Journal of Colloid and Interface Science最新文献_第8页

Self-supply activation Fenton-like system for water purification using polyethyleneimine-driven electron pumps in polymeric carbon nitride 用聚乙烯亚胺驱动的电子泵在聚合物氮化碳中自供活化类芬顿水净化系统

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-07-10 DOI: 10.1016/j.jcis.2025.138408

Kaizhou Huang , Jiajie Xu , Wei Qu , Tenghui Jin , Yi Yang , Xiao Liu , Rajasekhar Balasubramanian , J. Paul Chen

{"title":"Self-supply activation Fenton-like system for water purification using polyethyleneimine-driven electron pumps in polymeric carbon nitride","authors":"Kaizhou Huang , Jiajie Xu , Wei Qu , Tenghui Jin , Yi Yang , Xiao Liu , Rajasekhar Balasubramanian , J. Paul Chen","doi":"10.1016/j.jcis.2025.138408","DOIUrl":"10.1016/j.jcis.2025.138408","url":null,"abstract":"<div><div>A hierarchically structured photocatalyst composite bead (CS-PG<sub>0.5%</sub>-Fe) was developed in this study through a synergistic electronic modulation strategy, incorporating porphyrin-tailored polymeric carbon nitride (C<sub>3</sub>N<sub>4</sub>por), Fe(III) coordination, and polyethylenimine(PEI)-alginate cross-linked matrix to overcome challenges in Fenton-like wastewater treatment. The multi-component architecture was constructed via triple cross-linking treatment, with comprehensive mechanistic analysis employing in-situ characterization, reactive species tracking, and theoretical calculations to reveal the photo-driven H<sub>2</sub>O<sub>2</sub> self-supply and activation processes. PEI acted as an electron pump and proton-relay mediator to enhance C<sub>3</sub>N<sub>4</sub> charge separation, while the cross-linked structure enabled spatially the confined H<sub>2</sub>O<sub>2</sub> activation. With 0.5 % PEI crosslinking identified as the optimal condition in the material fabrication, the composite achieved an exceptionally high H<sub>2</sub>O<sub>2</sub> production rate and rapid atrazine degradation (<em>k</em> = 0.0234 min<sup>−1</sup>), and efficient Fe<sup>2+</sup>/Fe<sup>3+</sup> cycling with 96.05 % stability after four consecutive cycles. This study demonstrates an effective approach to simultaneously regulate charge separation and reaction pathways in photocatalytic-Fenton-like systems, offering a scalable solution for energy-autonomous water purification with less chemical inputs and recyclable catalytic components.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138408"},"PeriodicalIF":9.4,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144662974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Ferroelectric polarization modulated optoelectronic synapses based on BaTiO3/TiO2 heterojunction for non-volatile visual memory 基于BaTiO3/TiO2异质结的铁电极化调制光电突触用于非易失性视觉记忆

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-07-10 DOI: 10.1016/j.jcis.2025.138398

Zhifei Jian , Wenhua Li , Lin Zhang , Xingui Tang , Renkai Zhao , Yongxi Liang , Yanping Jiang , Xiaobin Guo , Guowu Tang , Kai Yan

