Article
Physics, Multidisciplinary
Henry Lambley, Gustav Graeber, Raphael Vogt, Leon C. C. Gaugler, Enea Baumann, Thomas M. M. Schutzius, Dimos Poulikakos
Summary: Supercooled droplet freezing on surfaces is a common phenomenon in nature and industry, but little is known about its effect on droplet-substrate interactions and the design of icephobic surfaces. This study investigates freezing of supercooled droplets on textured surfaces and identifies surface properties that promote ice expulsion. The study also explores mechanisms through which repellency falters and provides insights into the phenomenology of ice adhesion throughout freezing. The findings contribute to the design of icephobic surfaces for increased safety and sustainability in engineering applications.
Review
Chemistry, Physical
Jing Luo, Huali Yu, Binyang Lu, Dehui Wang, Xu Deng
Summary: This review provides an up-to-date summary of research progress on superhydrophobic biological fluid-repellent surfaces (SBFRSs), focusing on the repellent mechanism and application. It introduces the physical and chemical principles for designing superhydrophobic surfaces, emphasizes the influences of solid-liquid interactions on wettability and compatibility, and discusses the recent applications of SBFRSs in biomedical fields. The review also discusses the outlook and challenges in employing SBFRSs, providing comprehensive guidance for their preparation and clinical applications.
Review
Chemistry, Physical
Saba Goharshenas Moghadam, Hamidreza Parsimehr, Ali Ehsani
Summary: Surface wetting significantly influences material performance and applications, with superhydrophobic surfaces exhibiting water repellency due to their low surface energy chemistry and micro/nanostructure roughness. The next generation of superhydrophobic surfaces, Multifunctional SHSs, are rapidly evolving with properties including self-healing, anti-bacterial, anti-fouling, and stimuli responsiveness. Designing durable Multifunctional SHSs with self-healing functions can enhance performance and lifespan, with a focus on parameters such as durability, stability, more functions, responsiveness, and environmentally friendly features.
ADVANCES IN COLLOID AND INTERFACE SCIENCE
(2021)
Article
Mechanics
Meng Shi, Ratul Das, Sankara Arunachalam, Himanshu Mishra
Summary: By surface engineering and fine-tuning liquid-solid adhesion, it is possible to achieve superhydrophobicity without lowering the Leidenfrost point. Water on superhydrophobic surfaces comprising doubly reentrant pillars (DRPs) can exceed that on hydrophilic and even superhydrophilic surfaces in terms of the Leidenfrost point.
Article
Materials Science, Multidisciplinary
Ni Wang, Hao Zhang, Songyu Liu, Bo Peng, Ziwei Deng
Summary: This study developed a composite PDA-based TiO2 coated mesh with superhydrophobicity and photocatalytic activity, which can effectively separate oils and degrade organic pollutants in wastewater, providing a new approach for wastewater purification.
JOURNAL OF MATERIALS SCIENCE
(2021)
Review
Chemistry, Applied
Wen Li, Yanlong Zhan, Alidad Amirfazli, Abdul Rahim Siddiqui, Sirong Yu
Summary: This review presents the latest research progress and applications of stimulus-responsive superhydrophobic surfaces, including various types of stimuli. The research is of great significance and provides future research directions.
PROGRESS IN ORGANIC COATINGS
(2022)
Article
Nanoscience & Nanotechnology
Xian Jiang, Bing Liu, Qinghong Zeng, Fuchao Yang, Zhiguang Guo
Summary: To address the economic and environmental damage caused by industrial discharges of oily wastewater, researchers and engineers are focusing on efficient oil/water separation materials. Switchable wettable materials for bidirectional oil/water separation, inspired by mussels, have shown great potential for practical applications. By utilizing a simple immersion method, polydopamine (PDA) coating was constructed on a peony-like copper phosphate surface, followed by deposition of TiO2 to build a micro-nano hierarchical structure. The resulting membrane demonstrated high separation efficiency and unique photoresponsiveness, making it a promising solution for oil/water separation.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Jinyu Shao, Kun Fu, Yanan Liu, Shuying Xu, Zhicheng Sun, Meijuan Cao, Yuanyuan Liu, Xianghui Wang, Yang Zhou
Summary: In this study, we successfully developed a fluorinated alumina material with a superhydrophobic surface by grafting 1H,1H,2H,2H-perfluorodecyltriethoxysilane onto mesoporous alumina. The fluorinated alumina exhibited a high water contact angle of 163.00 degrees and had a smaller specific surface area and larger surface roughness compared to mesoporous alumina. The water contact angle initially increased and then decreased with the increase of the amount of fluorinated silane in the grafting reaction. The fluorinated alumina showed excellent performance in oil-water separation with high flux, great separation efficiency, and repeatability.
