles at 2 A g −1 , with an ultralow average capacity decay rate of merely 0.0021% per cycle. Density functional theory (DFT) calculations further elucidate that the CuFeSe 2 ‐CoSe 2 heterointerface induces electronic structure reconstruction, and the generated built‐in electric field promotes interfacial electrochemical kinetics. Ex situ X‐ray diffraction (XRD) further revealed the reversible phase transformation reaction mechanism and confirmed the remarkable structural stability of CuFeSe 2 ‐CoSe 2 @PDC. This offers a feasible strategy to design high‐performance electrodes capable of rapid and stable Na + storage.","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"45 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147881938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
3D‐Printed Porous High‐Entropy Alloy Boosts Peroxymonosulfate Activation for Long‐Term Organic Pollutant Degradation 3D打印多孔高熵合金促进过氧单硫酸盐活化,长期降解有机污染物
1区 材料科学
Rare Metals Pub Date : 2026-01-11 DOI: 10.1002/rar2.70134
Sheng Guo, Mengmeng Yang, Xizi Gao, Huang Yi, Yushan Huang, Liming You, Changjun Han, Chao Cai, Fengxi Chen, Rong Chen
{"title":"3D‐Printed Porous High‐Entropy Alloy Boosts Peroxymonosulfate Activation for Long‐Term Organic Pollutant Degradation","authors":"Sheng Guo, Mengmeng Yang, Xizi Gao, Huang Yi, Yushan Huang, Liming You, Changjun Han, Chao Cai, Fengxi Chen, Rong Chen","doi":"10.1002/rar2.70134","DOIUrl":"https://doi.org/10.1002/rar2.70134","url":null,"abstract":"ABSTRACT High‐entropy alloys (HEAs) have attracted considerable interest from researchers owing to their tunable chemical compositions, exceptional structural stability, and promising catalytic properties. However, their large‐scale application is often hindered by complex manufacturing techniques and poor durability. Herein, we report a simple and cost‐effective three‐dimensional (3D) printing strategy to fabricate a 3D‐FeMnCrCo HEA catalyst with precisely controlled composition, structure, and porosity. The as‐prepared 3D‐FeMnCrCo catalyst exhibits high printing accuracy, excellent compression resistance, and remarkable efficiency in degrading organic contaminants using peroxymonosulfate (PMS) activation. Notably, the catalyst maintains outstanding catalytic stability over 100 consecutive cycles, which outperforms most of its powdered counterparts. Theoretical calculations and controlled experiments reveal that a synergistic combination of Fe/Mn electron donation, Co‐mediated charge buffering, and Cr‐driven orbital hybridization lowers the electron transfer energy barrier, thereby enhancing PMS activation. Mechanistic studies further show that singlet oxygen is the predominant reactive species in the 3D‐FeMnCrCo/PMS system. The biotoxicity of degraded pollutants and the catalyst's performance in treating actual wastewater are also systematically evaluated. This work provides critical insights into the practical application of HEAs in water treatment and guides the design of efficient, stable, and easily recoverable catalysts for environmental remediation.","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"45 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/rar2.70134","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147889040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
An Ultrasmall Strontium‐Loaded Polydopamine Nanoformulation for Near‐Infrared‐Enhanced Periodontitis Therapy via Photodynamic Gas‐Promoted Antibacterial and Bone Repair 一种超小负载锶的聚多巴胺纳米配方,通过光动力气体促进抗菌和骨修复,用于近红外增强牙周炎治疗
1区 材料科学
Rare Metals Pub Date : 2026-01-06 DOI: 10.1002/rar2.70148
Hao Liang, Yu Liang, Rubiao Qiu, Kunpeng Duan, Jiaxiao Li, Yan Liu, Xiaowen Li, Xiaowen Li, L. Wang, Lingling Liang, Mingyang Jiang, C WANG, G. CHEN, Ming Gao, Xiaojie Li, Xiaojie Li, Tao Qin
