Journal of Colloid and Interface Science最新文献

{"title":"Sodium percarbonate fuel-driven magnetic micromotor for rapid detection and efficient removal of tetracycline: Synergistic effect of oxygen vacancy and dissolved oxygen","authors":"Ziwei Lan ,&nbsp;Jia Li ,&nbsp;Wenning Yang ,&nbsp;Lei Zhao ,&nbsp;Chunhua Tian ,&nbsp;Caihong Zhang ,&nbsp;Dickon H.L. Ng","doi":"10.1016/j.jcis.2025.138396","DOIUrl":"10.1016/j.jcis.2025.138396","url":null,"abstract":"<div><div>Micro/nanomotors (MNMs) propelled by hydrogen peroxide (H₂O₂) fuel have garnered significant interest in sensitive colorimetric detection and rapid catalytic degradation of organic pollutants. However, their practical applications remain constrained by multiple limitations including toxic high-concentration H₂O₂ requirements, sluggish Fe²⁺/Fe³⁺ redox cycling, and secondary contamination risks from metal ion leaching. Herein, we rationally developed a novel magnetic tubular FeCu@NC/MnO₂ micromotor through multistep fabrication using kapok-derived C microtubes as templates. The micromotor demonstrated remarkable propulsion (126.47 μm s⁻¹) under 0.5 M sodium percarbonate (SPC) solution and magnetic guidance, achieving eco-friendly fuel utilization by replacing unstable liquid H₂O₂ with solid SPC. Benefiting from abundant active sites and oxygen vacancy (O_V), the micromotor exhibited dual functionality in SPC activation with both sensitive colorimetric detection (LOD = 0.214 μM) and efficient catalytic degradation of tetracycline (TC, 93.73 % removal within 90 min). Quenching experiments and electron paramagnetic resonance (EPR) revealed a free radical and non-radical pathway involving hydroxyl radicals (•OH) and singlet oxygen (¹O₂) in TC degradation. More importantly, the O_V-mediated electron transfer facilitated Cu⁺/Cu²⁺, Fe²⁺/Fe³⁺, and Mn³⁺/Mn⁴⁺ redox cycling, while synergistic O_V and dissolved oxygen (DO) interactions promoted the generation and conversion of reactive oxygen species (ROS, •OH → O₂^•- → ¹O₂). This study provides fundamental insights into O_V- and DO- mediated ROS generation/transformation mechanisms and offers a paradigm for designing defect-engineered micromotor in environmental remediation.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138396"},"PeriodicalIF":9.4,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605221","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":"Tailored work function via activated interfacial electron transfer for boosting hydrogen production coupled with electrochemical glycerol oxidation","authors":"Haiyang Yu ,&nbsp;Hairui Guo ,&nbsp;Huan Wang ,&nbsp;Huiling Liu ,&nbsp;Cheng Wang","doi":"10.1016/j.jcis.2025.138387","DOIUrl":"10.1016/j.jcis.2025.138387","url":null,"abstract":"<div><div>Developing high-performance electrocatalysts for glycerol-assisted water splitting is highly imperative for the applications in energy-saving hydrogen production coupled by valorizing biomass-derived feedstocks. Interface engineering, an effective strategy for tuning the interfacial electronic structures, enables the electrochemical performance improvement, while the precise control on interfacial electron transfer still remains challenging. Herein, Mo incorporation is employed to modulate the interfacial electronic structure of Ni₃S₂/Ni₃P, resulting in an activated electron redistribution with more electrons flowing from Ni₃P to Ni₃S₂. The enhanced electron transfer at the Mo-Ni₃S₂/Ni₃P interface further reduces its work function and positively shifts the <em>d</em>-band center closer to Fermi level, promoting OH⁻ and glycerol adsorption. Compared to Ni₃S₂/Ni₃P, the Mo-Ni₃S₂/Ni₃P exhibits superior electrocatalytic performance for both glycerol oxidation and hydrogen evolution reaction. In simulated alkaline seawater with glycerol, a two-electrode system using Mo-Ni₃S₂/Ni₃P as both the anode and cathode achieves a 390 mV reduction in cell voltage to reach 100 mA cm⁻² compared to water splitting, accompanied by a Faradaic efficiency above 90% for formate. This work will stimulate the further development of work function-guided design of efficient electrocatalysts for sustainable energy conversion.