Materials Research Bulletin最新文献_第3页

Organic semiconductor poly-2,6-diaminoanthraquinone composite and Bi loading synergistically enhance the photoelectrochemical cathodic protection performance of BiVO4 有机半导体聚2,6-二氨基蒽醌复合材料与Bi负载协同增强了BiVO4的光电阴极保护性能

IF 5.7 3区材料科学

Materials Research Bulletin Pub Date : 2025-09-16 DOI: 10.1016/j.materresbull.2025.113789

Juan Liu, Yingnan Qin, Meiqi Wang, Hengjun Liu, Tao Zheng, Jing Tian, Jing Wang

{"title":"Organic semiconductor poly-2,6-diaminoanthraquinone composite and Bi loading synergistically enhance the photoelectrochemical cathodic protection performance of BiVO4","authors":"Juan Liu, Yingnan Qin, Meiqi Wang, Hengjun Liu, Tao Zheng, Jing Tian, Jing Wang","doi":"10.1016/j.materresbull.2025.113789","DOIUrl":"10.1016/j.materresbull.2025.113789","url":null,"abstract":"<div><div>BiVO<sub>4</sub>-based materials have attracted extensive research as advanced photoanode for photogenerated cathodic protection. However, the performance of BiVO<sub>4</sub>-based photoanodes is greatly hindered by its weak charge migration and positive conduction band potential. Herein, poly-2,6-diaminoanthraquinone (PDAAQ)/Bi was grafted on BiVO<sub>4</sub> to improve the separation efficiency of photogenerated carriers and enhance the reducing ability of photogenerated electrons. Studies show that a type II heterojunction can be formed between PDAAQ and BiVO<sub>4</sub>, which accelerates the separation of photogenerated carriers at the interface. In addition, the Bi monomers anchored on BiVO<sub>4</sub>/PDAAQ then expand the light absorption range through the surface plasmon resonance effect. Consequently, the obtained BiVO<sub>4</sub>/PDAAQ/Bi photoanode exhibits a promising photocurrent density of 40 μA·cm<sup>-2</sup>, while the photoinduced potential drop is 540 mV, which is approximately 1.4 times of BiVO<sub>4</sub> materials. These outcomes provide general ideas for the design of organic-inorganic heterozygous systems for achieving eco-friendly corrosion protection.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"194 ","pages":"Article 113789"},"PeriodicalIF":5.7,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145095988","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}

引用次数: 0

Examination of spectroscopic and thermographic qualities of Tm-doped and Yb/Er co-doped germanate tellurite glasses tm掺杂和Yb/Er共掺杂锗酸盐碲酸盐玻璃的光谱和热成像特性研究

IF 5.7 3区材料科学

Materials Research Bulletin Pub Date : 2025-09-16 DOI: 10.1016/j.materresbull.2025.113786

R. Lisiecki, P. Solarz, W. Ryba-Romanowski

{"title":"Examination of spectroscopic and thermographic qualities of Tm-doped and Yb/Er co-doped germanate tellurite glasses","authors":"R. Lisiecki, P. Solarz, W. Ryba-Romanowski","doi":"10.1016/j.materresbull.2025.113786","DOIUrl":"10.1016/j.materresbull.2025.113786","url":null,"abstract":"<div><div>Oxyfluride Germanate Tellurite glasses single doped with (Tm<sup>3+</sup>) thulium, (Tm<sup>3+</sup>,Yb<sup>3+</sup>) thulium / ytterbium co-doped and (Tm<sup>3+</sup>,Yb<sup>3+</sup>,Er<sup>3+</sup>) thulium / ytterbium / erbium triple-doped were fabricated. Room temperature absorption spectra were employed to evaluate the relevant radiative transition rates and branching ratio of luminescence. Distribution of the measured emission lines within UV–vis spectral region is considerably different when the selective excitation wavelengths at 358 nm and 445 nm were utilized. The excellent color purity exceeding 90 % was estimated for Tm-doped glass luminescence. The significant quantum efficiency of thulium first excited state and the related NIR emission cross section indicate potential optical amplification between 1908–2080 nm. Effective broad band tellurium optical spectra were examined employing synchrotron radiation. Ultrashort laser pulse excitations disclosed the different relaxation dynamic of the excited states and the involved interionic phenomena. Luminescence intensity ratios as function of temperature were determined for some diverse combinations of the measured bands originating in thermally coupled and non-thermally coupled levels. The highest value of relative sensitivity S<sub>r</sub>=0.78 %K<sup>-1</sup> at <em>T</em> = 350 K was acquired for a Tm/Yb/Er co-doped glass utilizing both anti-Stokes emissions of thulium and erbium.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"194 ","pages":"Article 113786"},"PeriodicalIF":5.7,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145095989","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}

