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Dent FJ, Harbottle D, Warren NJ, Khodaparast S. Exploiting breath figure reversibility for in situ pattern modulation and hierarchical design. SOFT MATTER 2023; 19:2737-2744. [PMID: 36987660 PMCID: PMC10091834 DOI: 10.1039/d2sm01650h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 03/12/2023] [Indexed: 06/19/2023]
Abstract
The breath figure (BF) method employs condensation droplets as dynamic templates for patterning polymer films. In the classical approach, dropwise condensation and film solidification are simultaneously induced through solvent evaporation, leading to empirically derived patterns with limited predictability of the final design. Here we use the temporally arrested BF methodology, controlling condensation and polymerisation independently to create diverse BF patterns with varied pore size, arrangement and distribution. External temperature control enables us to further investigate and exploit the inherent reversibility of the phase change process that governs the pattern formation. We modulate the level of subcooling and superheating to achieve subsequent regimes of condensation and evaporation, permitting in situ regulation of the droplet growth and shrinkage kinetics. The full reversibility of the phase change processes joined with active photopolymerisation in the current approach thus allows arresting of predictable BF kinetics at intermediate stages, thereby accessing patterns with varied pore size and spacing for unchanged material properties and environmental conditions. This simultaneous active control over both the kinetics of phase change and polymer solidification offers affordable routes for the fabrication of diverse predictable porous surfaces; manufacture of monolithic hierarchical BF patterns are ultimately facilitated through the advanced control of the BF assembly using the method presented here.
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Affiliation(s)
- Francis J Dent
- School of Mechanical Engineering, University of Leeds, Leeds, LS2 9JT, UK.
| | - David Harbottle
- School of Chemical and Process Engineering, University of Leeds, Leeds, LS2 9JT, UK
| | - Nicholas J Warren
- School of Chemical and Process Engineering, University of Leeds, Leeds, LS2 9JT, UK
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2
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Sun L, Guo J, Chen H, Zhang D, Shang L, Zhang B, Zhao Y. Tailoring Materials with Specific Wettability in Biomedical Engineering. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2100126. [PMID: 34369090 PMCID: PMC8498887 DOI: 10.1002/advs.202100126] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 06/22/2021] [Indexed: 05/02/2023]
Abstract
As a fundamental feature of solid surfaces, wettability is playing an increasingly important role in our daily life. Benefitting from the inspiration of biological paradigms and the development in manufacturing technology, numerous wettability materials with elaborately designed surface topology and chemical compositions have been fabricated. Based on these advances, wettability materials have found broad technological implications in various fields ranging from academy, industry, agriculture to biomedical engineering. Among them, the practical applications of wettability materials in biomedical-related fields are receiving remarkable researches during the past decades because of the increasing attention to healthcare. In this review, the research progress of materials with specific wettability is discussed. After briefly introducing the underlying mechanisms, the fabrication strategies of artificial materials with specific wettability are described. The emphasis is put on the application progress of wettability biomaterials in biomedical engineering. The prospects for the future trend of wettability materials are also presented.