{"title":"An Ultrasmall Strontium‐Loaded Polydopamine Nanoformulation for Near‐Infrared‐Enhanced Periodontitis Therapy via Photodynamic Gas‐Promoted Antibacterial and Bone Repair","authors":"Hao Liang, Yu Liang, Rubiao Qiu, Kunpeng Duan, Jiaxiao Li, Yan Liu, Xiaowen Li, Xiaowen Li, L. Wang, Lingling Liang, Mingyang Jiang, C WANG, G. CHEN, Ming Gao, Xiaojie Li, Xiaojie Li, Tao Qin","doi":"10.1002/rar2.70148","DOIUrl":"https://doi.org/10.1002/rar2.70148","url":null,"abstract":"ABSTRACT Periodontitis is a chronic infectious oral disease triggered by periodontopathogenic bacteria, resulting in the progressive inflammation and destruction of the tissues surrounding teeth. To achieve reprogramming of the infectious microenvironment for periodontitis therapy, a nanoformulation was proposed by loading polydopamine (PDA) with ultrasmall strontium through in situ reduction and arginine by Michael addition, defined as PA. Combined with near infrared (NIR) irradiation, it could efficiently scavenge reactive oxygen species (ROS), and downregulate inflammatory factors expression through inhibiting NF‐κB pathway. In addition, it also confirmed the effective bacteria killing in NIR stimulated PA by photothermal effects and nitric oxide (NO) generation. Significantly, PA + NIR was also verified to promote alveolar bone tissue repair through strontium ions (Sr 2+ ) and NO induced angiogenesis, together with Sr 2+ mediated osteogenesis. The administration strategy was finally verified to alleviate the oxidative stress derived inflammation, suppress bacterial growth and biofilm formation, as well as promote bone regeneration with high efficacy and biosafety in the periodontitis rat models. All the above findings contributed to the NIR enhanced synergistic treatment of periodontitis, and it may serve as a promising strategy for the treatment of other inflammation related diseases.","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"45 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/rar2.70148","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147903235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
High‐Brightness Delayed Imaging Realized by Embedding Zinc Gallate Nanocrystals Into Glass 在玻璃中嵌入没食子酸锌纳米晶体实现高亮度延迟成像
1区 材料科学
Rare Metals Pub Date : 2026-01-06 DOI: 10.1002/rar2.70121
Jing Wu, Xing‐Liang Luo, Pu‐Wei Zhai, Ming‐Hui Long, Yuan Xue, Xiu‐Xia Yang, Xu‐Hui Xu
{"title":"High‐Brightness Delayed Imaging Realized by Embedding Zinc Gallate Nanocrystals Into Glass","authors":"Jing Wu, Xing‐Liang Luo, Pu‐Wei Zhai, Ming‐Hui Long, Yuan Xue, Xiu‐Xia Yang, Xu‐Hui Xu","doi":"10.1002/rar2.70121","DOIUrl":"https://doi.org/10.1002/rar2.70121","url":null,"abstract":"ABSTRACT X‐ray delayed imaging technology leverages an “irradiation‐storage‐thermally stimulated readout” mode, demonstrating unique advantages in intermittent monitoring scenarios such as high‐temperature/high‐radiation environments. This typically requires materials combining abundant carrier‐trapping energy levels with structural thermostability. Herein, Cr 3+ ‐doped ZnGa 2 O 4 glass ceramics (ZGC GCs) serve as a functional platform, utilizing their deep trap energy levels (main peak 197.7°C) to efficiently capture and store X‐ray imaging information, and achieve high‐brightness X‐ray delayed imaging by modulating the thermally stimulated detrapping rates. Under its exceptional structural thermostability and deep trap characteristics, ZGC GCs maintain high‐quality delayed imaging capability by thermal stimulation even after 180°C irradiation, highlighting their potential for high‐temperature nondestructive testing and surpassing the high‐temperature failure threshold of