Journal of Colloid and Interface Science最新文献

{"title":"Systematic design of MXene/thermoplastic polyurethane/carbon nanotube@polypyrrole fiber electrodes for efficient flexible fiber supercapacitors.","authors":"Mengdan Yang, Yan Zhang, Meng Li, Weixue Meng, Ding Zhang, Jie Xu, Yingjiu Zhang, Fengmei Guo, Yuanyuan Shang, Anyuan Cao","doi":"10.1016/j.jcis.2024.12.027","DOIUrl":"10.1016/j.jcis.2024.12.027","url":null,"abstract":"<p><p>MXene exhibits exceptional electrical and electrochemical properties, and is regarded as a promising candidate for future wearable electronic products. However, achieving a balance between flexibility and capacitance performance in MXene-based fiber supercapacitors remains a challenge. Here, MXene/Thermoplastic polyurethane (TPU) composite fibers with good conductivity and tensile properties, were prepared by wet spinning method. A carbon nanotube (CNT) film with continuous network structure was introduced on the surface of MXene/TPU composite fiber as a conductive interfacial layer to deposit a uniform and dense polypyrrole (PPy) array controllably. This structure is beneficial for improving the utilization of PPy and can enhance the overall strength and flexibility of composite fibers. The MXene/TPU/CNT@PPy composite fiber electrode demonstrates promising electrochemical performance, with a specific capacitance of 579F/cm³ (at a current density of 1 A/cm³). The assembled flexible fiber supercapacitor exhibits a power density of 499.8 mW/cm³ and a corresponding energy density of 16.3 mWh/cm³ (1 A/cm³), suggesting potential applications in flexible and wearable energy storage devices and textiles.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"875-883"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142794152","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}

{"title":"Double catalysis of Co₉Se₈-Ni₃Se₄ heterogeneous dual-chamber core-shell Achieves high conversion of polysulfides.","authors":"Chunman Yang, Fei Wang, Yongqi Wang, Wenchang Han, Wengxiang Ai, Qian Wang, Yuhan He, Ziyi Zhu, Yiyong Zhang, Xue Li","doi":"10.1016/j.jcis.2024.12.010","DOIUrl":"10.1016/j.jcis.2024.12.010","url":null,"abstract":"<p><p>Achieving efficient catalytic conversion of lithium polysulfides is a key way to improve kinetics in lithium-sulfur (Li-S) batteries. However, due to the limited nature of the catalyst interface, it is difficult to achieve a high conversion rate of LiPSs in one step. A novel heterogeneous dual-chamber core-shell nanocatalyst (Co₉Se₈-Ni₃Se₄@PC) is described here, which efficiently accommodates sulfur and provides a heterogeneous dual catalytic interface like a two-stage \"filter\". The dual guarantee provides a rapid and high-ratio catalytic conversion of LiPSs. Through in-situ Raman experiments and theoretical analysis, it has been proved that the dual-chamber multi-stage catalytic structure can promote the efficient conversion of LiPSs and good sulfur species reversibility. The Co₉Se₈-Ni₃Se₄@PC cathode provides an initial specific capacity of 923mAh/g at 2C, and the average capacity decay rate after 800 cycles is only 0.048 %. This work provides new ideas for designing new nanocatalysts in lithium-sulfur systems and insights into achieving multi-stage catalysis in structural design.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"1164-1174"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142821707","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}

{"title":"A PEGylated deep eutectic solvent for \"bubbling\" synthesis of SnO₂/SnS heterostructure for the stable lithium-ion storage.","authors":"Zhiqiang Liu, Hui Li, Huan Yao, Yi Zhuang, Runbo Gao, Zhiteng Wang, Zhenhe Zhu, Huixin Lan, Zeheng Li, Wenlong Cai","doi":"10.1016/j.jcis.2024.12.014","DOIUrl":"10.1016/j.jcis.2024.12.014","url":null,"abstract":"<p><p>Constructing heterostructures is an effective strategy for the synthesis of high-performance anode electrode materials for lithium-ion batteries (LIBs). In this study, a \"bubbling\" PEGylated deep eutectic solvent (DES) method is utilized to synthesize SnO₂/SnS heterostructure nanodots anchored on carbon nanosheets (SnO₂/SnS@CN). A comprehensive investigation of the physical and chemical processes during the \"bubbling\" reaction offers in-depth insights into the underlying mechanism of the PEGylated DES approach. The carbon nanosheet structure enhances the electrical conductivity between SnO₂ particle units and, due to its excellent mechanical properties, significantly contributes to material stability. The nanodot configuration of the heterostructure further improves electron transfer and lithium-ion (Li⁺) migration within the SnO₂ units. The SnO₂/SnS@CN material exhibits outstanding Li⁺ storage performance, achieving a high capacity of 675.6 mA h/g at 1 A/g after 1000 cycles. These findings establish a theoretical foundation for preparing heterostructure anode materials using the \"bubbling\" PEGylated DES method.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"995-1005"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142805588","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}

