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Li H, Xin L, Gao J, Shao Y, Zhang Z, Ren L. Underwater Bionic Self-Healing Superhydrophobic Coating with the Synergetic Effect Of Hydrogen Bonds and Self-Formed Bubbles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309012. [PMID: 38178643 DOI: 10.1002/smll.202309012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/24/2023] [Indexed: 01/06/2024]
Abstract
The self-healing ability of superhydrophobic surfaces in air has attracted tremendous additions in recent years. Once the superhydrophobic surface is damaged underwater, water seeps into gaps among micro/nano structures. The air film diffuses into water and eventually disappears during immersion without actively replenishing the gas, which results in the impossible of self-healing. Here, an underwater self-healing superhydrophobic coating with the synergetic effect of hydrogen bonds and self-formed bubbles via the spraying method is fabricated. The movement of hydrogen bonds of the prepared polyurethane enables microstructures to reconstruct at room temperature and self-formed bubbles of effervescent materials underwater actively replenish gas before microstructures completely self-healing, achieving the self-healing property of the superhydrophobic coating. Moreover, the hydrophilic effervescent material is sprayed along with unmodified micron-scaled particles because modified nano-scale particles are key factors for the realization of superhydrophobic coating. An underwater stable superhydrophobic surface with pressure resistance (4.9 kPa) is demonstrated. This superhydrophobic coating also shows excellent drag reduction, anti-icing, and anti-corrosion properties. This facile and scalable method offers a new route that an underwater self-healing superhydrophobic coating executes the gas film recovery.
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Affiliation(s)
- Hao Li
- School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao, 266590, P.R. China
- Key Laboratory of Bionic Engineering, (Ministry of Education) and College of Bionic Science and Engineering, Jilin University, 5988 Renmin Street, Changchun, 130025, P.R. China
| | - Lei Xin
- School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao, 266590, P.R. China
| | - Jian Gao
- School of Material Science and Engineering, Shandong University of Science and Technology, Qingdao, 266590, P.R. China
| | - Yanlong Shao
- Key Laboratory of Bionic Engineering, (Ministry of Education) and College of Bionic Science and Engineering, Jilin University, 5988 Renmin Street, Changchun, 130025, P.R. China
| | - Zhihui Zhang
- Key Laboratory of Bionic Engineering, (Ministry of Education) and College of Bionic Science and Engineering, Jilin University, 5988 Renmin Street, Changchun, 130025, P.R. China
| | - Luquan Ren
- Key Laboratory of Bionic Engineering, (Ministry of Education) and College of Bionic Science and Engineering, Jilin University, 5988 Renmin Street, Changchun, 130025, P.R. China
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2
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Bashkatov A, Park S, Demirkır Ç, Wood JA, Koper MTM, Lohse D, Krug D. Performance Enhancement of Electrocatalytic Hydrogen Evolution through Coalescence-Induced Bubble Dynamics. J Am Chem Soc 2024; 146:10177-10186. [PMID: 38538570 PMCID: PMC11009962 DOI: 10.1021/jacs.4c02018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/14/2024] [Accepted: 03/14/2024] [Indexed: 04/11/2024]
Abstract
The evolution of electrogenerated gas bubbles during water electrolysis can significantly hamper the overall process efficiency. Promoting the departure of electrochemically generated bubbles during (water) electrolysis is therefore beneficial. For a single bubble, a departure from the electrode surface occurs when buoyancy wins over the downward-acting forces (e.g., contact, Marangoni, and electric forces). In this work, the dynamics of a pair of H2 bubbles produced during the hydrogen evolution reaction in 0.5 M H2SO4 using a dual platinum microelectrode system is systematically studied by varying the electrode distance and the cathodic potential. By combining high-speed imaging and electrochemical analysis, we demonstrate the importance of bubble-bubble interactions in the departure process. We show that bubble coalescence may lead to substantially earlier bubble departure as compared to buoyancy effects alone, resulting in considerably higher reaction rates at a constant potential. However, due to continued mass input and conservation of momentum, repeated coalescence events with bubbles close to the electrode may drive departed bubbles back to the surface beyond a critical current, which increases with the electrode spacing. The latter leads to the resumption of bubble growth near the electrode surface, followed by buoyancy-driven departure. While less favorable at small electrode spacing, this configuration proves to be very beneficial at larger separations, increasing the mean current up to 2.4 times compared to a single electrode under the conditions explored in this study.