{"title":"Ferroelectric polarization modulated optoelectronic synapses based on BaTiO3/TiO2 heterojunction for non-volatile visual memory","authors":"Zhifei Jian , Wenhua Li , Lin Zhang , Xingui Tang , Renkai Zhao , Yongxi Liang , Yanping Jiang , Xiaobin Guo , Guowu Tang , Kai Yan","doi":"10.1016/j.jcis.2025.138398","DOIUrl":"10.1016/j.jcis.2025.138398","url":null,"abstract":"<div><div>The growing demand for neuromorphic computing architectures that mimic biological information processing has driven extensive research on optoelectronic synapses with multimodal neuromodulation capabilities. In this study, BaTiO<sub>3</sub>/TiO<sub>2</sub> optoelectronic synaptic devices with high non-volatile memory characteristics were constructed by interfacial energy band engineering. This heterojunction synaptic device achieves a 1350 % enhancement in relaxation time (<em>τ</em><sub><em>2</em></sub> = 84.14 s) compared to conventional BaTiO<sub>3</sub> device (<em>τ</em><sub><em>2</em></sub> = 6.21 s). Moreover, short-term to long-term memory conversion and the cognitive process of “learning experience” are achieved by adjusting light pulse parameters. Through further investigation, a synergistic ferroelectric polarization strategy is proposed, demonstrating that downward polarization extends <em>τ</em><sub><em>2</em></sub> to 202.93 s, with image retention time exceeding 4800 s. The synaptic device demonstrates biological-level energy efficiency (10.45 fJ) while achieving 97.5 % and 89.05 % recognition accuracy on MNIST and Fashion-MNIST datasets, respectively, through convolutional neural networks. This work not only exhibits the application prospect of ferroelectric semiconductor-based heterojunction in artificial optoelectronic synapse but also provides new ideas for the design and application of multimodal neuromorphic devices.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138398"},"PeriodicalIF":9.4,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144632198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synergetic enhancement of photocatalytic ammonia borane hydrolysis via localized surface plasmon resonance and metal-support interaction 通过局部表面等离子体共振和金属载体相互作用协同增强光催化氨硼烷水解

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-07-10 DOI: 10.1016/j.jcis.2025.138418

Yong-Kun Xu , Shuai Wei , Hong-Chao Shi , Yu Wang , Xin-Zheng Yue

{"title":"Synergetic enhancement of photocatalytic ammonia borane hydrolysis via localized surface plasmon resonance and metal-support interaction","authors":"Yong-Kun Xu , Shuai Wei , Hong-Chao Shi , Yu Wang , Xin-Zheng Yue","doi":"10.1016/j.jcis.2025.138418","DOIUrl":"10.1016/j.jcis.2025.138418","url":null,"abstract":"<div><div>Ammonia borane (AB, NH<sub>3</sub>BH<sub>3</sub>) possesses a high hydrogen storage capacity, rendering it an ideal candidate among various hydrogen storage materials. Enhancing the optical performance and electron density at active sites represents an effective strategy for achieving high-efficiency hydrogen production via photocatalytic AB hydrolysis. This study utilized phosphorus-doped (P-doped) sea urchin-shaped titanium dioxide (TiO<sub>2</sub>) as a support for loading copper‑cobalt (CuCo) bimetallic alloy nanoparticles, leading to the development of the Cu<sub>0.5</sub>Co<sub>0.5</sub>/P-TiO<sub>2</sub> photocatalyst for the hydrolysis of AB to generate hydrogen (H<sub>2</sub>). At 298 K, the H<sub>2</sub> production rate under illumination was measured at 957 mL min<sup>−1</sup> g<sup>−1</sup>, with a turnover frequency (TOF) of 28.23 min<sup>−1</sup> under light conditions, which is 1.45 times higher than that observed in darkness. Experimental characterization reveals that the superior photocatalytic activity can be attributed to the localized surface plasmon resonance (LSPR) effect of metallic Cu as well as the metal-support (Cu<sub>0.5</sub>Co<sub>0.5</sub>/P-TiO<sub>2</sub>) interaction. The synergistic effect of these factors enhances optical performance, optimizes the electronic structure of the catalyst, and effectively modulates the electron density of the active site of Co. This work presents a straightforward approach for achieving low-cost and efficient catalytic hydrolysis of AB to produce H<sub>2</sub>.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138418"},"PeriodicalIF":9.4,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144632201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Thermodynamically engineered V3O7/V6O13 heterojunction enable high-performance aqueous zinc-ion batteries through cooperative dual-phase storage 热力学工程vo7 /V6O13异质结通过协同双相存储实现高性能水性锌离子电池

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-07-10 DOI: 10.1016/j.jcis.2025.138366

Yanzi Lei , Dawei Chai , Bin Zhang , Zhiwei Guo , Danling Zhang , Luyao Luo , Kuang Xu , Shiyu Hu , Niandi Chen , Hai Wang