conventional scintillators. This work pioneers functional applications of glass ceramics in high‐temperature irradiation scenarios and offers a novel perspective for selecting harsh‐environment‐adapted X‐ray imaging materials.","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"45 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/rar2.70121","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147898655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Endogenous/Exogenous Dual‐Responsive Bimetallic Hollow Nanozyme for Photothermal/Nanocatalysis/Immune Synergistic Tumor Therapy 内源性/外源性双响应双金属空心纳米酶用于光热/纳米催化/免疫协同肿瘤治疗
1区 材料科学
Rare Metals Pub Date : 2026-01-01 DOI: 10.1002/rar2.70015
Nan‐Nan Zheng, Xin Hu, Jun‐Qing Hu
{"title":"Endogenous/Exogenous Dual‐Responsive Bimetallic Hollow Nanozyme for Photothermal/Nanocatalysis/Immune Synergistic Tumor Therapy","authors":"Nan‐Nan Zheng, Xin Hu, Jun‐Qing Hu","doi":"10.1002/rar2.70015","DOIUrl":"https://doi.org/10.1002/rar2.70015","url":null,"abstract":"","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"45 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147330396","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
Constructing Serrated Boride Composite Layer for Enhancing Wear Resistance of Ti6Al4V Alloy 构建锯齿状硼化物复合层提高Ti6Al4V合金的耐磨性
1区 材料科学
Rare Metals Pub Date : 2025-12-29 DOI: 10.1002/rar2.70025
Ying Wu, Lishi Ma, Yong‐Hua Duan, Ancang Yang, Xiang‐Ren Bai, Xiaolong Zhou, Shanju Zheng, Jia‐Wei Mi, X. L. Lu, Meng‐Nie Li
{"title":"Constructing Serrated Boride Composite Layer for Enhancing Wear Resistance of Ti6Al4V Alloy","authors":"Ying Wu, Lishi Ma, Yong‐Hua Duan, Ancang Yang, Xiang‐Ren Bai, Xiaolong Zhou, Shanju Zheng, Jia‐Wei Mi, X. L. Lu, Meng‐Nie Li","doi":"10.1002/rar2.70025","DOIUrl":"https://doi.org/10.1002/rar2.70025","url":null,"abstract":"ABSTRACT Appropriate configuration combined with strong interface bonding is the essential requirement for developing high wear‐resistant coatings. Herein, based on the powder‐pack boriding process, the properties of Ti6Al4V alloy are effectively improved by constructing a serrate tribological boride composite layer. Scanning electron microscope (SEM) and transmission electron microscope (TEM) results demonstrated that in situ serration boride layer distributes on the surface of Ti6Al4V alloy (including the outer TiB 2 layer and the inner TiB whisker layer), forming a coherent/semi‐coherent TiB 2 ‐TiB‐Ti transition interface during the heat treatment. Ti matrix grains beneath the boride layer are firmly riveted and composites achieve excellent friction coefficient about 0.40 ± 0.01. The formation mechanism of serration boride layer was discussed based on thermodynamic and diffusion kinetic analysis. Moreover, first‐principles calculations showed that the creative serrated configuration improves the interfacial bonding of the boride layer and matrix. Electron backscatter diffraction (EBSD) and geometric phase analysis (GPA) were employed to investigate the influence of the serrated boride layer on deformation behavior of composites. It revealed that the serrated boride layer reduces internal stress of interface region and can stimulate the plastic deformation of Ti matrix grains. More importantly, the strongly bonded TiB 2 ‐TiB‐Ti interface directly changes the fracture mechanism of boride layer. The current work provides a novel avenue for the fabrication of high wear‐resistant Ti alloy.","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"45 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/rar2.70025","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147332837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dissolution‐Controlled Phase Separation of Cs + /Rb + in High‐Salinity Brines via All‐Inorganic Prussian Blue Analogs 全无机普鲁士蓝类似物在高盐度盐水中溶解控制相分离Cs + /Rb +