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Affiliation(s)
- Aleksandr Bashkatov
- Physics
of Fluids Group, Max Planck Center for Complex Fluid Dynamics and
J. M. Burgers Centre for Fluid Dynamics, University of Twente, Enschede 7500 AE, Netherlands
| | - Sunghak Park
- Leiden
Institute of Chemistry, Leiden University, Leiden 2333 CC, Netherlands
| | - Çayan Demirkır
- Physics
of Fluids Group, Max Planck Center for Complex Fluid Dynamics and
J. M. Burgers Centre for Fluid Dynamics, University of Twente, Enschede 7500 AE, Netherlands
| | - Jeffery A. Wood
- Soft
Matter, Fluidics and Interfaces, MESA+ Institute for Nanotechnology,
J. M. Burgers Centre for Fluid Dynamics, University of Twente, Enschede 7500 AE, Netherlands
| | - Marc T. M. Koper
- Leiden
Institute of Chemistry, Leiden University, Leiden 2333 CC, Netherlands
| | - Detlef Lohse
- Physics
of Fluids Group, Max Planck Center for Complex Fluid Dynamics and
J. M. Burgers Centre for Fluid Dynamics, University of Twente, Enschede 7500 AE, Netherlands
- Max
Planck Institute for Dynamics and Self-Organization, Göttingen 37077, Germany
| | - Dominik Krug
- Physics
of Fluids Group, Max Planck Center for Complex Fluid Dynamics and
J. M. Burgers Centre for Fluid Dynamics, University of Twente, Enschede 7500 AE, Netherlands
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3
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Tang Z, Xu B, Man X, Liu H. Bioinspired Superhydrophobic Fibrous Materials. SMALL METHODS 2024; 8:e2300270. [PMID: 37312429 DOI: 10.1002/smtd.202300270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/27/2023] [Indexed: 06/15/2023]
Abstract
Natural fibers with robust water repellency play an important role in adapting organisms to various environments, which has inspired the development of artificial superhydrophobic fibrous materials with applications in self-cleaning, antifogging, water harvesting, heat exchanging, catalytic reactions, and microrobots. However, these highly textured surfaces (micro/nanotextured) suffer from frequent liquid penetration in high humidity and abrasion-induced destruction of the local environment. Herein, bioinspired superhydrophobic fibrous materials are reviewed from the perspective of the dimension scale of fibers. First, the fibrous dimension characteristics of several representative natural superhydrophobic fibrous systems are summarized, along with the mechanisms involved. Then, artificial superhydrophobic fibers are summarized, along with their various applications. Nanometer-scale fibers enable superhydrophobicity by minimizing the liquid-solid contact area. Micrometer-scale fibers are advantageous for enhancing the mechanical stability of superhydrophobicity. Micrometer-scale conical fibrous structures endow a Laplace force with a particular magnitude for self-removing condensed tiny dewdrops in highly humid air and stably trapping large air pockets underwater. Furthermore, several representative surface modification strategies for constructing superhydrophobic fibers are presented. In addition, several conventional applications of superhydrophobic systems are presented. It is anticipated that the review will inspire the design and fabrication of superhydrophobic fibrous systems.