{"title":"Co/Co₃O₄@NC-CNTs modified separator of Li-S battery achieving the synergistic effect of adsorption-directional migration-catalysis via built-in electric field.","authors":"Mingwei Liu, Lei Wan, Pei Su, Taotao Guo, Ruojiao Yin, Haize Jin, Henan Jia, Fuling Tang","doi":"10.1016/j.jcis.2024.11.211","DOIUrl":"10.1016/j.jcis.2024.11.211","url":null,"abstract":"<p><p>The shuttle effect of lithium polysulfides (LiPSs) and sluggish sulfur conversion kinetics have seriously hindered the commercial application of lithium-sulfur (Li-S) batteries. Currently, the adsorption and catalysis processes are emphasized; however, the diffusion process is often neglected. The delayed diffusion of the adsorbed LiPSs significantly reduce battery performance. Herein, the directional migration of S_n^2- was realized by adjusting the characteristics of heterostructure materials. The heterostructure consists of Co with a high Fermi level and excellent catalytic activity and Co₃O₄ with a low Fermi level and strong adsorption ability. This configuration regulated the direction of the built-in electric field (BIEF) at the heterogeneous interface, which promoted the migration of S_n^2- from Co₃O₄ to Co side and realised a continuous \"adsorption-directional migration-catalysis\" mechanism. Experimental and theoretical results indicated that the Co/Co₃O₄ heterostructure modified by nitrogen-doped carbon nanotubes (Co/Co₃O₄@NC-CNTs), as the separator of Li-S batteries, not only enhanced the adsorption of LiPSs but also accelerated the kinetic conversion process. Consequently, the battery modified by the Co/Co₃O₄@NC-CNTs separator exhibited a high initial specific capacity of 1423 mAh g^-1 at 0.2C, and maintained 735.5 mAh g^-1 at a current density of 1C after 400 cycles.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"436-445"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142779138","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}

{"title":"Engineering atomically dispersed Mn and Fe sites on hollow nitrogen-doped carbon for high-performance Zn-air batteries.","authors":"Qiyu Li, Lei Zhao, Zhaozhao Zhu, Pei Xiong, Jiayu Zuo, Jun Song Chen, Rong Li, Rui Wu","doi":"10.1016/j.jcis.2024.11.208","DOIUrl":"10.1016/j.jcis.2024.11.208","url":null,"abstract":"<p><p>Zinc-air batteries (ZABs) have garnered significant interest due to their environmental friendliness, low cost, and high energy density. However, their practical application is significantly hindered by high overpotential and sluggish reaction kinetics. Here, we propose a hollow nitrogen-doped carbon supported atomically dispersed Fe and Mn sites (FeMn-HNC) through a facile NaCl-assisted pyrolysis strategy. The synthesized FeMn-HNC catalyst possesses a hollow porous structure, resulting in exceptional oxygen reduction reaction (ORR) catalytic activity, remarkable durable stability, and good tolerance to methanol. Furthermore, integrating this catalyst into ZABs demonstrates significant performance advantages, achieving a maximum power density of 223.1 mW cm^-2 and a high specific capacity of 804.3 mAh g^-1. This study offers a promising approach for boosting the power density and specific capacity of nitrogen-doped carbon catalysts in ZABs.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"460-466"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142779160","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}