1区 材料科学
Rare Metals Pub Date : 2025-12-28 DOI: 10.1002/rar2.70077
Kang Li, Ruixin Ma, Shina Li
{"title":"Dissolution‐Controlled Phase Separation of Cs <sup>+</sup> /Rb <sup>+</sup> in High‐Salinity Brines via All‐Inorganic Prussian Blue Analogs","authors":"Kang Li, Ruixin Ma, Shina Li","doi":"10.1002/rar2.70077","DOIUrl":"https://doi.org/10.1002/rar2.70077","url":null,"abstract":"ABSTRACT The similar physicochemical properties of alkali metal elements make the co‐enrichment and precise separation of Cs + and Rb + in complex brine systems highly challenging. Here, an all‐inorganic strategy is proposed, which achieves efficient enrichment and precise separation of Cs + and Rb + in high‐salt systems by constructing Sr 2+ /Ba 2+ ‐based Prussian blue analogs. Two super‐sized precipitates, CsRb‐SrFC, and CsRb‐BaFC (particle sizes up to ∼5 and ∼15 μm), were successfully synthesized, significantly simplifying the complex solid–liquid separation process of traditional fine particles. Both systems exhibit rapid reaction kinetics (completed within 5 min) and efficient enrichment performance across a wide pH range (2–13). The Sr 2+ system shows maximum recovery rates of 96.08% for Cs + and 66.20% for Rb + , whereas the Ba 2+ system demonstrates stronger affinity for Rb + ( R Rb = 70.92%, R Cs = 56.26%). More importantly, CsRb‐SrFC achieves phase‐selective separation through dissolution differentiation, where water washing induces Rb + dissolution into the liquid phase, whereas Cs + remains fixed in the solid phase, enabling precise acquisition of pure Cs 2 CO 3 (purity ∼98%) through solid–liquid interfacial phase separation. Furthermore, dynamic separation experiments maintain stable and rapid ion‐specific separation characteristics (separation factor SF Cs/Rb = 353.82). This all‐inorganic process combines green economy with engineering applicability, providing theoretical support and technical pathways for targeted recovery and high‐value utilization of Cs + /Rb + resources in complex brine systems.","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/rar2.70077","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147332368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electronic Modulation of Cu Sites via Iron Incorporation in Cu 5 FeS 4 Bimetallic Sulfide for High‐Efficiency Oxygen Reduction Reaction Cu 5fes4双金属硫化物中铁掺杂对Cu位的电子调制及高效氧还原反应
1区 材料科学
Rare Metals Pub Date : 2025-12-28 DOI: 10.1002/rar2.70108
Taichong Chitboonyakasem, Yi-Tian Gao, Xinbo Qiu, Jing Peng, Jian Zhou
{"title":"Electronic Modulation of Cu Sites via Iron Incorporation in Cu <sub>5</sub> FeS <sub>4</sub> Bimetallic Sulfide for High‐Efficiency Oxygen Reduction Reaction","authors":"Taichong Chitboonyakasem, Yi-Tian Gao, Xinbo Qiu, Jing Peng, Jian Zhou","doi":"10.1002/rar2.70108","DOIUrl":"https://doi.org/10.1002/rar2.70108","url":null,"abstract":"ABSTRACT The sluggish kinetics of the oxygen reduction reaction (ORR) necessitate developing oxygen electrodes with enhanced electrocatalytic activity for practical zinc–air battery applications. In this study, an iron‐doped copper sulfide electrocatalyst (CuFeNS‐PNC) anchored on metal–organic framework‐derived carbon substrates was designed, featuring a bimetallic Cu 5 FeS 4 architecture where iron electronically modulates copper sites. The performance enhancement of this copper–iron sulfide bimetallic system relative to a monometallic copper sulfide arises from synergistic Fe‐Cu interactions, as confirmed by X‐ray photoelectron spectroscopy (XPS), revealing electron transfer from iron to copper. Density functional theory (DFT) calculations demonstrate