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Yan D, Yin K, He Y, Liu Y, Wang L, Deng Q, He J, Awan SU, Khalil ASG. Recent advances in functional micro/nanomaterials for removal of crude oil via thermal effects. NANOSCALE 2024; 16:7341-7362. [PMID: 38511991 DOI: 10.1039/d4nr00501e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Crude oil is one of the most widely used energy and industrial raw materials that is crucial to the world economy, and is used to produce various petroleum products. However, crude oil often spills during extraction, transportation and use, causing negative impacts on the environment. Thus, there is a high demand for products to remediate leaked crude oil. Among them, oleophilic and hydrophobic adsorbents can absorb crude oil through thermal effects and are research hotspots. In this review, we first present an overview of wettability theory, the heating principles of various thermal effects, and the theory of reducing crude oil viscosity by heating. Then we discuss adsorbents based on different heating methods including the photothermal effect, Joule heating effect, alternating magnetic field heating effect, and composite heating effect. Preparation methods and oil adsorption performance of adsorbents are summarized. Finally, the advantages and disadvantages of various heating methods are briefly summarized, as well as the prospects for future research.
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Affiliation(s)
- Duanhong Yan
- Hunan Key Laboratory of Nanophotonic and Devices, School of Physics, Central South University, Changsha, 410083, China.
| | - Kai Yin
- Hunan Key Laboratory of Nanophotonic and Devices, School of Physics, Central South University, Changsha, 410083, China.
- State Key Laboratory of Precision Manufacturing for Extreme Service Performance, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
| | - Yuchun He
- Hunan Key Laboratory of Nanophotonic and Devices, School of Physics, Central South University, Changsha, 410083, China.
| | - Yao Liu
- Hunan Key Laboratory of Nanophotonic and Devices, School of Physics, Central South University, Changsha, 410083, China.
| | - Lingxiao Wang
- Hunan Key Laboratory of Nanophotonic and Devices, School of Physics, Central South University, Changsha, 410083, China.
| | - Qinwen Deng
- Hunan Key Laboratory of Nanophotonic and Devices, School of Physics, Central South University, Changsha, 410083, China.
| | - Jun He
- Hunan Key Laboratory of Nanophotonic and Devices, School of Physics, Central South University, Changsha, 410083, China.
| | - Saif Ullah Awan
- Department of Electrical Engineering, NUST College of Electrical and Mechanical Engineering, National University of Sciences and Technology (NUST), Islamabad 54000, Pakistan
| | - Ahmed S G Khalil
- Institute of Basic and Applied Sciences, Egypt-Japan University of Science and Technology (E-JUST), 179 New Borg El-Arab City, Alexandria, Egypt
- Environmental and Smart Technology Group, Faculty of Science, Fayoum University, Fayoum 63514, Egypt
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Esteki B, Masoomi M, Asadinezhad A. Tailored Morphology in Polystyrene/Poly(lactic acid) Blend Particles: Solvent's Effect on Controlled Janus/Core-Shell Structures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:15306-15318. [PMID: 37864780 DOI: 10.1021/acs.langmuir.3c02103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2023]
Abstract
Controlling the morphology of polymeric particles is vital for their diverse applications. In this study, we explored how solvent composition influences the morphology of poly(styrene)/poly(lactic acid) (PS/PLA) particles prepared via the emulsion solvent evaporation method. We used toluene, dichloromethane (DCM), and various mixtures to prepare these particles. We investigated phase separation within the PS/PLA/solvent system using the Flory-Huggins ternary phase diagram and MesoDyn simulation, revealing pronounced immiscibility and phase separation in both PS/PLA/DCM and PS/PLA/toluene systems. We employed scanning electron microscopy (SEM) and attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR) to characterize the resulting morphologies. Our study unveiled the substantial impact of solvent composition on particle structure. Using pure toluene resulted in acorn-shaped Janus particles. However, incorporating DCM into the solvent induced a transition from Janus to core-shell morphology. Remarkably, core-shell particles exhibited a single-core structure in a mixed toluene/DCM solvent, indicating thermodynamic stability. In contrast, pure DCM favored kinetically controlled multicore morphology, leading to lower PLA crystallinity due to increased PS-PLA interfaces. Samples with high Janus balance formed a self-assembled, two-dimensional (2-D) monolayer film, demonstrating the interfacial activity of the Janus particles. This 2-D monolayer film exhibits desirable emulsification properties with potential applications in various fields. Our study combines theoretical and experimental analyses, shedding light on the profound impact of solvent composition on the PS/PLA particle morphology. We observed transitions from Janus to core-shell structures, highlighted the influence of solvent viscosity on particle size, and uncovered the formation of self-assembled 2-D monolayer films. These insights are pivotal for tailoring polymeric particle structures. Furthermore, our findings advance macromolecular science in interface design, offering promising prospects for innovative materials development.