引用次数: 0

Enhanced UV–visible to infrared detection in PEDOT: PSS/Bi₂Te₃-based hybrid sensor PEDOT: PSS/Bi₂Te₃混合传感器中增强的uv -可见光到红外检测

IF 5.7 3区材料科学

Materials Research Bulletin Pub Date : 2025-09-13 DOI: 10.1016/j.materresbull.2025.113784

Anique Ahmed , Tahseen Amin Khan Qasuria , Zeeshan Ashraf , Khasan S. Karimov , Noshin Fatima

{"title":"Enhanced UV–visible to infrared detection in PEDOT: PSS/Bi₂Te₃-based hybrid sensor","authors":"Anique Ahmed , Tahseen Amin Khan Qasuria , Zeeshan Ashraf , Khasan S. Karimov , Noshin Fatima","doi":"10.1016/j.materresbull.2025.113784","DOIUrl":"10.1016/j.materresbull.2025.113784","url":null,"abstract":"<div><div>Here we report a simple and inexpensive sensor that is capable of measuring a wide range Ultraviolet (UV)-Visible to Infrared (IR) illuminations. The device was fabricated by depositing Poly3,4-ethylene dioxythiophene: polystyrene sulfonate (PEDOT: PSS) and Bismuth Telluride (Bi<sub>2</sub>Te<sub>3</sub>) based thin film on FTO glass substrate via drop casting technique. The deposited PEDOT: PSS/Bi<sub>2</sub>Te<sub>3</sub> film was used as an active material to sense UV, Visible, and IR radiations. To investigate the surface morphology of PEDOT: PSS/Bi<sub>2</sub>Te<sub>3</sub> based fabricated sensor, the scanning electron microscopy (SEM) and atomic force microscopy (AFM) were accomplished. UV-Vis absorption spectrum and X-ray diffraction spectroscopy (XRD) were obtained to study the absorption and composition of the fabricated device. The impact of light on the electrical resistance of the device at the frequency of 100 Hz, 120 Hz, and 1 kHz has been examined. The measurements indicate the declining trend in resistance as the intensity of UV, Visible and IR light increased from 0-810 M/m<sup>2</sup>,0-14200 Lux and 0-6850 W/m<sup>2</sup>. The assembled device response shows a splendid sensing performance towards variation in light intensity, with good photoresponse that discloses its potential photodetector applications. Besides, the easy fabrication technique along with inexpensive materials utilized further hoist its significance.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"194 ","pages":"Article 113784"},"PeriodicalIF":5.7,"publicationDate":"2025-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145154534","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}

引用次数: 0

Activated carbon-supported nano zero-valent iron (nZVI@AC) for enhanced peracetic acid activation in Fenton-like degradation of sulfamethoxazole 活性炭负载的纳米零价铁（nZVI@AC）增强过氧乙酸在fenton样降解磺胺甲恶唑中的活化

IF 5.7 3区材料科学

Materials Research Bulletin Pub Date : 2025-09-13 DOI: 10.1016/j.materresbull.2025.113780

Sichu Xing, Chundi Zhou, Minghao Sui

{"title":"Activated carbon-supported nano zero-valent iron (nZVI@AC) for enhanced peracetic acid activation in Fenton-like degradation of sulfamethoxazole","authors":"Sichu Xing, Chundi Zhou, Minghao Sui","doi":"10.1016/j.materresbull.2025.113780","DOIUrl":"10.1016/j.materresbull.2025.113780","url":null,"abstract":"<div><div>This study presented a novel nano zero-valent iron anchored on activated carbon (nZVI@AC) catalyst, designed to overcome the inherent aggregation and oxidation limitations of bare nZVI. The nZVI@AC composite exhibited high catalytic activity for peracetic acid (PAA) activation, achieving complete degradation of sulfamethoxazole (SMX) within 10 min (<em>k</em><sub>obs</sub> = 0.3171 min<sup>-1</sup>). Characterizations confirmed that the AC support significantly enhanced electron transfer and increased the electron-donating capacity. This maximized exposure of active Fe<sup>2+</sup> species, which was crucial for efficient PAA activation and reactive oxygen species (ROS) generation. Radical quenching, electron paramagnetic resonance, and probe experiments identified hydroxyl radicals, singlet oxygen (<sup>1</sup>O<sub>2</sub>), and acetylperoxyl radicals as the primary ROS, with <sup>1</sup>O<sub>2</sub> playing the dominant role. The nZVI@AC/PAA system demonstrated remarkable stability and practical viability. This work established nZVI@AC as an efficient, stable, and versatile catalyst for PAA-based advanced oxidation processes, offering promising potential for water remediation applications.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"194 ","pages":"Article 113780"},"PeriodicalIF":5.7,"publicationDate":"2025-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145095991","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}