SURFACES AND INTERFACES
(2023)
Article
Materials Science, Multidisciplinary
Rongxian Qiu, Junwei Li, Chengyang Wang, Fujun Xiao, Wei Cao, Zhilin Wu
Summary: Inspired by natural lotus leaves, researchers successfully constructed an array structure on the surface of AZ31B magnesium alloys using a simple and efficient high-speed wire electrical discharge machining technique. The prepared surface exhibited excellent superhydrophobicity with a high contact angle of 157 degrees +/- 1 degree and a sliding angle of less than 5 degrees. The effects of the microarray microstructure on the superhydrophobic surface were investigated, and the results showed that protrusion height (H) was the most important factor, followed by protrusion spacing (S) and protrusion side length (L). The superhydrophobic surface prepared under the optimum process parameters exhibited more than 95% corrosion inhibition efficiency, effectively improving the corrosion resistance of AZ31B magnesium alloy.
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
(2023)
Article
Chemistry, Multidisciplinary
Xifan Fu, Qinpeng Zhu, Denghui Liu, Binghan Liu, Lintao Kuang, Yanhui Feng, Fuqiang Chu, Zhi Huang
Summary: A study on moisture condensation on hybrid superhydrophobic-hydrophilic surfaces revealed the significant impact of wettability difference and microstructure size on condensation efficiency, leading to a 90% enhancement in condensation rate. Detailed analysis of the condensation process provided insights into the enhanced condensation mechanism, proposing effective methods for controlling and optimizing moisture condensation.
Article
Chemistry, Multidisciplinary
Takashi Yanagishita, Masahiro Yoshida, Hideki Masuda
Summary: Renewable superhydrophobic surfaces based on polymer nanopillar arrays with high water contact angles were prepared using nanoimprinting. The hydrophobic properties of the polymer nanopillar arrays could be controlled and optimized by changing the geometrical structures of the molds. Even when the surface patterns collapsed, superhydrophobic surfaces could be repeatedly obtained by delaminating the films in this study.
Article
Materials Science, Multidisciplinary
Shreyas Pathreeker, Paul Chando, Fu-Hao Chen, Saeid Biria, Hansheng Li, Eric B. Finkelstein, Ian D. Hosein
Summary: This study developed superhydrophobic surface-patterned polymer-TiO2 composite materials using a simple photopolymerization-based approach, achieving dual-scale roughness, high water contact angles, and low roll-off angles. The effect of nanoparticle concentration on material properties was investigated, and the practical significance of large-area fabrication was demonstrated.
ACS APPLIED POLYMER MATERIALS
(2021)
Article
Physics, Applied
H. Y. Erbil, G. McHale
Summary: In recent years, there has been extensive research on synthetic superhydrophobic surfaces, which possess unique anti-wetting properties. Apart from their stay-dry and self-cleaning properties, the evaporation process of water droplets has also attracted significant interest. Studies on surface contamination and droplet evaporation during the Covid-19 pandemic have gained attention. Superhydrophobic surfaces alter the contact between droplets and the substrate/environment, and affect the diffusion of vapor.
APPLIED PHYSICS LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Lei Xing, Tian Xia, Qiaoxin Zhang
Summary: In this study, superhydrophobic surfaces were successfully prepared using hydrophobic nano-SiO2 particles as spray fillers. The influence of the concentration change of hydrophobic nano-SiO2 particles on their wettability was explained according to the Cassie and Wenzel theory. The results provide important insights for advancing the practical application of superhydrophobic surfaces.