that iron incorporation downshifts the copper d‐band center, weakening OH* adsorption energy to a more optimal level, thereby boosting ORR kinetics. Consequently, the CuFeNS‐PNC catalyst achieves superior electrocatalytic performance with an ORR onset potential ( E onset ) of 0.988 V and a half‐wave potential ( E 1/2 ) of 0.874 V, significantly surpassing commercial Pt/C and conventional metallic sulfide catalysts. When integrated into a zinc–air battery, it delivers a high open‐circuit voltage (1.450 V), specific capacity (789 mAh g −1 ), and peak power density (117.9 mW cm −2 ). This work provides valuable guidelines for the rational design and synthesis of electronically modulated metallic sulfides to enhance ORR activity for energy storage and conversion applications.","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"45 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/rar2.70108","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147333475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sulfur Vacancy Engineering of Coralloidal Bi 2 S 3 @In 2 S 3 Heterojunction for Enhanced Photocatalytic Removal of Cr(VI)/Antibiotic Mixed Pollutants 珊瑚状bi2s3 @ in2s3异质结的硫空缺工程增强光催化去除Cr(VI)/抗生素混合污染物
1区 材料科学
Rare Metals Pub Date : 2025-12-28 DOI: 10.1002/rar2.70028
Lei Zhang, Jianhao Qiu, Biyao Fang, Guanglu Xia, Chen Chen, Meng Liu, Yixin Li, Yuehua Chen, Jianfeng Yao
{"title":"Sulfur Vacancy Engineering of Coralloidal Bi <sub>2</sub> S <sub>3</sub> @In <sub>2</sub> S <sub>3</sub> Heterojunction for Enhanced Photocatalytic Removal of Cr(VI)/Antibiotic Mixed Pollutants","authors":"Lei Zhang, Jianhao Qiu, Biyao Fang, Guanglu Xia, Chen Chen, Meng Liu, Yixin Li, Yuehua Chen, Jianfeng Yao","doi":"10.1002/rar2.70028","DOIUrl":"https://doi.org/10.1002/rar2.70028","url":null,"abstract":"ABSTRACT Defects can tune the band structure of semiconductors, thereby reconfiguring the corresponding heterojunctions. In this study, coralloidal Bi 2 S 3 @In 2 S 3 heterostructures rich in sulfur vacancies were successfully developed via a one‐step hydrothermal method with content regulation of the sulfur source. In 2 S 3 nanosheets are evenly distributed along Bi 2 S 3 nanorod clusters, imparting a unique coralloidal structure and compact interfacial contact that accelerates the transportation of photoinduced electrons and holes. Moreover, the sulfur vacancy strengthens the light absorption and enables staggered energy band alignment for Bi 2 S 3 @In 2 S 3 heterostructures, which further promotes charge carrier separation. Owing to these favorable features, the coralloidal Bi 2 S 3 @In 2 S 3 heterostructure with rich sulfur vacancies exhibited a high photocatalytic efficiency for Cr(VI) reduction, whose reaction rate constant is 34.9, 8.1 and 1.9‐fold enhancements compared with those of Bi 2 S 3 , In 2 S 3 , and the Bi 2 S 3 @In 2 S 3 heterostructure with poor sulfur vacancies, respectively. For simultaneous Cr(VI) reduction and antibiotic (tetracycline and ciprofloxacin) degradation under visible light, the excellent Cr(VI) reduction performance was kept and the degradation rates of the antibiotics clearly increased (more than 25%) compared with those of the reactions in the corresponding solo system, which was due to the synergistic effect of efficient utilization of photoinduced electrons and holes. This article provides valuable insight and guidance for the design of defective heterostructures and the treatment of complex water pollutants.","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"45 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/rar2.70028","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147903751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术官方微信
小红书