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138387"},"PeriodicalIF":9.4,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144613392","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":"Donnan-like effect driven synthesis of brush-confined Prussian blue Nanozymes with low crystallinity for multifunctional applications","authors":"Lusi Zhang ,&nbsp;Bin Huang ,&nbsp;Yi Chen ,&nbsp;Yan Li ,&nbsp;Ning Gu","doi":"10.1016/j.jcis.2025.138379","DOIUrl":"10.1016/j.jcis.2025.138379","url":null,"abstract":"<div><div>Prussian blue nanozymes (PBNZ) have emerged as promising biomedical agents due to their enzyme-mimetic activities, photothermal properties, and magnetic resonance imaging (MRI) contrast capabilities. However, their practical utility is limited by aggregation tendencies arising from high surface energy. Here, we present a strategy employing spherical polyelectrolyte brushes (SPB) as nanoreactors to synthesize satellite-structured SPB@PBNPs with well-defined dimensions (15–19 nm) and low crystallinity. Through systematic optimization of the m_Fe³⁺/m_SPB ratio (1, 4) and acidic co-precipitation conditions, uniform anchoring of PBNPs on SPB surfaces was achieved. Comprehensive characterization, including TEM, FTIR, XRD, DLS, and UV–vis, confirmed the structural integrity and monodispersity of the hybrid system. Analysis of crystal growth indicated a nonclassical crystallization pathway, driven by Donnan-like effect mediated Fe³⁺ confinement at SPB interfaces, which facilitated heterogeneous nucleation and oriented nanoparticle attachment. The three-dimensional brush architecture endowed SPB@PBNPs with remarkable environmental stability across a broad pH range (3.0–7.0) and temperature range (4–60 °C). Enzymatic assays demonstrated enhanced catalytic performance compared to conventional PBNPs (74 nm), exhibiting 3.7-fold enhanced peroxidase-like activity and 3-fold elevated catalase-like activity, attributed to optimized electronic structures and increased active site accessibility due to reduced crystallinity. Furthermore, SPB@PBNPs displayed exceptional photothermal conversion efficiency (60.4 %), MRI contrast capability (<em>r</em>_<em>1</em> = 0.8406 mM⁻¹·s⁻¹), and good biocompatibility. This work elucidates the crystallization dynamics and catalytic enhancement mechanisms of brush-stabilized nanozymes, offering a robust framework for designing multifunctional nanozymes with synergistic catalytic efficiency and environmental resilience.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138379"},"PeriodicalIF":9.4,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144604191","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":"Alkylphospholipids act through stabilization of planar membranes and inhibition of membrane budding and fusion","authors":"Jessica Aye Valdivia-Pérez ,&nbsp;Luis Benito Pérez Socas ,&nbsp;Ernesto Esteban Ambroggio ,&nbsp;María Laura Fanani","doi":"10.1016/j.jcis.2025.138382","DOIUrl":"10.1016/j.jcis.2025.138382","url":null,"abstract":"<div><div>Alkylphospholipids (APLs) represent a novel class of anticancer drugs that disrupt lipid homeostasis by inhibiting lipid transport to the endoplasmic reticulum and altering cellular lipid metabolism. In this study, we use protein-free membrane models to investigate how the APLs miltefosine, edelfosine and perifosine influence membrane dynamics through lipid-APL interactions, resulting in the stabilization of planar membranes. This stabilization impedes critical remodelling processes such as membrane budding and fusion, essential for cellular processes. Our findings demonstrate that APLs modulate membrane curvature via geometric compensation between cone-shaped APLs and inverted cone-shaped lipids like phosphatidylethanolamine. We also explored the effects of both homogeneous and asymmetric incorporation of APLs into bilayer lipid structures, mimicking their interactions with cell membranes. The results reveal that APLs alter curved lipid structures, stabilizing planar membranes and reducing spontaneous curvature. This geometric compensation mechanism profoundly impacts membrane dynamics, where miltefosine and edelfosine exhibit greater activity compared to perifosine. These findings provide significant insights into how APLs disrupt lipid homeostasis in cellular environments.