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Affiliation(s)
- Bahareh Esteki
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Mahmood Masoomi
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Ahmad Asadinezhad
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
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Xu B, Min S, Ding Y, Chen H, Zhu Q. Multi-pores Janus paper with unidirectional liquid transport property toward information encryption/decryption. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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Li C, Feng H, Tao F, Yang T, Chen N, Chen B. Thermal and magnetic dual-responsive switchable device with superhydrophilicity/underwater superoleophobicity and excellent targeted oil–water separation performance. Aust J Chem 2022. [DOI: 10.1071/ch22160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
In view of the increasingly serious problem of oil–water separation, it is a convenient and practical method to introduce a hydrogel coating on the surface of materials to make super-wetting materials. Nowadays, researchers of super-wetting materials pay more attention to the research and development of responsive materials. Here, a thermal and magnetic dual-responsive superhydrophilicity/underwater superoleophobicity switchable device (Fe3O4@PNIPAM-Cu) was simply fabricated using the Fe3O4 nanoparticles, poly-N-isopropylacrylamide (PNIPAM) hydrogel as the functional coating and copper foam as the skeleton through a one-step solution immersion method. The separation efficiency of the benzene-water mixture of this dual-responsive device can reach up to 99.98%. Even after 10 separation cycles, it maintained an efficiency of more than 99.90%. At temperatures above ~34°C, the device can stop oil–water separation. The experiments presented here demonstrate this dual-responsive device possesses excellent superhydrophilicity/underwater superoleophobicity, thermal-responsive property and magnetic navigation function.
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Xu B, Zhang J, Pan D, Ni J, Yin K, Zhang Q, Ding Y, Li A, Wu D, Shen Z. High-performance blood plasma separation based on a Janus membrane technique and RBC agglutination reaction. LAB ON A CHIP 2022; 22:4382-4392. [PMID: 36278889 DOI: 10.1039/d2lc00508e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Separation of plasma which is full of various biomarkers is critical for clinical diagnosis. However, the point-of-care plasma separation often relies on microfluidic filtration membranes which are usually limited in purity, yield, hemolysis, extraction speed, hematocrit level, and protein recovery. Here, we have developed a high-performance plasma membrane separation technique based on a Janus membrane and red blood cell (RBC) agglutination reaction. The RBC agglutination reaction can form larger RBC aggregates to separate plasma from blood cells. Then, the Janus membrane, serving as a multipore microfilter to block large RBC aggregates, allows the plasma to flow from the hydrophobic side to its hydrophilic side spontaneously. As a result, the separation technique can extract highly-purified plasma (99.99%) from whole blood with an ultra-high plasma yield (∼80%) in ∼80 s. Additionally, the separation technique is independent of the hematocrit level and can avoid hemolysis.
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Affiliation(s)
- Bing Xu
- Department of Clinical Laboratory, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China.
- School of Mechanical Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Juan Zhang
- Department of Clinical Laboratory, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China.
| | - Deng Pan
- College of Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China
| | - Jincheng Ni
- Department of Electrical and Computer Engineering, National University of Singapore, 117583 Singapore, Singapore
| | - Kun Yin
- School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, No. 227 Chongqing South Road, Shanghai 200025, China
| | - Qilun Zhang
- Laboratory for Diabetes, Department of Endocrinology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Yinlong Ding
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, 230026, China.
| | - Ang Li
- Department of Clinical Laboratory, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China.
| | - Dong Wu
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, 230026, China.
| | - Zuojun Shen
- Department of Clinical Laboratory, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China.