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Affiliation(s)
- Zhongxue Tang
- School of Physics, Beihang University, No. 37, Xueyuan Road, Haidian District, Beijing, 100191, P. R. China
| | - Bojie Xu
- Research Institute for Frontier Science, Beihang University, No. 37, Xueyuan Road, Haidian District, Beijing, 100191, P. R. China
| | - Xingkun Man
- School of Physics, Beihang University, No. 37, Xueyuan Road, Haidian District, Beijing, 100191, P. R. China
| | - Huan Liu
- Research Institute for Frontier Science, Beihang University, No. 37, Xueyuan Road, Haidian District, Beijing, 100191, P. R. China
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Tang ZQ, Tian T, Molino PJ, Skvortsov A, Ruan D, Ding J, Li Y. Recent Advances in Superhydrophobic Materials Development for Maritime Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308152. [PMID: 38403472 DOI: 10.1002/advs.202308152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/30/2023] [Indexed: 02/27/2024]
Abstract
Underwater superhydrophobic surfaces stand as a promising frontier in materials science, holding immense potential for applications in underwater infrastructure, vehicles, pipelines, robots, and sensors. Despite this potential, widespread commercial adoption of these surfaces faces limitations, primarily rooted in challenges related to material durability and the stability of the air plastron during prolonged submersion. Factors such as pressure, flow, and temperature further complicate the operational viability of underwater superhydrophobic technology. This comprehensive review navigates the evolving landscape of underwater superhydrophobic technology, providing a deep dive into the introduction, advancements, and innovations in design, fabrication, and testing techniques. Recent breakthroughs in nanotechnology, magnetic-responsive coatings, additive manufacturing, and machine learning are highlighted, showcasing the diverse avenues of progress. Notable research endeavors concentrate on enhancing the longevity of plastrons, the fundamental element governing superhydrophobic behavior. The review explores the multifaceted applications of superhydrophobic coatings in the underwater environment, encompassing areas such as drag reduction, anti-biofouling, and corrosion resistance. A critical examination of commercial offerings in the superhydrophobic coating landscape offers a current perspective on available solutions. In conclusion, the review provides valuable insights and forward-looking recommendations to propel the field of underwater superhydrophobicity toward new dimensions of innovation and practical utility.
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Affiliation(s)
- Zhao Qing Tang
- Centre for Smart Infrastructure and Digital Construction, School of Engineering, Swinburne University of Technology, Hawthorn, VIC, 3122, Australia
| | - Tongfei Tian
- School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs, QLD, 4556, Australia
| | - Paul J Molino
- Platforms Division, Defence Science and Technology, 506 Lorimer Street, Fishermans Bend, VIC, 3207, Australia
| | - Alex Skvortsov
- Platforms Division, Defence Science and Technology, 506 Lorimer Street, Fishermans Bend, VIC, 3207, Australia
| | - Dong Ruan
- Department of Mechanical Engineering and Product Design Engineering, Swinburne University of Technology, Hawthorn, Melbourne, VIC, 3122, Australia
| | - Jie Ding
- Platforms Division, Defence Science and Technology, 506 Lorimer Street, Fishermans Bend, VIC, 3207, Australia
| | - Yali Li
- Centre for Smart Infrastructure and Digital Construction, School of Engineering, Swinburne University of Technology, Hawthorn, VIC, 3122, Australia
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Min S, Xu X, He J, Sun M, Lin W, Kang L. Construction of Cobalt Porphyrin-Modified Cu 2 O Nanowire Array as a Tandem Electrocatalyst for Enhanced CO 2 Reduction to C 2 Products. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2400592. [PMID: 38501796 DOI: 10.1002/smll.202400592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 02/27/2024] [Indexed: 03/20/2024]
Abstract
Here, the molecule-modified Cu-based array is first constructed as the self-supporting tandem catalyst for electrocatalytic CO2 reduction reaction (CO2 RR) to C2 products. The modification of cuprous oxide nanowire array on copper mesh (Cu2 O@CM) with cobalt(II) tetraphenylporphyrin (CoTPP) molecules is achieved via a simple liquid phase method. The systematical characterizations confirm that the formation of axial coordinated Co-O-Cu bond between Cu2 O and CoTPP can significantly promote the dispersion of CoTPP molecules on Cu2 O and the electrical properties of CoTPP-Cu2 O@CM heterojunction array. Consequently, as compared to Cu2 O@CM array, the optimized CoTPP-Cu2 O@CM sample as electrocatalyst can realize the 2.08-fold C2 Faraday efficiency (73.2% vs 35.2%) and the 2.54-fold current density (-52.9 vs -20.8 mA cm-2 ) at -1.1 V versus RHE in an H-cell. The comprehensive performance is superior to most of the reported Cu-based materials in the H-cell. Further study reveals that the CoTPP adsorption on Cu2 O can restrain the hydrogen evolution reaction, improve the coverage of * CO intermediate, and maintain the existence of Cu(I) at low potential.