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Affiliation(s)
- Lingyu Sun
- Institute of Translational MedicineDepartment of RadiologyThe Affiliated Drum Tower Hospital of Nanjing University Medical SchoolNanjing210002China
- State Key Laboratory of BioelectronicsSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096China
| | - Jiahui Guo
- State Key Laboratory of BioelectronicsSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096China
| | - Hanxu Chen
- State Key Laboratory of BioelectronicsSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096China
| | - Dagan Zhang
- Institute of Translational MedicineDepartment of RadiologyThe Affiliated Drum Tower Hospital of Nanjing University Medical SchoolNanjing210002China
| | - Luoran Shang
- Zhongshan‐Xuhui Hospitalthe Shanghai Key Laboratory of Medical EpigeneticsInstitutes of Biomedical SciencesFudan UniversityShanghai200032China
| | - Bing Zhang
- Institute of Translational MedicineDepartment of RadiologyThe Affiliated Drum Tower Hospital of Nanjing University Medical SchoolNanjing210002China
| | - Yuanjin Zhao
- Institute of Translational MedicineDepartment of RadiologyThe Affiliated Drum Tower Hospital of Nanjing University Medical SchoolNanjing210002China
- State Key Laboratory of BioelectronicsSchool of Biological Science and Medical EngineeringSoutheast UniversityNanjing210096China
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Zhang P, Zhao C, Zhao T, Liu M, Jiang L. Recent Advances in Bioinspired Gel Surfaces with Superwettability and Special Adhesion. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1900996. [PMID: 31572647 PMCID: PMC6760469 DOI: 10.1002/advs.201900996] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Revised: 06/09/2019] [Indexed: 05/18/2023]
Abstract
Engineering surface wettability is of great importance in academic research and practical applications. The exploration of hydrogel-based natural surfaces with superior properties has revealed new design principles of surface superwettability. Gels are composed of a cross-linked polymer network that traps numerous solvents through weak interactions. The natural fluidity of the trapped solvents confers the liquid-like property to gel surfaces, making them significantly different from solid surfaces. Bioinspired gel surfaces have shown promising applications in diverse fields. This work aims to summarize the fundamental understanding and emerging applications of bioinspired gel surfaces with superwettability and special adhesion. First, several typical hydrogel-based natural surfaces with superwettability and special adhesion are briefly introduced, followed by highlighting the unique properties and design principles of gel-based surfaces. Then, the superwettability and emerging applications of bioinspired gel surfaces, including liquid/liquid separation, antiadhesion of organisms and solids, and fabrication of thin polymer films, are presented in detail. Finally, an outlook on the future development of these novel gel surfaces is also provided.
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Affiliation(s)
- Pengchao Zhang
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeihang UniversityBeijing100191P. R. China
| | - Chuangqi Zhao
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeihang UniversityBeijing100191P. R. China
| | - Tianyi Zhao
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeihang UniversityBeijing100191P. R. China
| | - Mingjie Liu
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeihang UniversityBeijing100191P. R. China
- International Research Institute for Multidisciplinary Science and Beijing Advanced Innovation Center for Biomedical EngineeringBeihang UniversityBeijing100191P. R. China
| | - Lei Jiang
- Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeihang UniversityBeijing100191P. R. China
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Alotaibi MH, El-Hiti GA, Hashim H, Hameed AS, Ahmed DS, Yousif E. SEM analysis of the tunable honeycomb structure of irradiated poly(vinyl chloride) films doped with polyphosphate. Heliyon 2018; 4:e01013. [PMID: 30619957 PMCID: PMC6313840 DOI: 10.1016/j.heliyon.2018.e01013] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 11/08/2018] [Accepted: 12/03/2018] [Indexed: 10/27/2022] Open
Abstract
The fabrication of tunable poly(vinyl chloride) porous films containing polyphosphate as an additive was successful. Irradiation of poly(vinyl chloride) films containing polyphosphate at a low concentration (0.5% by weight) with an ultraviolet light (λmax = 313 nm) for 300 h leads to the formation of a honeycomb like structure. The scanning electron microscopy images, at different magnification power, confirmed the production of the PVC honeycomb-like structure. The morphological images of the polymeric film showed a rough surface and a large number of regularly distributed hexagonal pores. The number of pores increased upon irradiation time and it was maximum after 300 h. The honeycomb structure formation could be due to the regular aggregation of polyphosphate among the polymeric chains, the increase in solution intrinsic viscosity and evaluation of hydrogen chloride gas through dehydrochlorination process.