{"title":"Thermodynamically engineered V3O7/V6O13 heterojunction enable high-performance aqueous zinc-ion batteries through cooperative dual-phase storage","authors":"Yanzi Lei , Dawei Chai , Bin Zhang , Zhiwei Guo , Danling Zhang , Luyao Luo , Kuang Xu , Shiyu Hu , Niandi Chen , Hai Wang","doi":"10.1016/j.jcis.2025.138366","DOIUrl":"10.1016/j.jcis.2025.138366","url":null,"abstract":"<div><div>Developing high-performance cathode materials with excellent rate capability and long-term cycling stability remains a critical challenge for aqueous zinc-ion batteries (AZIBs). Herein, we demonstrate a novel strategy for synthesizing V<sub>3</sub>O<sub>7</sub>/V<sub>6</sub>O<sub>13</sub> heterojunction through thermodynamically controlled phase transformation. Unlike traditional heterostructure designs that rely on interfacial effects or conductive carbon additives, this work presents a paradigm shift by utilizing the synergistic effects of individual components through a simple hydrothermal method combined with low-temperature heat treatment. The rational design enables in-situ generation of V<sub>6</sub>O<sub>13</sub> through controlled oxygen vacancy formation in V<sub>3</sub>O<sub>7</sub>. The unique heterostructure exhibits exceptional electrochemical performance, delivering a high reversible capacity of 278.5 mAh g<sup>−1</sup> at 0.1 A g<sup>−1</sup> and maintaining 163.5 mAh g<sup>−1</sup> at 5 A g<sup>−1</sup> over 4000 cycles with 84.8 % retention. Mechanistic investigations, complemented by density functional theory (DFT) calculations which revealed favorable interfacial energetics and charge redistribution, reveal that the superior performance originates from a novel cooperative dual-phase storage mechanism, where the metallic V<sub>6</sub>O<sub>13</sub> and the formation of reversible H<sub>3.78</sub>V<sub>6</sub>O<sub>13</sub> facilitate the thermodynamically favorable formation of Zn<sub>3</sub>V<sub>2</sub>O<sub>7</sub>(OH)<sub>2</sub>·2H<sub>2</sub>O through H<sup>+</sup> consumption. This work provides new insights into designing high-performance cathode materials through thermodynamically controlled phase engineering.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138366"},"PeriodicalIF":9.4,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144614904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Tailoring multifunctional iron-ruthenium interfaces to minimize competitive adsorption of hydrogen and hydroxyl species for enhanced alkaline hydrogen evolution reaction 剪裁多功能铁钌界面，以最大限度地减少氢和羟基物种的竞争性吸附，以增强碱性析氢反应

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-07-10 DOI: 10.1016/j.jcis.2025.138399

Xiang Tian , Yan Zhan , Xian Zhang , Wei Lian , Jie Wu , Feng Gu , Huanyu Zhu , Zhiguang Guo , Jianbo Li , Mildred Quintana