Article
Chemistry, Physical
Yang Yang, Yi Bian, Qian Gao, Shuhan Dong, Ruina Ma, Yongzhe Fan, An Du, Xue Zhao, Mingxu Yang, Xiaoming Cao
Summary: Composite electrodeposition was used to prepare Zn-Ni-B4C composite superhydrophobic plating with hierarchical micro/nanostructures on Q235 steel. The addition of micron B4C particles promoted the formation of protrusion structures, while the change in current density promoted the development of hierarchical rough structures. The plating exhibited excellent superhydrophobicity with a water contact angle of 159 degrees and showed good corrosion resistance in a 3.5 wt% NaCl solution.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Physical
Panpan Zhang, Xu Wang, Yangyang Yang, Haifeng Yang, Chunsheng Lu, Mingru Su, Yu Zhou, Aichun Dou, Xiaowei Li, Xiaochuan Hou, Yunjian Liu
Summary: In this study, the influence of transition metal doping on the electronic and mechanical properties and electrochemical performance of 2HMoS2/NC was investigated using Cobalt (Co) as an example. Co doping was found to effectively improve the electronic conductivity and active site areas of 2H-MoS2/NC at different positions, optimizing the adsorption and diffusion capability of potassium ions. Furthermore, the study revealed the optimal roles of different types of nitrogen atoms in kinetic adsorption, diffusion, and interfacial stability of potassium ions. These findings provide guidance for the experimental design of high rate 2H-MoS2/NC electrode materials and the optimal design of other functional composite materials.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Zeeshan Ajmal, Mahmood Ul Haq, Shahid Zaman, M. K. Al-Muhanna, Anuj Kumar, Mohammed M. Fadhali, Siwar Ben Hadj Hassine, Muhammas Qasim, K. F. Alshammari, Ghulam Abbas Ashraf, Abdul Qadeer, Adil Murtaza, Sulaiman Al-Sulaimi, Huaqiang Zeng
Summary: This study presents a novel heterojunction structure (SrTiO3/CN-TAL10.0) for enhanced photocatalytic water splitting (PWS). The incorporation of thiophenedicarboxaldehyde (TAL) through copolymerization significantly improves the photocatalytic activity of carbon nitride (CN) while maintaining its photostability performance. The optimized composition allows efficient isolation of photoinduced charge carriers and enhanced charge transport, resulting in a remarkable increase in overall photocatalytic efficiency.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Angela Arnosa-Prieto, Patricia Diaz-Rodriguez, Manuel A. Gonzalez-Gomez, Pelayo Garcia-Acevedo, Lisandra de Castro-Alves, Yolanda Pineiro, Jose Rivas
Summary: Macrophages can exhibit different phenotypes depending on the microenvironment and the characteristics of magnetic iron oxide nanoparticles (MNPs). This study demonstrates that the concentration and morphology of MNPs can influence the polarization of macrophages. The findings have implications for therapeutics targeting tissue regeneration and tumor progression.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yu Fang, Cheng-Ye Zhu, Hao-Cheng Yang, Chao Zhang, Zhi-Kang Xu
Summary: This study demonstrates the advantages of vacuum-assisted interfacial polymerization (VAIP) in fabricating polyimide nanofiltration membranes. By using vacuum filtration, aqueous solutions of PIP can be evenly distributed on different microfiltration substrates, leading to the fabrication of uniform and ultra-thin polyamide layers with excellent performance. The membranes exhibit high rejection rates and water permeance, as well as satisfactory long-term stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Isaac J. Gresham, Edwin C. Johnson, Hayden Robertson, Joshua D. Willott, Grant B. Webber, Erica J. Wanless, Andrew R. J. Nelson, Stuart W. Prescott
Summary: Understanding the interactions between polymers and surfactants is crucial for optimizing commercial systems. This study tested the behavior of polymer-surfactant systems, revealing that they do not behave like polyelectrolytes in the presence of salt. Additionally, the structure of polymer-surfactant complexes under confinement differs from that of polyelectrolytes.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yunxiao Xie, Cui Liu, Jie Zhang, Yan Li, Bin Li, Shilin Liu
Summary: This study aimed to improve the microstructure and rheological properties of W/W Pickering emulsions by crosslinking sodium alginate at the water-water interface, thereby enhancing the activity of encapsulated probiotics in simulated gastrointestinal digestion.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Sang Ho Lee, Yige Sun, Patrick S. Grant