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6
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Janus nanofibrous membrane with special micro-nanostructure for highly efficient separation of oil–water emulsion. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121532] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Lim SM, Ryu J, Sohn EH, Lee SG, Park IJ, Hong J, Kang HS. Flexible, Elastic, and Superhydrophobic/Superoleophilic Adhesive for Reusable and Durable Water/Oil Separation Coating. ACS APPLIED MATERIALS & INTERFACES 2022; 14:10825-10835. [PMID: 35176848 DOI: 10.1021/acsami.1c23131] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
This study investigates a highly flexible/stretchable and mechanically durable superhydrophobic/superoleophilic coating for efficient oil/water separation and oil absorption. The coating is applied via a simple immersion process using a mixed solution of a biocompatible adhesive (ethyl cyanoacrylate, ECA), a highly stretchable polymer (polycaprolactone, PCL), and superhydrophobic/superoleophilic nanoparticles (fluorine-coated silica nanoparticles, F-SiO2 NPs) in a solvent, followed by solvent evaporation and ECA polymerization. Polymerized ECA (poly-ECA) in the coating material strongly adheres the F-SiO2 NPs to the substrate surface, while PCL bestows the rigid poly-ECA with high flexibility. A coated polyurethane sponge exhibits superhydrophobicity (water contact angle of >150°), while retaining robust mechanical stability and flexibility/elasticity. This provides an efficient means of cleaning oil spills with high selectivity, even after mechanical abrasion (>99% separation efficiency is retained after 120 tape test cycles and 50 rubbing test cycles), with excellent reusability.
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Affiliation(s)
- Soo Min Lim
- Interface Materials and Chemical Engineering Research Center, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeong-ro, Yuseong-gu, 34114, Daejeon, Republic of Korea
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Jaeil Ryu
- Interface Materials and Chemical Engineering Research Center, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeong-ro, Yuseong-gu, 34114, Daejeon, Republic of Korea
- University of Science & Technology (UST), 141 Gajeong-ro, Yuseong-gu, 34114, Daejeon, Republic of Korea
| | - Eun-Ho Sohn
- Interface Materials and Chemical Engineering Research Center, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeong-ro, Yuseong-gu, 34114, Daejeon, Republic of Korea
- University of Science & Technology (UST), 141 Gajeong-ro, Yuseong-gu, 34114, Daejeon, Republic of Korea
| | - Sang Goo Lee
- Interface Materials and Chemical Engineering Research Center, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeong-ro, Yuseong-gu, 34114, Daejeon, Republic of Korea
| | - In Jun Park
- Interface Materials and Chemical Engineering Research Center, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeong-ro, Yuseong-gu, 34114, Daejeon, Republic of Korea
| | - Jinkee Hong
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Hong Suk Kang
- Interface Materials and Chemical Engineering Research Center, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeong-ro, Yuseong-gu, 34114, Daejeon, Republic of Korea
- University of Science & Technology (UST), 141 Gajeong-ro, Yuseong-gu, 34114, Daejeon, Republic of Korea
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Yong J, Yang Q, Hou X, Chen F. Emerging Separation Applications of Surface Superwettability. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:688. [PMID: 35215017 PMCID: PMC8878479 DOI: 10.3390/nano12040688] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 02/13/2022] [Accepted: 02/15/2022] [Indexed: 11/17/2022]
Abstract
Human beings are facing severe global environmental problems and sustainable development problems. Effective separation technology plays an essential role in solving these challenges. In the past decades, superwettability (e.g., superhydrophobicity and underwater superoleophobicity) has succeeded in achieving oil/water separation. The mixture of oil and water is just the tip of the iceberg of the mixtures that need to be separated, so the wettability-based separation strategy should be extended to treat other kinds of liquid/liquid or liquid/gas mixtures. This review aims at generalizing the approach of the well-developed oil/water separation to separate various multiphase mixtures based on the surface superwettability. Superhydrophobic and even superoleophobic surface microstructures have liquid-repellent properties, making different liquids keep away from them. Inspired by the process of oil/water separation, liquid polymers can be separated from water by using underwater superpolymphobic materials. Meanwhile, the underwater superaerophobic and superaerophilic porous materials are successfully used to collect or remove gas bubbles in a liquid, thus achieving liquid/gas separation. We believe that the diversified wettability-based separation methods can be potentially applied in industrial manufacture, energy use, environmental protection, agricultural production, and so on.
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Affiliation(s)
- Jiale Yong
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China; (J.Y.); (X.H.)
| | - Qing Yang
- School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China;
| | - Xun Hou
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China; (J.Y.); (X.H.)
| | - Feng Chen
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China; (J.Y.); (X.H.)