{"title":"Tailoring multifunctional iron-ruthenium interfaces to minimize competitive adsorption of hydrogen and hydroxyl species for enhanced alkaline hydrogen evolution reaction","authors":"Xiang Tian , Yan Zhan , Xian Zhang , Wei Lian , Jie Wu , Feng Gu , Huanyu Zhu , Zhiguang Guo , Jianbo Li , Mildred Quintana","doi":"10.1016/j.jcis.2025.138399","DOIUrl":"10.1016/j.jcis.2025.138399","url":null,"abstract":"<div><div>Alleviating the competition adsorption between H* and OH* adsorption on catalysts represents a fundamental challenge for optimizing the catalytic efficiency of alkaline hydrogen evolution reactions (HER). Herein, a multiphase heterojunction of Ru nanoparticles modified FeOOH/FeS (Ru-FeOOH/FeS) was designed to minimize OH*-induced site blocking and free Ru active sites for efficient HER. Typically, the optimized Ru-FeOOH/FeS demonstrated superior performance, requiring only 22.26 and 259.74 mV of overpotentials to reach current densities of 10 and 500 mA cm<sup>−2</sup>, respectively, and maintaining stable operation over 70 h. Additionally, the mass activity at an overpotential of 200 mV was increased 3.5-fold over commercial Pt/C (5.44 A·mg<sub>Ru</sub><sup>−1</sup> vs 1.57 A·mg<sub>pt</sub><sup>−1</sup>, Pt/C). Density functional theory calculations confirmed that the disparity in OH* adsorption energy was established at the Ru-FeOOH interface, where FeOOH with a strong affinity for OH* effectively promoted the regeneration of Ru active sites. Meanwhile, the synergistic effect of Ru sites and the support of FeS optimized the Ru<img>H binding strength, which facilitated the transform of H* to hydrogen. This work provides a strategy to precisely control the interaction between electrocatalysts and reaction intermediates for achieving efficient hydrogen production.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138399"},"PeriodicalIF":9.4,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605633","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Lipid mesophases-nanoconfined water rules crystal symmetry during in-meso crystallization 在介观结晶过程中，脂质介相-纳米约束水规则晶体对称性

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-07-09 DOI: 10.1016/j.jcis.2025.138403

Laura Baraldi , Felix Donat , Davide Balestri , Matteo Melegari , Eva Zunzunegui Bru , Christoph R. Müller , Luciano Marchio' , Raffaele Mezzenga

{"title":"Lipid mesophases-nanoconfined water rules crystal symmetry during in-meso crystallization","authors":"Laura Baraldi , Felix Donat , Davide Balestri , Matteo Melegari , Eva Zunzunegui Bru , Christoph R. Müller , Luciano Marchio' , Raffaele Mezzenga","doi":"10.1016/j.jcis.2025.138403","DOIUrl":"10.1016/j.jcis.2025.138403","url":null,"abstract":"<div><div>Polymorphism plays a critical role in the pharmaceutical industry, as it directly influences the solubility, stability, and bioavailability of drug compounds. In this work, nanoconfinement via cubic lipid mesophases (<span><math><mrow><mi>Ia</mi><mover><mn>3</mn><mo>¯</mo></mover><mi>d</mi></mrow></math></span> and <span><math><mrow><mi>Pn</mi><mover><mn>3</mn><mo>¯</mo></mover><mi>m</mi></mrow></math></span> geometries) has been used to study the polymorphism of the model drugs theophylline, paracetamol and caffeine. By exploiting the interactions of the drug with nanoconfined water and lipid head groups, this approach drives the nucleation towards polymorphs that are otherwise not stable at ambient conditions. In the lipid mesophases, theophylline crystallizes as metastable forms I and III, along with two previously unknown forms; paracetamol produced a mixture of metastable single crystals - including forms III, VII, and hydrate forms - and one original polymorph; caffeine crystallized in its metastable α form, normally observed only at high temperatures. These results highlight the key role of nanoconfined water and drug-lipid interactions on the establishment of original and unconventional polymorphs of the drug crystals, and set phytantriol-water mesophases as a biocompatible potential toolbox to optimize pharmacokinetics in pharmaceutical formulations.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138403"},"PeriodicalIF":9.4,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144632200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cu-modified ZnO/COF S-scheme heterojunction for boosting H2O2 photosynthesis via the synergy of enhanced internal electric field and polarized field cu修饰ZnO/COF S-scheme异质结通过增强内电场和极化场协同促进H2O2光合作用。

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-07-09 DOI: 10.1016/j.jcis.2025.138402