引用次数: 0

Manipulating the oxidation state of Cu ions in BaAlBO3F2 via X-rays and thermal treatment 通过x射线和热处理控制BaAlBO3F2中Cu离子的氧化态

IF 5.7 3区材料科学

Materials Research Bulletin Pub Date : 2025-09-11 DOI: 10.1016/j.materresbull.2025.113779

Go Okada , Kenji Shinozaki , Ryuunosuke Saito , Hidehito Nanto

{"title":"Manipulating the oxidation state of Cu ions in BaAlBO3F2 via X-rays and thermal treatment","authors":"Go Okada , Kenji Shinozaki , Ryuunosuke Saito , Hidehito Nanto","doi":"10.1016/j.materresbull.2025.113779","DOIUrl":"10.1016/j.materresbull.2025.113779","url":null,"abstract":"<div><div>The oxidation state of Cu in BaAlBO₃F₂ (BABF) is reduced to Cu<sup>+</sup> by ionizing radiation. In the as-prepared state, the higher oxidation state of Cu is considered to occupy two different crystallographic sites (A and B), which are possibly the five-coordinate Al<sup>3+</sup> and the twelve-coordinate Ba<sup>2+</sup> site, respectively. Upon X-ray ionization of the host matrix, electrons are selectively captured by the Cu ion at the B site, reducing the oxidation state to the monovalent Cu<sup>+</sup> state. This reduction leads to a photoluminescence (PL) band peaking at 520 nm under UV excitation, corresponding to the 3d<sup>9</sup>4s<sup>1</sup> → 3d<sup>10</sup> transition of Cu<sup>+</sup>. The evolution of the PL band (or the formation of a luminescent center) induced by ionizing radiation is referred to as radiophotoluminescence (RPL). The RPL emission intensity is proportional to the X-ray irradiation dose and can be reversed by heat treatment. During heat treatment at temperatures ranging from 100 to 200 °C, electrons from the Cu<sup>+</sup> center at the B site are transferred to the higher oxidation state of Cu at the A site. Consequently, another Cu<sup>+</sup> center is formed at the A site, resulting in a PL band peaking at 580 nm, while the intensity of the 520 nm peak decreases due to the depopulation of Cu<sup>+</sup> at the B site. Furthermore, increasing the treatment temperature above 350 °C reverses the electron transfer at the A site. The formation and annihilation of Cu centers with different oxidation states are reproducible multiple times.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"194 ","pages":"Article 113779"},"PeriodicalIF":5.7,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145095990","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}

引用次数: 0

MoO3 nanosheets anchored in N-doped reduced graphene oxide as superior anodes for high-performance lithium storage 锚定在n掺杂还原氧化石墨烯中的MoO3纳米片作为高性能锂存储的优越阳极

IF 5.7 3区材料科学

Materials Research Bulletin Pub Date : 2025-09-11 DOI: 10.1016/j.materresbull.2025.113781

Litao Han, Hong Liu, Chen Lu, Yuanzhi Wei, Fanjun Kong

{"title":"MoO3 nanosheets anchored in N-doped reduced graphene oxide as superior anodes for high-performance lithium storage","authors":"Litao Han, Hong Liu, Chen Lu, Yuanzhi Wei, Fanjun Kong","doi":"10.1016/j.materresbull.2025.113781","DOIUrl":"10.1016/j.materresbull.2025.113781","url":null,"abstract":"<div><div>Molybdenum trioxide (MoO<sub>3</sub>) possesses unique layered structure with high theoretical capacity and good environmental friendliness, which has been widely investigated as a potential anode material. Herein, MoO<sub>3</sub> nanosheets anchored in N-doped reduced graphene oxide (MoO<sub>3</sub>/NG) composite was constructed and prepared through hydrothermal reaction and post-calcination. The introduction of NG matrix can enhance the electronic conductivity and accelerate reaction kinetics of the MoO<sub>3</sub>, and solve the problem of severe capacity decay caused by its volume changes. MoO<sub>3</sub>/NG composite can deliver superior cycling performance (900.2 mAh <em>g</em><sup>−1</sup> at 0.2 Ag<sup>−1</sup> after 100 cycles and 407.5 mAh <em>g</em><sup>−1</sup> at 10.0 Ag<sup>−1</sup> after 500 cycles) and fast reaction kinetics with high diffusion coefficients and low charge transfer resistances. Moreover, the excellent electrochemical performance of the full battery lays a solid foundation for subsequent commercial application research.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"194 ","pages":"Article 113781"},"PeriodicalIF":5.7,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145095986","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}