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138382"},"PeriodicalIF":9.4,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605634","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":"Cationic COF-based polymer electrolytes with synergistic hydrogen-bonding networks for enhanced Li+ desolvation and ionic conductivity in all-solid-state lithium metal batteries","authors":"Jingqiu Liu ,&nbsp;Qingping Wu ,&nbsp;Yaru Wei ,&nbsp;Baocheng Zhou ,&nbsp;Feixiang Zhou ,&nbsp;Xingyue Yu ,&nbsp;Song Lan ,&nbsp;Feng Wang ,&nbsp;Houyang Chen","doi":"10.1016/j.jcis.2025.138386","DOIUrl":"10.1016/j.jcis.2025.138386","url":null,"abstract":"<div><div>Polyethylene oxide (PEO)-based electrolytes for all-solid-state lithium metal batteries (ASSLMBs) struggle with rapid dendrite growth at the Li/electrolyte interface under high rates, driven by poor interfacial chemistry and slow Li⁺ transport. Here, we integrate a cationic covalent organic framework with hydrogen-bonding networks (HC-COF) into a PEO matrix to form a composite electrolyte (HC-COF@PEO). Featuring guanidinium units, this cationic COF immobilizes anions through hydrogen-bonding (H-bonding), thus weakening Li⁺ solvation and accelerating Li ion transport kinetics. Its C₃-symmetric π-conjugated structure ensures stability, ordered stacking, and enhanced mechanical strength. Synthesized via a facile one-step imine condensation at room temperature, HC-COF boosts Li⁺ conductivity up to 6.15 <span><math><mo>×</mo></math></span> 10⁻⁴ S cm⁻¹ at room temperature and enables uniform Li⁺ plating/stripping with a low overpotential of 90 mV over 450 h in symmetric cells. LiFePO₄-based ASSLMBs achieve remarkable cycling stability (1000 cycles at 1C) and superior rate performance. This work demonstrates a straightforward, effective approach to enhance PEO-based electrolytes using cationic COFs, paving the way for practical ASSLMBs.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138386"},"PeriodicalIF":9.4,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144633838","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":"Highly dispersion single Rh species on CoMn2O4 spinel oxides nanosphere for water gas shift reaction","authors":"Yang Xiao,&nbsp;Chao Qu,&nbsp;Xuelong Zheng,&nbsp;Jingjing Zhang,&nbsp;Xi Chen,&nbsp;Wenjin Wang,&nbsp;Qing Ye","doi":"10.1016/j.jcis.2025.138383","DOIUrl":"10.1016/j.jcis.2025.138383","url":null,"abstract":"<div><div>Spinel oxides have garnered significant attention owing to their exceptional physicochemical characteristics. Herein, single Rh species were deposited onto CoMn₂O₄ spinel oxides using a deposition-precipitation method for the water gas shift (WGS) reaction. Structural characterization results indicate that the Rh species predominantly exist as single Rh atoms (<em>x</em>Rh/CoMn₂O₄, <em>x</em> = 0.21, 0.52, 0.86). However, as the loading increase, Rh species tend to agglomerate and formation of Rh nanoparticles over the 1.11Rh/CoMn₂O₄ sample. Experimental analysis has demonstrated that the presence of Rh single atoms promotes creation of oxygen vacancies and enhances the ratios of Co³⁺/Co²⁺, Mn⁴⁺/Mn³⁺, and O_ads/O_lat, consequently improving the catalyst's reducibility at low temperatures. 0.52Rh/CoMn₂O₄ demonstrated 100 % CO conversion at 350 °C, achieved a specific reaction rate of 0.78 mol_CO g_Rh⁻¹ h⁻¹ and a turnover frequency (TOF) of 2.2×10⁻² s⁻¹. In situ diffuse reflectance infrared fourier transform spectroscopy (DRIFTS) results indicate that carbonate serves as a significant intermediate product for Rh single atom catalysts, while formates and carboxylates are the primary intermediate products for Rh nanoparticle catalysts. The projected density of states (PDOS) and adsorption energy calculations collectively demonstrate that Rh₁/CoMn₂O₄(111) exhibits superior catalytic activity for the WGS reaction compared to Rh₄/CoMn₂O₄(111). Moreover, the presence of Rh single atoms significantly enhances the formation of oxygen vacancies. This study provides both experimental and theoretical insights into the rational development of spinel-supported Rh catalysts aimed at enhancing activity in the WGS reaction.