Yandong Xu, Wenhao Su, Zihui Jing, Zhouyu Jiang, Mingliang Wang

{"title":"Cu-modified ZnO/COF S-scheme heterojunction for boosting H2O2 photosynthesis via the synergy of enhanced internal electric field and polarized field","authors":"Yandong Xu, Wenhao Su, Zihui Jing, Zhouyu Jiang, Mingliang Wang","doi":"10.1016/j.jcis.2025.138402","DOIUrl":"10.1016/j.jcis.2025.138402","url":null,"abstract":"<div><div>The development of highly active photocatalysts for H<sub>2</sub>O<sub>2</sub> production is of significant practical importance for addressing environmental issues and energy shortages. In this study, an S-scheme heterojunction photocatalyst with strong redox performance was synthesized through the in-situ growth of the TpPa-Cl covalent organic framework (COF) material on the surface of Cu-loaded ZnO nanorods. The incorporation of Cu disrupts the charge shielding effect of ZnO, promotes the spatial separation of charge carriers, and enhances piezoelectric catalytic activity. Furthermore, the porous ultra-thin COF layer extends carrier lifetime and increases the contact area with reactants, endowing the composite with strong light absorption capacity and excellent oxygen reduction performance. Under the combined influence of the piezoelectric-photocatalytic dual electric field, the H<sub>2</sub>O<sub>2</sub> yield of the composite in pure water reached 1838.8 μmol g<sup>−1</sup> h<sup>−1</sup>, and the resulting H<sub>2</sub>O<sub>2</sub> solution can be directly utilized for pollutant removal and water disinfection. In situ X-ray photoelectron spectroscopy, density functional theory calculations, and electron spin resonance studies elucidate the S-scheme electron transfer mechanism, which accelerates the transfer of photogenerated carriers and enhances the utilization of electron-hole pairs. This research offers a novel approach for the design and development of catalysts aimed at efficient H<sub>2</sub>O<sub>2</sub> production.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138402"},"PeriodicalIF":9.4,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144648205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synergistic platinum nanoparticles and iron–nitrogen sites in nitrogen-doped iron phosphate for enhanced chemoselective hydrogenation 氮掺杂磷酸铁中协同铂纳米粒子和铁氮位点增强化学选择性加氢

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-07-09 DOI: 10.1016/j.jcis.2025.138384

Xinwei Du, Tiantian Liu, Jing Li, Haisheng Wei

{"title":"Synergistic platinum nanoparticles and iron–nitrogen sites in nitrogen-doped iron phosphate for enhanced chemoselective hydrogenation","authors":"Xinwei Du, Tiantian Liu, Jing Li, Haisheng Wei","doi":"10.1016/j.jcis.2025.138384","DOIUrl":"10.1016/j.jcis.2025.138384","url":null,"abstract":"<div><div>Nitrogen (N)-doped catalysts have garnered widespread attention in hydrogenation reactions. Nevertheless, N incorporation within phosphate-based supports remains largely unexplored. Herein, N-doped iron phosphate–supported platinum (Pt) catalysts were synthesized via ammonia gas treatment. The catalysts were examined for the chemoselective hydrogenation of nitroarenes. The optimized catalyst exhibited desirable performance in the hydrogenation of <em>p</em>-chloronitrobenzene to form <em>p</em>-chloroaniline under mild conditions with 95.3 % conversion and > 99 % selectivity. The catalyst exhibited good cyclic stability and substrate universality. Comprehensive characterizations and theoretical calculations elucidated that the formation of iron (Fe)–N species enhanced the metal–support interaction and suppressed the aggregation of Pt nanoparticles, collectively facilitating the preferential adsorption of nitro groups. The synergy of Pt nanoparticles and Fe<img>N species endowed the catalyst with outstanding catalytic performance under mild conditions.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138384"},"PeriodicalIF":9.4,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Palladium-chloride ion coordination stabilizes NiFe layered double hydroxides for alkaline seawater oxidation at industrial current densities 钯-氯离子配位稳定NiFe层状双氢氧化物在工业电流密度下用于碱性海水氧化

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-07-09 DOI: 10.1016/j.jcis.2025.138388

Yuchun Ren , Yaxin Guo , Zixiao Li , Shaohuan Hong , Shengjun Sun , Chaoxin Yang , Fatma A. Ibrahim , Mohamed S. Hamdy , Feng Gong , Yanqin Lv , Xuping Sun , Bo Tang