引用次数: 0

Polyphenol-functionalized metal-organic frameworks: A strategic platform for advanced cancer drug delivery and synergistic therapy 多酚功能化金属有机框架：晚期癌症药物传递和协同治疗的战略平台

IF 5.7 3区材料科学

Materials Research Bulletin Pub Date : 2025-09-11 DOI: 10.1016/j.materresbull.2025.113778

Alireza Hashemzadeh , Yasir Qasim Almajidi , Maher Abdulrazzaq Al-Hakeem , Chou-Yi Hsu , Prakhar Tomar , Ahmed Hjazi , Wesam R. Kadhum , Abdul_Kareem Nasir , Hayder Ridha-Salman , Mohammad Ehsan Taghavizadeh Yazdi

{"title":"Polyphenol-functionalized metal-organic frameworks: A strategic platform for advanced cancer drug delivery and synergistic therapy","authors":"Alireza Hashemzadeh , Yasir Qasim Almajidi , Maher Abdulrazzaq Al-Hakeem , Chou-Yi Hsu , Prakhar Tomar , Ahmed Hjazi , Wesam R. Kadhum , Abdul_Kareem Nasir , Hayder Ridha-Salman , Mohammad Ehsan Taghavizadeh Yazdi","doi":"10.1016/j.materresbull.2025.113778","DOIUrl":"10.1016/j.materresbull.2025.113778","url":null,"abstract":"<div><div>Polyphenol-functionalized metal-organic frameworks (MOFs) have emerged as a revolutionary paradigm in cancer therapeutics, combining the structural versatility of MOFs with the bioactive and multifunctional properties of polyphenols. This review comprehensively analyzes recent advancements in the design, synthesis, and biomedical applications of polyphenol-MOF hybrids for targeted drug delivery and synergistic cancer therapy. By leveraging polyphenols such as tannic acid, epigallocatechin gallate (EGCG), gallic acid, and polydopamine, these hybrid systems exhibit enhanced biocompatibility, pH-responsive drug release, and tumor-targeting capabilities. Key innovations include the integration of polyphenol coatings or coordination networks with MOFs (e.g., ZIF-8, MIL-100, UiO-66) to enable stimuli-triggered cargo release, reactive oxygen species (ROS) generation, and multimodal therapeutic effects (chemodynamic, photothermal, and sonodynamic therapy). Case studies highlight the role of polyphenol-MOF hybrids in overcoming limitations of conventional chemotherapy, such as poor drug solubility, off-target toxicity, and multidrug resistance. Furthermore, in vitro and in vivo evaluations demonstrate their efficacy in inducing apoptosis, depleting glutathione (GSH), and enhancing immunotherapy responses. Challenges such as scalability, long-term biosafety, and clinical translation are critically discussed, alongside future directions for engineering next-generation polyphenol-MOF nanoplatforms. This review underscores the transformative potential of polyphenol-MOF hybrids in precision oncology and advocates for their integration into mainstream cancer treatment strategies.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"194 ","pages":"Article 113778"},"PeriodicalIF":5.7,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145118433","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}

引用次数: 0

Optimization of oxygen evolution performance with multi-component high entropy alloy catalyst 多组分高熵合金催化剂析氧性能优化

IF 5.7 3区材料科学

Materials Research Bulletin Pub Date : 2025-09-09 DOI: 10.1016/j.materresbull.2025.113777

Tao Tian , Yongshuai Zhang , Huabo Huang , Qianqian Jiang , Jianguo Tang

{"title":"Optimization of oxygen evolution performance with multi-component high entropy alloy catalyst","authors":"Tao Tian , Yongshuai Zhang , Huabo Huang , Qianqian Jiang , Jianguo Tang","doi":"10.1016/j.materresbull.2025.113777","DOIUrl":"10.1016/j.materresbull.2025.113777","url":null,"abstract":"<div><div>High-entropy alloys (HEAs) are excellent catalyst supports due to their large specific surface area, tunable morphology, and uniform distribution of metal ions. With their unique structural characteristics, HEAs can provide more catalytic active sites, thereby improving performance and stability and enhancing synergistic catalytic effects. In this context, researchers have successfully synthesized HEAs-FeNiCoCd catalysts using nickel foam as a substrate via a hydrothermal method. Using nickel foam as a substrate significantly enhances the catalyst's porosity. Observations reveal that the catalyst exhibits a nano-flower-like structure, featuring a large number of active sites and a vast specific surface area, thereby providing more reaction centers and significantly improving catalytic reaction rates and efficiency. The catalyst was tested in a series of experiments using 1 M KOH solution. In the oxygen evolution reaction (OER), at a current density of 10 mA·cm<sup>-2</sup>, the overpotential was only 150.4 mV, and the Tafel slope was only 58.06 mV·dec<sup>-1</sup>, with excellent stability. With its outstanding catalytic performance, stability, corrosion resistance, and low cost, the HEAs catalyst will play an important role in more fields.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"194 ","pages":"Article 113777"},"PeriodicalIF":5.7,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145095985","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}