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Affiliation(s)
- Mohammad Hayal Alotaibi
- National Center for Petrochemicals Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh, 11442, Saudi Arabia
| | - Gamal A. El-Hiti
- Department of Optometry, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh, 11433, Saudi Arabia
| | - Hassan Hashim
- Department of Physics, College of Science, Al-Nahrain University, Baghdad, Iraq
| | - Ayad S. Hameed
- Department of Chemistry, College of Science, Tikrit University, Tikrit, 34001, Iraq
| | - Dina S. Ahmed
- Department of Chemistry, College of Science, Tikrit University, Tikrit, 34001, Iraq
| | - Emad Yousif
- Department of Chemistry, College of Science, Al-Nahrain University, Baghdad, 64021, Iraq
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Lin L, Yi H, Guo X, Zhang P, Chen L, Hao D, Wang S, Liu M, Jiang L. Nonswellable hydrogels with robust micro/nano-structures and durable superoleophobic surfaces under seawater. Sci China Chem 2017. [DOI: 10.1007/s11426-017-9149-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Cheng G, Liao M, Zhao D, Zhou J. Molecular Understanding on the Underwater Oleophobicity of Self-Assembled Monolayers: Zwitterionic versus Nonionic. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:1732-1741. [PMID: 28122450 DOI: 10.1021/acs.langmuir.6b03988] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Molecular dynamics simulations are conducted to investigate the underwater oleophobicity of self-assembled monolayers (SAMs) with different head groups. Simulation results show that the order of underwater oleophobicity of SAMs is methyl < amide < oligo(ethylene glycol) (OEG) < ethanolamine (ETA) < hydroxyl < mixed-charged zwitterionic. The underwater-oil contact angles (OCAs) are <133° for all nonionic hydrophilic SAMs, while the mixed-charged zwitterionic SAMs are underwater superoleophobic (OCA can reach 180°). It appears that surfaces with stronger underwater oleophobicity have better antifouling performance. Further study on the effect of different alkyl ammonium ions on mixed-charged SAMs reveals that the underwater OCAs are >143.6° for all SAMs; mixed-charged SAMs containing primary alkyl ammonium ion are likely to possess the best underwater oleophobicity for its strong hydration capacity. It seems that alkyl sulfonate anion (SO3-) is more hydrophilic than alkyl trimethylammonium ion (NC3+) for the hydrophobic methyl groups on nitrogen atoms and that the hydration of SO3- in mixed-charged SAMs can be seriously blocked by NC3+. The monomer of SO3- should be slightly longer than that of NC3+ to obtain better underwater oleophobicity in NC3+-/SO3--SAMs. In addition, the underwater oleophobicity of SAMs might become worse at low grafting densities. This work systematically proves that a zwitterionic surface is more underwater oleophobic than a nonionic surface. These results will help for the design and development of superoleophobic surfaces.
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Affiliation(s)
- Gang Cheng
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Laboratory for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, China
| | - Mingrui Liao
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Laboratory for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, China
| | - Daohui Zhao
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Laboratory for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, China
| | - Jian Zhou
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Laboratory for Green Chemical Product Technology, South China University of Technology , Guangzhou 510640, China
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Li D, Wu A, Xu G, Lai H, Cheng Z, Liu Y. Regulating Underwater Superoleophobicity to Superoleophilicity on Hierarchical Structured Copper Substrates through Assembling n-Alkanoic Acids. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:13493-13499. [PMID: 27935307 DOI: 10.1021/acs.langmuir.6b03771] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In this paper, we report a simple method based on assembling n-alkanoic acids on hierarchical structured copper toward preparing surfaces with tunable oil wetting performance in water. Surface wettability from superoleophobicity to superoleophilicity in water can be regulated through tuning the chain length of n-alkanoic acids. Importantly, even in strongly acid and basic water, such phenomena can still be observed. The cooperation between the hierarchical structures and the surface chemical composition variation is responsible for the controllability. Meanwhile, the tunable ability is universal and the controllability is suitable for various oils including silicon oil, n-hexane, and chloroform. Moreover, the method was also used on copper mesh substrates, and we reported the related application of selective oil/water separation. This paper provides a flexible strategy toward preparing surfaces with tunable oil wetting performances, which can also be suitable for other materials, and offers some fresh ideas in manipulating underwater oil wetting performances on surfaces.