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9
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Yang X, Song R, He L, Wu L, He X, Liu X, Tang H, Lu X, Ma Z, Tian P. Optimization mechanism and applications of ultrafast laser machining towards highly designable 3D micro/nano structuring. RSC Adv 2022; 12:35227-35241. [DOI: 10.1039/d2ra05148f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 11/22/2022] [Indexed: 12/13/2022] Open
Abstract
The optimization mechanism of ultrafast laser machining is introduced. The specific applications of laser processed 3D micro/nano structures in optical, electrochemical and biomedical fields are elaborated, and perspectives are presented.
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Affiliation(s)
- Xiaomeng Yang
- School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
| | - Ruiqi Song
- School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
| | - Liang He
- School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
- Med+X Center for Manufacturing, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Leixin Wu
- School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
| | - Xin He
- School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
| | - Xiaoyu Liu
- School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
| | - Hui Tang
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Xiaolong Lu
- School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
| | - Zeyu Ma
- School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
| | - Peng Tian
- School of Mechanical Engineering, Sichuan University, Chengdu 610065, China
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Ahmad S, Egilmez M, Iqbal M, Ibrahim T, Khamis M, Alnaser AS. Pulsed Laser Deposited Zeolite Coatings on Femtosecond Laser-Nanostructured Steel Meshes for Durable Superhydrophilic/Oleophobic Functionalities. Front Chem 2021; 9:792641. [PMID: 34926409 PMCID: PMC8677653 DOI: 10.3389/fchem.2021.792641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 11/02/2021] [Indexed: 11/13/2022] Open
Abstract
Ultrafast laser structuring has proven to alter the wettability performance of surfaces drastically due to controlled modification of the surface roughness and energy. Surface alteration can be achieved also by coating the surfaces with functional materials with enhanced durability. On this line, robust and tunable surface wettability performance can be achieved by the synergic effects of ultrafast laser structuring and coating. In this work, femtosecond laser-structured stainless steel (SS-100) meshes were used to host the growth of NaAlSi2O6-H2O zeolite films. Contact angle measurements were carried on pristine SS-100 meshes, zeolite-coated SS-100 meshes, laser-structured SS-100 meshes, and zeolite-coated laser-structured SS-100 meshes. Enhanced hydrophilic behavior was observed in the zeolite-coated SS-100 meshes (contact angle 72°) and in laser-structured SS-100 meshes (contact angle 41°). On the other hand, superior durable hydrophilic behavior was observed for the zeolite-coated laser-structured SS-100 meshes (contact angle 14°) over an extended period and reusability. In addition, the zeolite-coated laser-structured SS-100 meshes were subjected to oil-water separation tests and revealed augmented effectuation for oil-water separation.
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Affiliation(s)
- Shahbaz Ahmad
- Department of Physics, American University of Sharjah, Sharjah, United Arab Emirates
| | - M Egilmez
- Department of Physics, American University of Sharjah, Sharjah, United Arab Emirates
| | - M Iqbal
- Department of Physics, American University of Sharjah, Sharjah, United Arab Emirates
| | - T Ibrahim
- Department of Chemical Engineering, American University of Sharjah, Sharjah, United Arab Emirates
| | - M Khamis
- Department of Biology, Chemistry, and Environmental Sciences, American University of Sharjah, Sharjah, United Arab Emirates
| | - Ali S Alnaser
- Department of Physics, American University of Sharjah, Sharjah, United Arab Emirates
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11
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Gulfam R, Zhang P. Fabrication and characterization of fluffy mono-coated copper meshes and their applications for oil/water separation. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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12
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Facile preparation of durable superhydrophobic-superoleophilic mesh using simple chemical oxidation for oil-water separation under harsh conditions. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126777] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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13
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Luo Q, Xu R, Wang K, He J, Liu C, Wu P, Jiang W. Continuous separation of oil/water mixture by a double-layer corrugated channel structure with superhydrophobicity and superoleophilicity. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118647] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Zhang J, Zang H, Zhang Y, Li G, Lai X, Xiao L, Cui Z, Luo L, Song Y, Yang Y, Duan T, Cai Y, Zhang D. An integrated separating system constructed by laser-patterned commercially available materials towards oily domestic sewage. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Wu Z, Yin K, Wu J, Zhu Z, Duan JA, He J. Recent advances in femtosecond laser-structured Janus membranes with asymmetric surface wettability. NANOSCALE 2021; 13:2209-2226. [PMID: 33480955 DOI: 10.1039/d0nr06639g] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Janus wettability membranes have received much attention because of their asymmetric surface wettability. On the basis of this distinctiveness from traditional symmetrical membranes, relevant scholars have been inspired to pursue many innovations utilizing such membranes. Femtosecond laser microfabrication shows many advantages, such as precision, short time, and environmental friendliness, over traditional fabrication methods. Now this has been applied in structuring Janus membranes by researchers. This review covers recent advances in femtosecond laser-structured Janus membranes with asymmetric surface wettability. The background in femtosecond laser-structured Janus membranes is first discussed, focusing on the Janus wettability membrane and femtosecond laser microfabrication. Then the applications of Janus membranes are introduced, which are divided into unidirectional fluid transport, oil-water separation, fog harvesting, and seawater desalination. Finally, based on femtosecond laser-structured Janus membranes, some existing problems are pointed out and future perspectives proposed.