{"title":"Constructed 2D sandwich-like layer WO₃/Ti₃C₂/ZnIn₂S₄ Z-scheme heterojunction by chemical bond for effective photocatalytic hydrogen production.","authors":"Hui Wu, Zengxin Lou, Kai Kang, Chunjuan Zhang, Xinyue Ji, Hanqiao Chu, Shuoheng Wei, Wenzhe Xu, Guanyun Wang, Junkai Pan, Juan Liu, Yongchao Bao","doi":"10.1016/j.jcis.2024.11.238","DOIUrl":"10.1016/j.jcis.2024.11.238","url":null,"abstract":"<p><p>Photocatalytic water-splitting has gained significant global attention in recent years. However, identifying effective photocatalysts remains challenging due to the rapid recombination of photoinduced charge carriers. In this study, two-dimensional (2D) sandwich-like layer WO₃/Ti₃C₂/ZnIn₂S₄ photocatalysts were successfully fabricated using a simple anaerobic solvothermal process. The 2D Z-scheme heterojunction enhances rapid charge transport via TiS or TiOW bonds, serving as efficient charge transfer channels and minimizing the distance for interfacial photocarrier transfer. Consequently, the hydrogen production rate of 20 % WO₃/Ti₃C₂/ZnIn₂S₄ composite reaches 7.39 mmol·g^-1·h^-1, which is 3.5 and 7.1 times higher than that of 20 % Ti₃C₂/ZnIn₂S₄ and pure ZnIn₂S_4, respectively. Furthermore, the hydrogen production rate of 20 % WO₃/Ti₃C₂/ZnIn₂S₄ composite reaches 2.54 mmol·g^-1·h^-1 without the use of sacrificial agents. This work paves the way for designing 2D sandwich-like Z-scheme heterostructures through interfacial chemical bonds.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"403-412"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142779145","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}

{"title":"Encapsulating phase change materials into melamine formaldehyde sponge assembled with polypyrrole modified halloysite nanotube for effective solar-thermal energy storage and solar-thermal-electric conversion.","authors":"Shuangqing Li, Ning Zhang, Heqiu Chen, Zongrui Zhang, Yafei Zhao, Yinze Yang, Huishan Shang, Dan Wang, Bing Zhang","doi":"10.1016/j.jcis.2024.11.226","DOIUrl":"10.1016/j.jcis.2024.11.226","url":null,"abstract":"<p><p>Exploiting inexpensive composite phase change materials (PCMs) with comprehensive characteristics of high encapsulation efficiency, good leakage resistance, strong flexibility, high heat conductivity, and powerful light absorption is considerably imperative for their solar-thermal and solar-thermal-electric conversion. Herein, polypyrrole (PPy) modified halloysite (HNT/PPy) was assembled into the pores of melamine formaldehyde (MF) sponge to construct hierarchical porous structure (MHP), in which PPy serves as light absorber and heat conducting agent to consolidate the light absorption and thermal conductivity, while the interwoven HNT in MF not only acts as carrier to provide sufficient space for guaranteeing more PCMs' encapsulation, but also dramatically narrows MF's pore size and prevents PCMs' leakage. As expected, the MHP can encapsulate as high as 95 wt% of polyethylene glycol (PEG) with extremely high latent heat of 177.8 J g^-1 (PEG@MHP). The rich hydroxyl groups on PEG, PVA and HNT form strong hydrogen bond interaction, effectively improving the leakage-proof performance of PEG@MHP. Especially, PEG@MHP with 82 wt% encapsulation ratio (PEG@MHP-82) demonstrates unexceptionable leakage resistance (negligible leakage at 100 °C), strong light absorption (97 %), good photothermal conversion efficiency (90.36 %), and high thermal conductivity (0.235 W m^-1 K^-1). Except that, the solar-thermal-electric (STE) conversion system assembled with PEG@MHP-82 enables efficient voltage and current outputs of 587 mV and 83.3 mA respectively under 3 kW m^-2 with heat dissipation in water. Encouragingly, the voltage output still achieves 154.7 mV under actual outdoor illumination (0.984 kW m^-2). This work provides a simple method to efficiently encapsulate PCMs for realizing high-efficiency solar-thermal and solar-thermal-electric conversion.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"423-435"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142779151","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}

{"title":"Wetting behavior in the inertial phase of droplet impacts onto sub-millimeter microstructured surfaces.","authors":"Patrick Palmetshofer, Jonathan Wurst, Anne K Geppert, Kathrin Schulte, Gianpietro Elvio Cossali, Bernhard Weigand","doi":"10.1016/j.jcis.2024.11.154","DOIUrl":"10.1016/j.jcis.2024.11.154","url":null,"abstract":"<p><strong>Hypothesis: </strong>The shape of the wetted region after a droplet impact can vary significantly even in the early phase of the process. How much of the early spreading process occurs within the structures versus above the structures, flow regimes and local wetting at groove intersections can have effects on the sizes and shapes of the final wetted regions. Experiments and simulations: We experimentally study droplet impacts onto cubic pillars with , and side length, height and separation. Weber numbers ranged between 80 and 1 100, while Reynolds numbers varied between 1 150 and 10 600 using water and isopropanol droplets. The contact angle on a flat segment of the samples was modified between θ_FS<5^∘ and θ_FS=120^∘±5^∘. Several experiments are reproduced using our in-house code FS3D to show the internal flow fields.</p><p><strong>Findings: </strong>Diamond-shaped spreading patterns with edges aligned at 45^∘ to the structure pattern are observed. A transition between top-dominated (circular) spreading and diamond spreading occurs depending on the structure size and impact velocity. Groove intersections can act as flow dividers, causing spreading along a path with 90^∘ bends. For large structure sizes and impact velocities fluid jets can pass through the structures uninhibited.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"413-422"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142779199","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}