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Affiliation(s)
- Defeng Li
- Collaborative Innovation Center of Biomass Energy and ‡College of Mechanical and Electrical Engineering, Henan Agricultural University , Zhengzhou 450002, Henan Province, China
- School of Chemical Engineering and Technology and ∥Natural Science Research Center, Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology , Harbin 150001, P. R. China
| | - Ang Wu
- Collaborative Innovation Center of Biomass Energy and ‡College of Mechanical and Electrical Engineering, Henan Agricultural University , Zhengzhou 450002, Henan Province, China
- School of Chemical Engineering and Technology and ∥Natural Science Research Center, Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology , Harbin 150001, P. R. China
| | - Guangyin Xu
- Collaborative Innovation Center of Biomass Energy and ‡College of Mechanical and Electrical Engineering, Henan Agricultural University , Zhengzhou 450002, Henan Province, China
- School of Chemical Engineering and Technology and ∥Natural Science Research Center, Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology , Harbin 150001, P. R. China
| | - Hua Lai
- Collaborative Innovation Center of Biomass Energy and ‡College of Mechanical and Electrical Engineering, Henan Agricultural University , Zhengzhou 450002, Henan Province, China
- School of Chemical Engineering and Technology and ∥Natural Science Research Center, Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology , Harbin 150001, P. R. China
| | - Zhongjun Cheng
- Collaborative Innovation Center of Biomass Energy and ‡College of Mechanical and Electrical Engineering, Henan Agricultural University , Zhengzhou 450002, Henan Province, China
- School of Chemical Engineering and Technology and ∥Natural Science Research Center, Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology , Harbin 150001, P. R. China
| | - Yuyan Liu
- Collaborative Innovation Center of Biomass Energy and ‡College of Mechanical and Electrical Engineering, Henan Agricultural University , Zhengzhou 450002, Henan Province, China
- School of Chemical Engineering and Technology and ∥Natural Science Research Center, Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology , Harbin 150001, P. R. China
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Arora JS, Cremaldi JC, Holleran MK, Ponnusamy T, Sunkara B, He J, Pesika NS, John VT. Hierarchical patterning of hydrogels by replica molding of impregnated breath figures leads to superoleophobicity. NANOSCALE 2016; 8:18446-18453. [PMID: 27775743 DOI: 10.1039/c6nr06629a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The surface chemistry and topography govern the spreading of liquids on a solid. When an oil drop makes a contact angle, θ > 90° on a solid surface, the solid is termed as oleophobic. Adding roughness to an inherently oleophobic surface enhances its oil dewetting and can lead to superoleophobicity when θ > 150°. In this study, we introduce the concept of a two-tier hierarchical roughness on the surface of soft materials such as hydrogels by forming the patterned inverse replica of breath figure polymer films impregnated with nanoparticles. The directed deposition of nanoparticles in the breath figure pores is accomplished by an aerosol assisted technique that exclusively leads to deposition within the pores and filling of the pores. The inverse replica of such impregnated films exhibits a close packed hexagonally structured second tier of surface roughness which directly leads to a superoleophobic surface. Since these structures have well defined geometries, it is possible to estimate the contact angle by assuming a partial wetting of the oil drop in a 'fakir' state on the rough surface. The estimation is in good agreement with the experimental contact angle value. While the work demonstrates a facile method to impart superoleophobicity to a hydrogel surface, it also demonstrates new methods to imbue breath figure pores with functional materials that can be easily transferred to the pores of the inverse replica.
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Affiliation(s)
- J S Arora
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA 70118, USA. and Vector Borne Infectious Diseases Research Center, Tulane University, New Orleans, LA 70112, USA
| | - J C Cremaldi
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA 70118, USA.
| | - M K Holleran
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA 70118, USA.
| | - T Ponnusamy
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA 70118, USA.
| | - B Sunkara
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA 70118, USA.
| | - J He
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA 70118, USA.
| | - N S Pesika
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA 70118, USA. and Vector Borne Infectious Diseases Research Center, Tulane University, New Orleans, LA 70112, USA
| | - V T John
- Department of Chemical and Biomolecular Engineering, Tulane University, New Orleans, LA 70118, USA. and Vector Borne Infectious Diseases Research Center, Tulane University, New Orleans, LA 70112, USA
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