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Affiliation(s)
- Zhipeng Wu
- Hunan Key Laboratory of Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha 410083, China.
| | - Kai Yin
- Hunan Key Laboratory of Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha 410083, China. and The State Key Laboratory of High Performance and Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
| | - Junrui Wu
- Hunan Key Laboratory of Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha 410083, China.
| | - Zhuo Zhu
- Hunan Key Laboratory of Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha 410083, China.
| | - Ji-An Duan
- The State Key Laboratory of High Performance and Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
| | - Jun He
- Hunan Key Laboratory of Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha 410083, China.
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Ejeromedoghene O, Oderinde O, Kang M, Agbedor S, Faruwa AR, Olukowi OM, Fu G, Daramola MO. Multifunctional metal-organic frameworks in oil spills and associated organic pollutant remediation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:42346-42368. [PMID: 32862347 DOI: 10.1007/s11356-020-10322-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 07/29/2020] [Indexed: 05/13/2023]
Abstract
The release of toxic organic compounds into the environment in an event of oil spillage is a global menace due to the potential impacts on the ecosystem. Several approaches have been employed for oil spills clean-up, with adsorption technique proven to be more promising for the total reclamation of a polluted site. Of the several adsorbents so far reported, adsorbent-based porous materials have gained attention for the reduction/total removal of different compounds in environmental remediation applications. The superior potential of mesoporous materials based on metal-organic frameworks (MOFs) against conventional adsorbents is due to their intriguing and enhanced properties. Therefore, this review presents recent development in MOF composites; methods of preparation; and their practical applications towards remediating oil spill, organic pollutants, and toxic gases in different environmental media, as well as potential materials in the possible deployment in reclaiming the polluted Niger Delta due to unabated oil spillage and gas flaring.
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Affiliation(s)
- Onome Ejeromedoghene
- School of Chemistry and Chemical Engineering, Southeast University, Jiangning District, Nanjing, 211189, Jiangsu Province, People's Republic of China
| | - Olayinka Oderinde
- School of Chemistry and Chemical Engineering, Southeast University, Jiangning District, Nanjing, 211189, Jiangsu Province, People's Republic of China.
| | - Mengmeng Kang
- School of Chemistry and Chemical Engineering, Southeast University, Jiangning District, Nanjing, 211189, Jiangsu Province, People's Republic of China
| | - Solomon Agbedor
- College of Mechanics and Materials, Hohai University, Jiangning District, Nanjing, 210000, Jiangsu Province, People's Republic of China
| | - Ajibola R Faruwa
- College of Earth Science and Engineering, Hohai University, Jiangning District, Nanjing, 210000, Jiangsu Province, People's Republic of China
| | - Olubunmi M Olukowi
- School of Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Lingwei Street, Nanjing, 210094, People's Republic of China
| | - Guodong Fu
- School of Chemistry and Chemical Engineering, Southeast University, Jiangning District, Nanjing, 211189, Jiangsu Province, People's Republic of China.
| | - Michael O Daramola
- Department of Chemical Engineering, Faculty of Engineering, Built Environment and Information Technology, University of Pretoria, Private Bag X20 Hatfield, Pretoria, 0028, South Africa.