引用次数: 0

Introduction of built-in electric fields induced by oxygen vacancy gradient distribution to drive high-performance BiFeO3-based self-powered photodetectors 引入由氧空位梯度分布诱导的内置电场来驱动高性能bifeo3基自供电光电探测器

IF 5.7 3区材料科学

Materials Research Bulletin Pub Date : 2025-09-08 DOI: 10.1016/j.materresbull.2025.113776

Youxin Yuanfeng , Jie Wei , Shigeng Song , Zehao Sun , Junlong Zhang , Ao Cao , Xuyu Shen , Guogang Chen

{"title":"Introduction of built-in electric fields induced by oxygen vacancy gradient distribution to drive high-performance BiFeO3-based self-powered photodetectors","authors":"Youxin Yuanfeng , Jie Wei , Shigeng Song , Zehao Sun , Junlong Zhang , Ao Cao , Xuyu Shen , Guogang Chen","doi":"10.1016/j.materresbull.2025.113776","DOIUrl":"10.1016/j.materresbull.2025.113776","url":null,"abstract":"<div><div>Due to the unique ferroelectric photovoltaic properties, Bismuth Ferrite (BiFeO<sub>3</sub>) is an ideal candidate for miniaturized and high-integration self-powered photodetectors. In this study, a new device structure was designed and constructed using (La, Ni)-gradient-doped BiFeO<sub>3</sub> multi-layers film for achieving a high-performance self-powered photodetector. For instance, such a photodetector achieved a responsivity of 18.7 mA/W and a detectivity of 9.12 × 10<sup>8</sup> Jones, whose performance is 2 to 4 times those of devices without a gradient structure. An underlying mechanism was proposed that the gradient doping introduced a spatial gradient of oxygen vacancies and lattice in the multilayers film, which in turn generated two novel gradient electric fields (oxygen vacancy gradient field and flexoelectric field). The coupling of these built-in electric fields significantly facilitated the separation of photogenerated carriers and thus enhanced the photocurrent density, which greatly improved the photovoltaic and photoresponse performance of photodetector.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"194 ","pages":"Article 113776"},"PeriodicalIF":5.7,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145045168","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}

引用次数: 0

Advancements in cathode materials for aqueous proton batteries 水溶液质子电池正极材料的研究进展

IF 5.7 3区材料科学

Materials Research Bulletin Pub Date : 2025-09-08 DOI: 10.1016/j.materresbull.2025.113775

Weichao Zhang , Xinglin Yang , Fang Yu , Yijiang Pan

{"title":"Advancements in cathode materials for aqueous proton batteries","authors":"Weichao Zhang , Xinglin Yang , Fang Yu , Yijiang Pan","doi":"10.1016/j.materresbull.2025.113775","DOIUrl":"10.1016/j.materresbull.2025.113775","url":null,"abstract":"<div><div>Aqueous proton (hydrogen-ion) batteries (APBs) have attracted significant attention recently as one of the most promising alternatives to lithium-ion batteries. However, the advancement of APBs is largely constrained by the slow development of cathode materials. This review summarizes the latest progress in APB cathode materials, including metal oxides, Prussian blue analogs, and organic materials. The electrochemical properties of these reported cathode materials—including charge storage mechanisms, capacity, rate performance, and cycling stability—are identified and analyzed to enable the development of high-performance APBs suitable for practical applications. The intricate interplay between material structures and proton dynamics is thoroughly examined, revealing how nanostructure engineering, heteroatom doping, and strategic material compositing can lead to unprecedented performance enhancements. Finally, the technological advancements, scientific challenges, and future research opportunities of APB cathode materials are briefly reviewed. Additionally, strategies to enhance their electrochemical performance are proposed, providing insights and guidance for the next phase of APB research.</div></div>","PeriodicalId":18265,"journal":{"name":"Materials Research Bulletin","volume":"194 ","pages":"Article 113775"},"PeriodicalIF":5.7,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145045167","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}

引用次数: 0