Summary: This research developed an effective approach to enhance the charging rates of lithium ion batteries (LIBs) by strategically incorporating carbon nanotube (CNT) conductivity boosters into Li4Ti5O12 (LTO) electrodes. Multi-layer architectures comprising CNT-rich and CNT-free LTO electrode layers were manufactured using a layer-by-layer spray coating method to promote charge transfer kinetics of high mass loading electrodes. The best performing multi-layer was paired with a spray-coated LiFePO4 (LFP) positive electrode, resulting in attractive power performance that outperformed conventional LTO || LFP combinations.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Jingwei Liang, Shaobin Li, Fengbo Li, Li Zhang, Yufeng Jiang, Huiyuan Ma, Kun Cheng, Liang Qing
Summary: A molybdenum-regulated self-supporting electrode material with rich vacancy defects has been successfully synthesized and shows exceptional catalytic activities and stability for electrocatalytic overall water splitting. This study provides a new perspective for the design and synthesis of non-precious metal bifunctional electrocatalysts.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Jonas Blahnik, Jennifer Schuster, Rainer Mueller, Eva Mueller, Werner Kunz
Summary: This study investigates the relationship between the morphology of PMMA monopolymers and PMMA-PHEMA copolymers with the expected nature of surfactant-free microemulsions (SFMEs) before polymerization. It is found that previously mesostructured, surfactant-free mixtures can produce porous polymers of different morphologies, while unstructured, oil-rich regions lead to solid, transparent polymers without nanostructured morphologies. Additionally, a surfactant-based reference system shows similar phase behavior and polymer morphologies as the comparable surfactant-free system, indicating the importance of the hydrotropic behavior of HEMA in this system.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Zheng-Fen Pu, Wen-Zhi She, Rong Sheng Li, Qiu-Lin Wen, Bi-Chao Wu, Chun-Hua Li, Jian Ling, Qiue Cao
Summary: This study synthesized two framework-isomeric covalent organic frameworks (COFs) and discovered that the light scattering signal of COFs can be used for the analytical detection of lead ions. By controlling synthesis conditions and introducing regulators, the morphology of COFs could be controlled and framework-isomeric COFs could be precisely synthesized.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yuchen Weng, Ying Hong, Jingyu Deng, Sicheng Cao, Li-Juan Fan
Summary: This paper reports the preparation of dynamic color-changing fluorescent polymer nanoparticles (PNPs) by constructing a fluorescence resonance energy transfer (FRET) pair. The PNPs show excellent anti-counterfeiting effects and reproducibility. The study demonstrates a promising encryption strategy that can achieve multiple outputs with simple operation.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Guodong Liu, Zijian Wang, Jianing Wang, Hanbin Liu, Zhijian Li
Summary: This study investigates the combination of multicolor switchable polyaniline (PANI) electrode and 1-methyl-4,4'-bipyridyl iodide (MBI), which demonstrates superior optical properties in visible and near-infrared light modulation, as well as excellent electrochemical performances. This combination can be used to develop novel electrochromic devices for applications in smart packaging, smart labels, and flexible smart windows.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Huying Yan, Yang Guo, Xingzhi Bai, Jiawei Qi, Haipeng Lu
Summary: By modifying Ti3C2Tx through heterogeneous interface engineering, optimized impedance matching is achieved, leading to enhanced electromagnetic wave absorption performance.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Kehu Zhang, Yang Zhou, Silvia Moreno, Simona Schwarz, Susanne Boye, Brigitte Voit, Dietmar Appelhans
Summary: This article presents an advanced crosslinking strategy to fabricate clustered polymersomes using host-guest interactions. By controlling the input of crosslinker and environmental conditions, reversible aggregation and disassembly of these polymersomes can be achieved. The size and structure of these clustered polymersomes can be regulated and visualized through a fluorescent enzymatic cascade reaction.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Junjie Xu, Weixiong Huang, Ruiling Li, Li Li, Jinjin Ma, Jiaou Qi, Haiyan Ma, Min Ruan, Lilin Lu
Summary: In this study, a potassium doped palladium catalyst was developed for acetylene hydrogenation, showing excellent catalytic performance and durability. The doping of potassium effectively weakened the adsorption of ethylene, improved ethylene selectivity, and lowered the barriers of hydrogen activation and transfer reactions.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)