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138383"},"PeriodicalIF":9.4,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605710","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":"An integrated all-fiber-based sensing system for monitoring humidity physiological signals","authors":"Yibo Sun ,&nbsp;Xingmei Wang ,&nbsp;Rongda Zhang ,&nbsp;Zhen Hu ,&nbsp;Tianyu Wang ,&nbsp;Fan Liu ,&nbsp;Guanghui Gao ,&nbsp;Lijie Duan","doi":"10.1016/j.jcis.2025.138385","DOIUrl":"10.1016/j.jcis.2025.138385","url":null,"abstract":"<div><div>With the advancement of wearable electronics, flexible sensors have attracted significant attention in health monitoring and personalized medical services. While these sensors exhibit excellent responsiveness for health tracking, they often overlook the importance of skin surface humidity. All-fiber-based sensors exhibit exceptional flexibility, breathability and lightweight nature. Given these advantages, all-fiber-based sensors are predisposed to be applied in skin humidity monitoring. However, their exploration in this field remains rarely reported. Therefore, developing an all-fiber-based sensor for real-time skin humidity monitoring is highly desirable. Herein, a highly stretchable, air permeable, moisture sensitive and antibacterial all-fiber strain and humidity sensor was fabricated by embedding lithium chloride (LiCl) into thermoplastic polyurethane (TPU) and polyethylene oxide (PEO) solutions. Benefiting from the uniform distribution and strong hygroscopicity of LiCl, the prepared nanofiber membrane exhibits rapid response, high sensitivity, and relative humidity sensing (from 30 % to 90 %). Additionally, the nanofiber membrane demonstrates excellent strain sensing performance stability and endures across 600 loading cycles in a large working range covering 0 to 450 %. Moreover, the resulting all-fiber-based sensor can be employed for monitoring human movements and detecting humidity bioelectrical signals. Therefore, the investigation is anticipated to provide novel strategies towards the advancement of next-generation multifunctional wearable electronic devices.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138385"},"PeriodicalIF":9.4,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605631","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":"Precision design of highly sensitive luminescent thermometers via crystal field splitting engineering","authors":"Zongjie Li ,&nbsp;Kejie Li ,&nbsp;Mengmeng Dai ,&nbsp;Jiaqi Zhao ,&nbsp;Dongxu Guo ,&nbsp;Guiying Liang ,&nbsp;Yanling Wei ,&nbsp;Zuoling Fu","doi":"10.1016/j.jcis.2025.138380","DOIUrl":"10.1016/j.jcis.2025.138380","url":null,"abstract":"<div><div>Rare earth-doped up-conversion luminescent materials have attracted considerable attention in the field of optical temperature sensing due to their superior spatial resolution and fast response. However, their practical application has been fundamentally hindered by their low relative sensitivity (S_r), which inherently restricts the accuracy of temperature measurement, and conventional optimization strategies, which predominantly rely on empirical trial-and-error approaches, and lack systematic theoretical guidance for rational material design. To address these critical challenges, we propose a novel thermometric paradigm based on the energy splitting factor (K_e) to theoretically determine the energy gap (ΔE) between thermally coupled excited states. This conceptual breakthrough establishes a quantitative theoretical framework correlating the splitting factor (K_e) with the thermally coupled energy gap (ΔE), enabling accurate S_r prediction and providing a robust evaluation platform for rare earth-based luminescent thermometers. Extensive experimental validation using Er³⁺-activated systems demonstrates unprecedented agreement between calculated and experimental S_r values, with discrepancies limited to &lt;0.55 %. Crucially, we have successfully extended this methodology to Nd³⁺ systems, achieving remarkable concordance between theoretical predictions and empirical observations. This predictive framework not only accelerates the precision design of advanced thermometric materials, but also opens up avenues for the development of dynamic and highly sensitive temperature measurement technologies.