{"title":"Palladium-chloride ion coordination stabilizes NiFe layered double hydroxides for alkaline seawater oxidation at industrial current densities","authors":"Yuchun Ren , Yaxin Guo , Zixiao Li , Shaohuan Hong , Shengjun Sun , Chaoxin Yang , Fatma A. Ibrahim , Mohamed S. Hamdy , Feng Gong , Yanqin Lv , Xuping Sun , Bo Tang","doi":"10.1016/j.jcis.2025.138388","DOIUrl":"10.1016/j.jcis.2025.138388","url":null,"abstract":"<div><div>Seawater electrolysis represents a promising route for sustainable hydrogen production, offering substantial potential for large-scale energy conversion applications. However, ample chloride ions (Cl<sup>−</sup>) in seawater promote competitive chlorine evolution reaction at the anode, compromising oxidation selectivity and significantly shortening electrode lifespan, particularly under industrial-level current densities (<em>j</em>). In this study, a self-supported Ni-foam electrode was synthesized by anchoring palladium (Pd) nanoparticles on NiFe layered double hydroxide (Pd@NiFe LDH/NF) to serve as a robust catalyst for alkaline seawater oxidation (ASO). Pd nanoparticles not only improve electrical conductivity and enhance ASO activity but also spontaneously coordinate with Cl<sup>−</sup>, effectively mitigating active site degradation through the common-ion effect. Notably, Pd@NiFe LDH/NF delivers a <em>j</em> of 1 A cm<sup>−2</sup> at an overpotential of 370 mV and operates stably for over 500 h, highlighting its high activity and long-term durability. This study offers critical guidance for the rational design of Cl<sup>−</sup>-resistant anode catalysts, presenting a viable strategy to overcome corrosion challenges during the ASO process</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138388"},"PeriodicalIF":9.4,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Sub-nanometer nanowire-enhanced ultra-strong, eco-friendly and recyclable water-based adhesives 亚纳米纳米线增强超强，环保和可回收的水性粘合剂

IF 9.4 1区化学

Journal of Colloid and Interface Science Pub Date : 2025-07-09 DOI: 10.1016/j.jcis.2025.138405

Zuodong Zhang , Yingshuo Xiong , Meiwen Cao

{"title":"Sub-nanometer nanowire-enhanced ultra-strong, eco-friendly and recyclable water-based adhesives","authors":"Zuodong Zhang , Yingshuo Xiong , Meiwen Cao","doi":"10.1016/j.jcis.2025.138405","DOIUrl":"10.1016/j.jcis.2025.138405","url":null,"abstract":"<div><div>Traditional adhesives face an enduring dilemma, that is, oil-based systems achieve high strength at the cost of volatile organic compound (VOC) emissions, while water-based alternatives suffer from inadequate performance. To resolve this paradox, a sub-nanometer filler-reinforced adhesive has been fabricated by integrating ultra-flexible gadolinium oxyhydroxide (GdOOH) nanowires (diameter < 1 nm) into a polyacrylic acid (PAA) aqueous matrix. The sub-nanometer dimensions and polymer-like flexibility of GdOOH nanowires enable uniform dispersion via dynamic hydrogen bonding, mechanical interlocking, and chemical anchoring, synergistically optimizing the cohesion-adhesion balance. With merely 1 wt% GdOOH loading, the lap shear strength surges by 285 % (3.96 MPa vs. 1.39 MPa for pure PAA), while retaining 75 % initial strength after 20 fatigue cycles, which is unprecedented for water-based adhesives. The composite demonstrates robust humidity (10–80 % RH) and temperature (−40 °C to 50 °C) adaptability, maintaining >1.5 MPa adhesion across diverse substrates (wood, metal, glass). Its reversible debonding via water-responsive hydrogen bond disruption, near-zero VOC emissions, and recyclability (95 % strength recovery) offer a sustainable paradigm. This \"dynamic bonding–nano-interlocking\" strategy bridges organic-inorganic interfaces, paving the way for high-performance, eco-friendly adhesives in automotive, electronics, and biomedical applications.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138405"},"PeriodicalIF":9.4,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144632197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0