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Affiliation(s)
- Shihao Min
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Beijing, 100045, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, P. R. China
- University Chinese Academy of Science, Fujian College, Fuzhou, 350002, P. R. China
- College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
| | - Xiao Xu
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Beijing, 100045, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, P. R. China
- University Chinese Academy of Science, Fujian College, Fuzhou, 350002, P. R. China
| | - Jiaxin He
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Beijing, 100045, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, P. R. China
- University Chinese Academy of Science, Fujian College, Fuzhou, 350002, P. R. China
- College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
| | - Miao Sun
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Beijing, 100045, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, P. R. China
- University Chinese Academy of Science, Fujian College, Fuzhou, 350002, P. R. China
| | - Wenlie Lin
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Beijing, 100045, P. R. China
| | - Longtian Kang
- Key Laboratory of Design and Assembly of Functional Nanostructures, and Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Beijing, 100045, P. R. China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, 350108, P. R. China
- University Chinese Academy of Science, Fujian College, Fuzhou, 350002, P. R. China
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6
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Feng X, Chu J, Tian G, Wang Z, Zhou W, Zhang X, Lian Z. Phyllostachys Viridis-Leaf-like MLMN Surfaces Constructed by Nanosecond Laser Hybridization for Superhydrophobic Antifogging and Anti-Icing. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37919234 DOI: 10.1021/acsami.3c14083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
In nature, many species commonly evolve specific functional surfaces to withstand harsh external environments. In particular, structured wettability of surfaces has attracted tremendous interest due to its great potential in antifogging and anti-icing properties. Phyllostachys Viridis is a resistant low-temperature (-18 °C) plant with superhydrophobicity and ice resistivity behaviors. In this work, with inspiration from the representative cold-tolerant plants leaves, a unique multilevel micronano (MLMN) surface was fabricated on copper substrate by ultrafast laser process, which exhibited superior superhydrophobic characteristics with the water contact angle > 165° and rolling angle< 2°. In the dynamic wettability experiment, the rebound efficiency of the droplet on the MLMN surface reached 20.6%, and the contact time was only 10.6 ms. In the condensation experiment, the nucleation, growth, merging, and bouncing of fog drops on the surface was distinctly observed, indicating that rational texture structures can improve the antifogging performance of the surface. In the anti-icing experiment, the freezing time was delayed to 921 s at -10 °C, and the freezing time of salt water reached a staggering 1214 s. Moreover, the mechanical durability of MLMN surfaces was confirmed by scratch damage, sandpaper abrasion, and icing and melting cycle tests, and their repairability was evaluated for product applications in practice. Finally, the underlying antifogging/anti-icing strategy of the MLMN surface was also revealed. We anticipate that the investigations offer a promising way to handily design and fabricate multiscale hierarchical structures with reliable antifogging and anti-icing performance, especially in saltwater-related applications.