{"title":"A dual-nucleophilic ester-induced supramacromolecular fire-proof hydrogel coating for protecting polymers.","authors":"Jin Xu, Xing Su, Dichang Xue, Xiaodong Li, Ruibing Wang, Yue Sun, Zitong Deng, Hao Jiang, Zhengnan Su, Lixiang Zhu, Meishuai Zou","doi":"10.1016/j.jcis.2024.11.243","DOIUrl":"10.1016/j.jcis.2024.11.243","url":null,"abstract":"<p><p>Polymer materials are highly vulnerable to fire disaster. However, current research focuses on flame retardancy rather than protection. In this work, two natural extracts of phytic acid (PA) and tannic acid (TA), were successfully compounded via dual-nucleophilic esterification, which facilitated the formation supramolecular hydrogel (T-P₅-PAA). This hydrogel was highly remold-able, self-healable, mechanically adaptable, and environmentally durable, which could form a thin (600 μm) protective coating on multiple polymer materials. Multiple aromatic rings and rich phosphorus elements endowed T-P₅ with excellent physical/chemical synergistic flame retardancy. The dense nanoscale pore structure within the hydrogel network not only effectively impeded heat conduction and gas transmission but also reinforced the material's framework, stabilized its structure, and slowed down thermal decomposition and combustion reactions. Resultantly, the time to ignition (TTI) value of the protected substrates was greater than 1280 s, which was increased by more than 2800 %. The limiting oxygen index (LOI) value exceeded 60 vol%. Remarkably, the protected polymer materials could maintain their original structures and mechanical properties even after being contact with flames directly. These phenomena were significantly distinctive from the previously reported flame retardant strategies that structure and performance degradation were often inevitable upon fire. In brief, we believe that our work not only proposes an effective flame protection strategy, but also offers new enlightenment for future design of high-performance supramolecular soft matters.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"849-863"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142794136","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}

{"title":"Lead regulation of electronic properties and local structure of palladium (111) facet for enhanced direct hydrogen peroxide synthesis.","authors":"Lang Wu, Jianxin Cao, Chengbing Fu, Zheng Chen, Chaochuang Yin, Qian Lin, Hongyan Pan, Keliang Wang","doi":"10.1016/j.jcis.2024.12.015","DOIUrl":"10.1016/j.jcis.2024.12.015","url":null,"abstract":"<p><p>Direct synthesis of hydrogen peroxide (DSHP) from oxygen (O₂) and hydrogen (H₂) offers a promising alternative to anthraquinone oxidation for hydrogen peroxide (H₂O₂) production, yet challenges remain in achieving high selectivity and productivity. In this study, palladium octahedral nanoparticles (Pd ONPs) exposing Pd(111) facets were first synthesized, followed by the introduction of lead (Pb) atoms onto these facets to construct Pb-Pd(111) surface alloy structures (Pd@Pd-Pbx ONPs) for efficient DSHP. Characterization results indicated that the introduction of Pb atoms increased the electron density of Pd atoms and significantly reduced the number of low-coordinated Pd atoms. Density functional theory (DFT) calculations confirmed that the high electron density in Pd atoms downshifted their d-band center, thereby enhancing the adsorbed O₂ (O₂*) and hydroperoxyl (OOH*) hydrogenation and promoting the adsorbed H₂O₂ (HOOH*) desorption from Pd active sites, which was a key step in the formation of H₂O₂. Furthermore, the different coordination environments and electronic properties of Pd atoms that were close to Pb as opposed to those that were farther away produced a unique tilted adsorption configuration for O₂*, OOH*, and HOOH* on the Pd-Pb(111) surface, effectively inhibiting OO bond dissociation. As a result, the TiO₂-loaded Pd@Pd-Pb₄ ONPs (Pd@Pd-Pb₄/TiO₂) catalyst achieved an H₂O₂ selectivity of 80.6 % and a productivity of 6258.7 mmol g_Pd^-1h^-1 in the DSHP. This study underscores the impact of Pd catalyst surface modification on DSHP performance and provides valuable insights into the structure-performance relationship in bimetallic catalysts.</p>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"682 ","pages":"1205-1216"},"PeriodicalIF":9.4,"publicationDate":"2025-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142823532","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}