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138380"},"PeriodicalIF":9.4,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144604190","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":"Humidity-dependent benzene adsorption in indoor environments: The critical transition between competition and cooperation","authors":"Wenmao Zeng ,&nbsp;Jiachen Shi ,&nbsp;Quang K. Loi ,&nbsp;Yalou Guo ,&nbsp;Huan Liu ,&nbsp;Xiaoyi Chen ,&nbsp;Lumeng Liu ,&nbsp;Meng Liu ,&nbsp;D.D. Do","doi":"10.1016/j.jcis.2025.138373","DOIUrl":"10.1016/j.jcis.2025.138373","url":null,"abstract":"<div><div>Benzene, a prevalent indoor air pollutant, poses significant health risks. While carbonaceous materials are widely used for benzene removal, their performance under humid conditions remains controversial, with reports showing both detrimental and beneficial effects of moisture. The underlying mechanisms governing these seemingly contradictory observations remain poorly understood, impeding the rational design of adsorbents that can maintain consistent performance across varying humidity levels. To address this knowledge gap, we combined molecular simulations with experimental measurements to investigate water-benzene interactions in carbon nanopores. Our investigation reveals that the transition between cooperative and competitive adsorption behaviors is regulated by the interplay of relative humidity, benzene concentration, and the pore width of adsorbent. In the environmentally relevant low concentration of benzene (∼1 ppm), water molecules form clusters that serve as additional adsorption sites, enhancing benzene capture until a humidity threshold is reached. Beyond this threshold, water condensation dominates the pore space, leading to competitive displacement of benzene. Pore width also plays a crucial role, with small pores (particularly ultra-micropores) facilitating benzene to resist water uptake. Moreover, our work reveals that water clusters forming in pores affect adsorption kinetics at lower humidity levels than those impacting overall capacity. These insights enable strategic optimization of pore structure and surface chemistry for enhanced VOC capture under varying moisture conditions.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138373"},"PeriodicalIF":9.4,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144604194","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":"Density distribution within the water contact layer determines slippage: Beyond surface wettability","authors":"Shiyu Lv ,&nbsp;Qingwei Gao ,&nbsp;Qian Sun ,&nbsp;Shuangliang Zhao","doi":"10.1016/j.jcis.2025.138371","DOIUrl":"10.1016/j.jcis.2025.138371","url":null,"abstract":"<div><h3>Hypothesis</h3><div>Both hydrophobic and hydrophilic surfaces have been shown to promote solid-liquid boundary slippage, which leading to a controversy regarding the role of surface wettability in liquid slippage. We hypothesize that liquid slippage is determined by a more fundamental physical mechanism beyond surface wettability effect.</div></div><div><h3>Simulations</h3><div>Through equilibrium (EMD) and non-equilibrium molecular dynamics (NEMD) simulations, we investigate the effect of solid-liquid Lennard-Jones (L-J) interactions, solid lattice constants, surface charges, and roughness on water wetting and slippage on solid surfaces.</div></div><div><h3>Findings</h3><div><em>We</em> demonstrate that the density distribution within the water contact layer on solid surfaces determines water slippage, beyond surface wettability. The new concept of <em>Roughness of Contact Density</em> (<em>RCD</em>) is proposed to quantitatively describe this effect and revealing a power-law relationship between <em>RCD</em> and slip length. The slip length increases as the <em>RCD</em> decreases, with significant slippage and a slip length of 10 nm occurring when the <em>RCD</em> equals 0.2. Our work not only clarifies the persistent ambiguous role of surface wettability in liquid slippage but also provides a new physical mechanism for liquid slippage.</div></div>","PeriodicalId":351,"journal":{"name":"Journal of Colloid and Interface Science","volume":"700 ","pages":"Article 138371"},"PeriodicalIF":9.4,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144580235","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}