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Affiliation(s)
- Xiaoming Feng
- College of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Jiahui Chu
- College of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Guizhong Tian
- College of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Zhizhong Wang
- College of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Wen Zhou
- College of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Xiaowei Zhang
- College of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Zhongxu Lian
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, China
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Ji Y, Zhuang Y, Jiao X, Cheng Z, Liu C, Yu X, Zhang Y. 3D Monolayer Silanation of Porous Structure Facilitating Multi-Phase Pollutants Removal. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303658. [PMID: 37449342 DOI: 10.1002/smll.202303658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/29/2023] [Indexed: 07/18/2023]
Abstract
Activated carbon (AC) is widely used to removing hazardous pollutants from air and water, owing to its exceptional adsorption properties. However, the high affinity of water molecules with the surface oxygen-containing functional groups can adversely affect the adsorption performance of AC. In this study, a facile and efficient method is presented for fabrication of hydrophobic AC through surface monolayer silanation. Compared to initial AC, the hydrophobic AC improves the water contact angle from 29.7° to 123.5° while maintaining high specific surface area and enhances the removal capacity of multi-phase pollutants (emulsified oil and toluene). Additionally, the hydrophobic AC exhibits excellent adsorption capability to harmful algal bloom species (Chlorella) (97.56%) and algal organic matter (AOM) (96.23%) owing to electrostatic interactions and surface hydrophobicity. The study demonstrates that this method of surface monolayer silanation can effectively weaken the effect of water molecules on AC adsorption capacity, which has significant potential for practical use in air and water purification, as well as in the control of harmful algal blooms.
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Affiliation(s)
- Yanzheng Ji
- School of Materials Science and Engineering, Southeast University, Southeast Road 2nd, Nanjing, 211189, P. R. China
| | - Yifan Zhuang
- School of Materials Science and Engineering, Southeast University, Southeast Road 2nd, Nanjing, 211189, P. R. China
| | - Xuan Jiao
- School of Materials Science and Engineering, Southeast University, Southeast Road 2nd, Nanjing, 211189, P. R. China
| | - Zhikang Cheng
- School of Materials Science and Engineering, Southeast University, Southeast Road 2nd, Nanjing, 211189, P. R. China
| | - Chunhui Liu
- School of Materials Science and Engineering, Southeast University, Southeast Road 2nd, Nanjing, 211189, P. R. China
| | - Xinquan Yu
- School of Materials Science and Engineering, Southeast University, Southeast Road 2nd, Nanjing, 211189, P. R. China
| | - Youfa Zhang
- School of Materials Science and Engineering, Southeast University, Southeast Road 2nd, Nanjing, 211189, P. R. China
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Du Y, Wu T, Zhou W, Li C, Ding C, Chen P, Xie H, Qu J. Cicada Wing-Inspired Transparent Polystyrene Film Integrating Self-Cleaning, Antifogging, and Antibacterial Properties. ACS APPLIED MATERIALS & INTERFACES 2023; 15:46538-46549. [PMID: 37729522 DOI: 10.1021/acsami.3c10214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
A transparent film integrating antifouling, antifogging, and antibacterial properties is crucial for its application as a protective mask, goggles, or lens. Herein, applying dynamic injection molding coupled with a bionic gradient template, a fast and efficient method is proposed for the preparation of the bionic polystyrene surface (BNPPS) with a cicada wing-inspired nanopillar structure. The contact angle of the BNPPS film increases continuously along the wing vein, while the sliding angle decreases continuously, mimicking the gradient wetting state of a cicada wing and providing excellent self-propelled removal properties for tiny water droplets. Notably, the BNPPS film has a transmittance higher than 90% and a reflectivity lower than 5% in the visible light range. Dyeing water, milk, juice, cola, and ink can slide smoothly from the BNPPS film surface without leaving any residue. Importantly, the nanopillars on the BNPPS film surface can penetrate and kill most of the Escherichia coli within 20 min. Therefore, the prepared BNPPS film with sufficient mechanical strength gathers the unique properties of the cicada wing together. The proposed research is expected to offer valuable guidance for fabricating self-cleaning, antifogging, and antibacterial optical devices that could be utilized in medical and vision systems operating in harsh environments.