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Feng N, Yong J. Femtosecond Laser Microfabrication of Porous Superwetting Materials for Oil/Water Separation: A Mini-Review. Front Chem 2020; 8:585723. [PMID: 33102449 PMCID: PMC7545643 DOI: 10.3389/fchem.2020.585723] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 08/26/2020] [Indexed: 11/17/2022] Open
Abstract
Frequent oil-leakage accidents and large quantities of oil-bearing wastewater discharge cause severe environmental pollution and huge economic losses. Recently, superwetting porous materials are successfully utilized to separate oil/water mixture (OWM) based on the different interfacial behavior of water and oil. Here, we summarize the recent development of efficient oil/water separation (OWS) based on the femtosecond laser-induced superwetting materials. The typical wettability-based separation manners (including “oil-removing” and “water-removing”) and the characteristic of the femtosecond laser are introduced as background. Various laser-structured porous sheets with either superhydrophobicity or underwater superoleophobicity are successfully used to separate different OWMs. The laser processing methods, surface wettability, separation process, and separation mechanism of these laser-structured separation materials are reviewed. Finally, the current challenges and prospects in achieving OWS by femtosecond laser microfabrication are discussed.
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Affiliation(s)
- Na Feng
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing, China
| | - Jiale Yong
- School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, China
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Khan SA, Ialyshev V, Kim VV, Iqbal M, Al Harmi H, Boltaev GS, Ganeev RA, Alnaser AS. Expedited Transition in the Wettability Response of Metal Meshes Structured by Femtosecond Laser Pulses for Oil-Water Separation. Front Chem 2020; 8:768. [PMID: 33134259 PMCID: PMC7550779 DOI: 10.3389/fchem.2020.00768] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 07/23/2020] [Indexed: 01/26/2023] Open
Abstract
Oil-water separation using super-wetting and the selective permeability of membranes for oil or water has great ecological and economic significance. We report on the transition of wettability response, from superhydrophilic underwater-superoleophobic to superhydrophobic-superoleophilic state, by nanostructuring stainless steel and copper meshes using ultrashort femtosecond laser pulses. Our approach is environment-friendly, chemical free, and efficient as it exploits the benefit of aging the processed samples in a high vacuum environment. We optimized the laser scanning parameters, mesh pore size, and aging conditions to produce membranes exhibiting an extraordinary separation efficiency of 98% for the oil-water mixture. A variation in the water and oil contact angles for different meshes is presented as a function of the laser scanning speed. Stainless steel meshes with 150 μm pore size and copper meshes with 100 μm pore size have demonstrated an excellent wettability response for oil and water phases. Vacuum aging causes rapid chemisorption of hydrocarbons on laser-structured surfaces in the absence of water molecules, rapidly transforming the wetting state from superhydrophilic to superhydrophobic.
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Affiliation(s)
- Sharjeel Ahmed Khan
- Department of Physics, American University of Sharjah, Sharjah, United Arab Emirates
| | - Vadim Ialyshev
- Department of Physics, American University of Sharjah, Sharjah, United Arab Emirates
| | - Vyacheslav V Kim
- Department of Physics, American University of Sharjah, Sharjah, United Arab Emirates
| | - Mazhar Iqbal
- Department of Physics, American University of Sharjah, Sharjah, United Arab Emirates
| | - Hamad Al Harmi
- Department of Physics, American University of Sharjah, Sharjah, United Arab Emirates
| | - Ganjaboy S Boltaev
- Department of Physics, American University of Sharjah, Sharjah, United Arab Emirates
| | - Rashid A Ganeev
- Department of Physics, American University of Sharjah, Sharjah, United Arab Emirates.,Faculty of Physics, Voronezh State University, Voronezh, Russia
| | - Ali S Alnaser
- Department of Physics, American University of Sharjah, Sharjah, United Arab Emirates
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Han L, Bi H, Xie X, Su S, Mao P, Sun L. Superhydrophobic graphene-coated sponge with microcavities for high efficiency oil-in-water emulsion separation. NANOSCALE 2020; 12:17812-17820. [PMID: 32830837 DOI: 10.1039/d0nr04892e] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Materials for emulsion separation with low pressure, high flux and high stability are of great interest in the treatment of oily wastewater. Herein, we report a facile strategy for the fabrication of PDMS and graphene coated melamine sponge (PG-MS), which can efficiently separate oil-in-water emulsions. In PG-MS, melamine sponge (MS) provides a three-dimensional porous structure, graphene constructs hydrophobic microcavities, and PDMS enhances the hydrophobic property of the material, forming a superhydrophobic material. The PG-MS shows high flux (experimentally 10 000 L m-2 h-1, and the effective flux increases with the thickness of the filter layer), high separation efficiency (oil content of the filtered water ∼4.7 mg L-1 can be discharged directly, with oil separation efficiency >99%), low pressure (applied to overcome water's gravity), and high stability (no obvious change in 20 cycles). Our study indicates that PG-MS has a wide range of applications in oil-in-water emulsion separation in industry and environmental sciences.