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Affiliation(s)
- Yu Du
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
| | - Ting Wu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
| | - Weilong Zhou
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
| | - Cheng Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
- Kingfa Science and Technology Co., LTD., Guangzhou 510663, Guangdong, China
| | - Chao Ding
- Kingfa Science and Technology Co., LTD., Guangzhou 510663, Guangdong, China
| | - Pingxu Chen
- Kingfa Science and Technology Co., LTD., Guangzhou 510663, Guangdong, China
| | - Heng Xie
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
| | - Jinping Qu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
- Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing, South China University of Technology, Guangzhou 510640, Guangdong, China
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9
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Liu J, Sheng Z, Zhang M, Li J, Zhang Y, Xu X, Yu S, Cao M, Hou X. Non-Newtonian fluid gating membranes with acoustically responsive and self-protective gas transport control. MATERIALS HORIZONS 2023; 10:899-907. [PMID: 36541214 DOI: 10.1039/d2mh01182d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Control of gas transport through porous media is desired in multifarious processes such as chemical reactions, interface absorption, and medical treatment. Liquid gating technology, based on dynamically adaptive interfaces, has been developed in recent years and has shown excellent control capability in gas manipulation-the reversible opening and closing of a liquid gate for gas transport as the applied pressure changes. Here, we report a new strategy to achieve self-protective gas transport control by regulating the dynamic porous interface in a non-Newtonian fluid gating membrane based on the shear thickening fluid. The gas transport process can be suspended and restored via modulation of the acoustic field, owing to the transition of particle-to-particle interactions in a confined geometry. Our experimental and theoretical results support the stability and tunability of the gas transport control. In addition, relying on the shear thickening behaviour of the gating fluid, the transient response can be achieved to resist high-impact pressure. This strategy could be utilized to design integrated smart materials used in complex and extreme environments such as hazardous and explosive gas transportation.
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Affiliation(s)
- Jing Liu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, China
| | - Zhizhi Sheng
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
- Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China.
| | - Mengchuang Zhang
- Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, College of Physical Science and Technology, Xiamen University, Xiamen 361005, China
| | - Jianyu Li
- Department of Mechanical Engineering, McGill University, Montreal H3A 0G4, Canada
- Department of Biomedical Engineering, McGill University, Montreal H3A 0G4, Canada
- Department of Surgery, McGill University, Montreal H3A 0G4, Canada
| | - Yunmao Zhang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
| | - Xue Xu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
| | - Shijie Yu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
| | - Min Cao
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
| | - Xu Hou
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, China
- Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, College of Physical Science and Technology, Xiamen University, Xiamen 361005, China
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10
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Xie D, Sun Y, Wu Y, Wang K, Wang G, Zang F, Ding G. Engineered Switchable-Wettability Surfaces for Multi-Path Directional Transportation of Droplets and Subaqueous Bubbles. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2208645. [PMID: 36423901 DOI: 10.1002/adma.202208645] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/07/2022] [Indexed: 06/16/2023]
Abstract
Conventional engineered surfaces for fluid manipulation are hindered by the set wettability, and thus they can only achieve spontaneous transport of single-phase fluid, namely liquid or gas. Moreover, fluid transport systems that are robust to path defects have yet to be fully explored. Here, unprecedentedly, a universal wettability switching strategy is developed for achieving programmable directional transport of both droplets and subaqueous bubbles on a dumbbell-patterned functional surface (DPFS), featuring in strong robustness, high efficiency, and effective cost. By tuning the superwettability of DPFS through octadecyltrichlorosilane treatment and ultraviolet-C selective irradiation, the transport fluid can alternate between liquid and gas. The material's switchable superwettability regulates the fluid directed dynamics within the confined pattern, in which the sustaining fluid propelling relies on the surface energy difference between the starting and terminal sites. This enables the construction of multiple channels, which works synergistically with ultralow-volume-loss transport to impart the fluidic system with strong robustness against path defects. Underlying the completion of complex microfluidics tasks, spatially-selective cooling devices and subaqueous gas microreactors are successfully demonstrated. This energy-consumption-free fluid transport system opens a new avenue for on-chip programmable fluid manipulation, promoting innovative applications requiring rational control of two-phase fluid transport.