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Affiliation(s)
- Longxiang Han
- SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, China.
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Huang L, Zhang L, Song J, Wang X, Liu H. Superhydrophobic Nickel-Electroplated Carbon Fibers for Versatile Oil/Water Separation with Excellent Reusability and High Environmental Stability. ACS APPLIED MATERIALS & INTERFACES 2020; 12:24390-24402. [PMID: 32281777 DOI: 10.1021/acsami.9b23476] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Superhydrophobic filtrating materials have been widely developed for rapid removal or collection of oils from oil/water mixture due to the increasing water pollution caused by oil spills and oil-contaminated wastewater. However, poor reusability, superhydrophobic failure in harsh environments, and that only heavy oil or light oil was separated from water seriously restricted their practical application. Herein, superhydrophobic carbon fibers were first fabricated using a novel nickel electroplating for versatile oil/water separation with excellent reusability and high environmental stability. The interconnected nanometer-scale nickel grains formed on the micrometer-scale fibers and fluoroalkylsilane molecules enabled the fibers to be superhydrophobic with the water contact angle (CA) of ∼159.1° and superoleophilic with the oil CA of ∼0°. The nickel coating contributed to the improvement of the bonding strength, tensile strength, and oxidation resistance of the fibers. The as-prepared fibers could be applied for the separation of heavy or light oil/water mixtures with separation efficiencies above 99.1%, during which the oil content in the separated water all remained below 78 ppm. The fibers also realized the highly efficient separation of dichloromethane and various harsh environmental solutions such as hot water, acid, alkali, and salt. The superhydrophobicity of the fluorinated nickel-coated carbon fibers still remained even after 100 cycles of separation and 24 months of storage in air, demonstrating outstanding durability of the fibers. These novel superhydrophobic carbon fibers had promising potentials for versatile oil/water separation in practical applications.
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Affiliation(s)
- Liu Huang
- Key Laboratory of Theoretical Chemistry of Environment Ministry of Education, School of Chemistry, South China Normal University, Guangzhou 510006, P. R. China
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, P. R. China
| | - Longlong Zhang
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, P. R. China
| | - Jinlong Song
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, P. R. China
- Key Laboratory for Micro/Nano Technology and System of Liaoning Province, Dalian University of Technology, Dalian, Liaoning 116024, P. R. China
| | - Xuyue Wang
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, P. R. China
| | - Hong Liu
- Key Laboratory of Theoretical Chemistry of Environment Ministry of Education, School of Chemistry, South China Normal University, Guangzhou 510006, P. R. China
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Affiliation(s)
- Jian Li
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials and Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
| | - Zhiguang Guo
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials and Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
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Ge X, Qin W, Zhang H, Wang G, Zhang Y, Yu C. A three-dimensional porous Co@C/carbon foam hybrid monolith for exceptional oil-water separation. NANOSCALE 2019; 11:12161-12168. [PMID: 31197303 DOI: 10.1039/c9nr02819f] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Frequent oil spill accidents and ever-increasing oily wastewater have become serious global environmental problems. To enhance the oil-sorption capacity and simplify the oil-recovery process, the construction of various advanced oil sorbents and oil-collecting devices is of great technological importance. Herein, a three-dimensional (3D) porous carbon-based hybrid monolith has been successfully fabricated, in which cobalt based metal-organic framework (Co-MOF) nanosheets are firstly immobilized on a carbon foam (CF) skeleton (denoted as Co-MOFs/CF) via a facile vapor-phase hydrothermal (VPH) technique followed by carbonation treatment under a N2 atmosphere into Co@C/CF. The resulting Co@C/CF hybrid monolith exhibits an exceptional oil/water separation ability, including high sorption capacity (from 85 to 200 times its own weight toward various solvents and oils), easy collection and remarkable recyclability, as reflected by no obvious reduction in uptake capacity even after 20 cycles of repeated operation. More significantly, the oil-collecting device based on the proposed carbon-based hybrid monolith can rapidly, efficiently, and continuously collect oil from water surfaces, making it a promising candidate for oil-spill remediation.