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Affiliation(s)
- Dongdong Xie
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Shanghai Jiao Tong University, Shanghai, 200240, China
- Department of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yunna Sun
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Yongjin Wu
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Shanghai Jiao Tong University, Shanghai, 200240, China
- Department of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Kai Wang
- School of Internet of Things, Nanjing University of Posts and Telecommunications, No.9, Wenyuan Road, Nanjing, 210023, China
| | - Guilian Wang
- School of Electronic and Electrical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, 201620, China
| | - Faheng Zang
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Guifu Ding
- National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Shanghai Jiao Tong University, Shanghai, 200240, China
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Recent progress in the mechanisms, preparations and applications of polymeric antifogging coatings. Adv Colloid Interface Sci 2022; 309:102794. [DOI: 10.1016/j.cis.2022.102794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/19/2022] [Accepted: 09/29/2022] [Indexed: 11/21/2022]
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Wang Q, Xie D, Li FY, Liu HL, Chen GX, Yu MG. Aqueous construction of raspberry-like ZIF-8 hierarchical structures with enhanced superhydrophobic performance. NANOSCALE 2022; 14:13308-13314. [PMID: 36063419 DOI: 10.1039/d2nr03377a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Materials with super-wetting ability have attracted wide attention from both academia and industry due to their great potential applications. A straightforward and versatile route was proposed for the large-scale synthesis of a monodisperse raspberry-like metal-organic framework (ZIF-8) using zinc nitrate as a zinc source and dimethylimidazole as an organic ligand in aqueous solution. After hydrophobic treatment with hexadecyltrimethoxysilane, the ethanolic suspension of three-dimensional raspberry-like ZIF-8 showed excellent superhydrophobic properties. Furthermore, commercial adhesives were used to blend with the suspension to improve the bonding strength to different substrates. These surfaces retained their water resistance after 50 finger-wipe cycles, 40 sandpaper abrasions and knife scratches. Moreover, the prepared hydrophobic surface can withstand the impact of water flow for 10 minutes. The formulations developed can be used for superhydrophobic coating applications on different substrate surfaces such as aluminum foil, glass, paper and cotton.
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Affiliation(s)
- Q Wang
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangdong Biomaterials Engineering Technology Research Center, Guangzhou 510316, China.
| | - D Xie
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangdong Biomaterials Engineering Technology Research Center, Guangzhou 510316, China.
| | - F Y Li
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangdong Biomaterials Engineering Technology Research Center, Guangzhou 510316, China.
| | - H L Liu
- Institute of Biological and Medical Engineering, Guangdong Academy of Sciences, Guangdong Biomaterials Engineering Technology Research Center, Guangzhou 510316, China.
| | - G X Chen
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - M G Yu
- School of Materials Science and Hydrogen Energy, Foshan University, Foshan 528000, China
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Wang T, Wang Z. Liquid-Repellent Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:9073-9084. [PMID: 35857533 DOI: 10.1021/acs.langmuir.2c01533] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Surfaces are vibrant sites for various activities with environments, especially as the transfer station for mass and energy exchange. In nature, natural creatures exhibit special wetting and interfacial properties such as water repellency and water affinity to adapt to various environmental challenges by taking advantage of air or liquid infusion media. Inspired by natural surfaces, various engineered liquid-repellent surfaces have been developed with a wide range of applications in both open and closed underwater environments. In particular, underwater conditions are characterized by high viscosity, high pressure, and complex compositions, which pose more challenges for the design of robust and functional repellent surfaces. In this Perspective, we take a parallel approach to introduce two classical liquid-repellent surfaces: an air-infused repellent surface and a lubricated liquid-repellent surface. Then we highlight fundamental challenges and design configurations of robust liquid-repellent surfaces both in air and underwater. We summarize the advantages and drawbacks of two kinds of repellent surfaces and list several applications of liquid-repellent surfaces for use in the ocean, medical care, and energy harvesting. Finally, we provide an outlook of research directions for robust liquid-repellent surfaces.
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