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Affiliation(s)
- Xiao Ge
- Key Laboratory of Materials Physics, Centre for Environmental and Energy Nanomaterials, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China. and University of Science and Technology of China, Hefei 230026, P. R. China
| | - Wenxiu Qin
- Key Laboratory of Materials Physics, Centre for Environmental and Energy Nanomaterials, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China.
| | - Haimin Zhang
- Key Laboratory of Materials Physics, Centre for Environmental and Energy Nanomaterials, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China.
| | - Guozhong Wang
- Key Laboratory of Materials Physics, Centre for Environmental and Energy Nanomaterials, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China.
| | - Yunxia Zhang
- Key Laboratory of Materials Physics, Centre for Environmental and Energy Nanomaterials, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China.
| | - Chengzhong Yu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, QLD 4072, Australia
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Chen M, Huang L, Liu Z, Liu J, Xing Y, Liu X, Jin Z, Wang X. Development of superhydrophilic Al foil with micropore arrays via mask electrochemical machining and chemical immersion for efficient oil/water separation. J DISPER SCI TECHNOL 2019. [DOI: 10.1080/01932691.2019.1623694] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Mu Chen
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China
| | - Liu Huang
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China
| | - Ziai Liu
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China
| | - Jiyu Liu
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China
| | - Yingjie Xing
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China
| | - Xin Liu
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China
| | - Zhuji Jin
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China
| | - Xuyue Wang
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China
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Yong J, Yang Q, Guo C, Chen F, Hou X. A review of femtosecond laser-structured superhydrophobic or underwater superoleophobic porous surfaces/materials for efficient oil/water separation. RSC Adv 2019; 9:12470-12495. [PMID: 35515857 PMCID: PMC9063668 DOI: 10.1039/c8ra10673h] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 04/09/2019] [Indexed: 01/08/2023] Open
Abstract
Oil/water separation (OWS) technology has become an increasingly crucial tool to protect the environment and reduce the economic losses caused by the discharge of oily wastewater and oil spills. Recently, porous materials with superwettability have been applied in effective OWS and have achieved tremendous success. Herein, we review recent advancements of OWS utilizing femtosecond (fs) laser-structured superhydrophobic or underwater superoleophobic porous materials. We will review the enabling materials processing and treatment methods, their surface wettability, the separating methods and processes, and the separation mechanisms. Inspired by lotus leaves and fish scales, superhydrophobic and underwater superoleophobic properties are artificially achieved on substrate surfaces by fs laser processing. By using fs laser-structured superwetting porous materials, various oil/water mixtures (OWMs) are successfully separated through different separation methods. Presently, the research of fs laser-based OWS is still in its infancy. We will also discuss the current challenges and future prospects in this emerging field. It is expected that the advanced features of fs laser microfabrication will lead to exciting applications for OWS.
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Affiliation(s)
- Jiale Yong
- State Key Laboratory for Manufacturing System Engineering, Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronics & Information Engineering, Xi'an Jiaotong University Xi'an 710049 PR China
- The Institute of Optics, University of Rochester Rochester New York 14627 USA
| | - Qing Yang
- School of Mechanical Engineering, Xi'an Jiaotong University Xi'an 710049 PR China
| | - Chunlei Guo
- The Institute of Optics, University of Rochester Rochester New York 14627 USA
| | - Feng Chen
- State Key Laboratory for Manufacturing System Engineering, Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronics & Information Engineering, Xi'an Jiaotong University Xi'an 710049 PR China
| | - Xun Hou
- State Key Laboratory for Manufacturing System Engineering, Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronics & Information Engineering, Xi'an Jiaotong University Xi'an 710049 PR China
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Tian ZN, Chen QD, Hu ZY, Sun YK, Yu YH, Xia H, Sun HB. Mirror-rotation-symmetrical single-focus spiral zone plates. OPTICS LETTERS 2018; 43:3116-3119. [PMID: 29957793 DOI: 10.1364/ol.43.003116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 05/23/2018] [Indexed: 06/08/2023]
Abstract
In this Letter, we report mirror-rotation-symmetrical single-focus spiral zone plates (MS-SZPs) fabricated by femtosecond laser direct writing. The novel optical element can generate a single-focus vortex beam, owing to the element's complicated continuous surface. The MS-SZP surface possesses reverse mirror-rotation symmetry, which ensures that the transfer element has the same surface morphology as the original element. Both the transfer element and original element have good optical properties. The single-focus behavior was investigated by a microscopic imaging system and found to be in good agreement with theoretical simulation results. The innovative optical component is expected to be widely used in optical communication, quantum computation, optical manipulation, and other fields.
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