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< Page ,Total 29 >
Substrate-Independent, Fast, and Reversible Switching between Underwater Superaerophobicity and Aerophilicity on the Femtosecond Laser-Induced Superhydrophobic Surfaces for Selectively Repelling or Capturing Bubbles in Water. PubMed SCIE
期刊论文 | 2019 , 11 (8) , 8667-8675 | ACS applied materials & interfaces
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Abstract :

In this paper, the reversible switching between underwater (super-) aerophilicity and superaerophobicity was achieved on various femtosecond (fs) laser-induced superhydrophobic surfaces. A range of materials including Al, stainless steel, Cu, Ni, Si, poly(tetrafluoroethylene), and polydimethylsiloxane were first transformed to superhydrophobic after the formation of surface microstructures through fs laser treatment. These surfaces showed (super-) aerophilicity when immersed in water. In contrast, if the surface was prewetted with ethanol and then dipped into water, the surfaces showed superaerophobicity in water. The underwater aerophilicity of the superhydrophobic substrates could easily recover by drying. The switching between the underwater aerophilicity and superaerophobicity can be fast repeated many cycles and is substrate-independent in stark contrast to common wettability-switchable surfaces based on stimuli-responsive chemistry. Therefore, the as-prepared superhydrophobic surfaces can capture or repel air bubbles in water by selectively switching between underwater superaerophobicity and aerophilicity. Finally, we demonstrated that the underwater bubbles could pass through an underwater aerophilic porous sheet but were intercepted by an underwater superaerophobic porous sheet. The selective passage of the underwater bubbles was achieved by the reversible switching between the underwater aerophilicity and superaerophobicity. We believe that this substrate-independent and fast method of switching air wettability has important applications in controlling air behavior in water.

Keyword :

switchable wettability underwater superaerophilicity femtosecond laser bubble wettability underwater superaerophobicity

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GB/T 7714 Yong Jiale , Singh Subhash C , Zhan Zhibing et al. Substrate-Independent, Fast, and Reversible Switching between Underwater Superaerophobicity and Aerophilicity on the Femtosecond Laser-Induced Superhydrophobic Surfaces for Selectively Repelling or Capturing Bubbles in Water. [J]. | ACS applied materials & interfaces , 2019 , 11 (8) : 8667-8675 .
MLA Yong Jiale et al. "Substrate-Independent, Fast, and Reversible Switching between Underwater Superaerophobicity and Aerophilicity on the Femtosecond Laser-Induced Superhydrophobic Surfaces for Selectively Repelling or Capturing Bubbles in Water." . | ACS applied materials & interfaces 11 . 8 (2019) : 8667-8675 .
APA Yong Jiale , Singh Subhash C , Zhan Zhibing , Chen Feng , Guo Chunlei . Substrate-Independent, Fast, and Reversible Switching between Underwater Superaerophobicity and Aerophilicity on the Femtosecond Laser-Induced Superhydrophobic Surfaces for Selectively Repelling or Capturing Bubbles in Water. . | ACS applied materials & interfaces , 2019 , 11 (8) , 8667-8675 .
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Low-cost high integration IR polymer microlens array SCIE
期刊论文 | 2019 , 44 (7) , 1600-1602 | OPTICS LETTERS
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In this Letter, a low-cost refractive convex microlens array device based on infrared a polymer is fabricated by a nanoimprinting technique. The device integrates more than 4000 microlenslets within a footprint of 10 mm x 10 mm. The surface quality, spectral transmittance, imaging resolution, and surface damage threshold of the device have been fully characterized. The IR imaging and parallel laser inscription experiments confirm the remarkable optical performance of the fabricated device. Owing to the merits of high optical quality, low fluence lose, and simple fabrication, this device is promising in cutting-edge IR applications, such as IR imaging, laser fabrication, and so on. (C) 2019 Optical Society of America

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GB/T 7714 Liu, Feng , Yang, Qing , Chen, Feng et al. Low-cost high integration IR polymer microlens array [J]. | OPTICS LETTERS , 2019 , 44 (7) : 1600-1602 .
MLA Liu, Feng et al. "Low-cost high integration IR polymer microlens array" . | OPTICS LETTERS 44 . 7 (2019) : 1600-1602 .
APA Liu, Feng , Yang, Qing , Chen, Feng , Zhang, Fan , Bian, Hao , Hou, Xun . Low-cost high integration IR polymer microlens array . | OPTICS LETTERS , 2019 , 44 (7) , 1600-1602 .
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Femtosecond Laser-Induced Underwater Superoleophobic Surfaces with Reversible pH-Responsive Wettability SCIE
期刊论文 | 2019 , 35 (9) , 3295-3301 | LANGMUIR
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Wettability-switchable surfaces have become a research hotspot because they can exhibit different superwetting states. In this paper, the copper surfaces with pH-responsive underwater-oil wettability were prepared by femtosecond laser treatment and subsequent chemical modification. The resultant surfaces showed underwater superoleophobicity in alkaline solutions but quasi-superoleophilicity in acidic solutions. The contact angles of an underwater-oil droplet on the resultant surfaces could be reversibly tuned between 157 degrees and 12 degrees by changing the pH of aqueous solutions. Such switchable wettability is ascribed to the modification of the alkyl and carboxylic acids groups on the laser-structured surfaces. The as-prepared surfaces have both oil-resistance and oil-collection abilities by selectively showing underwater superoleophobicity and superoleophilicity. The smart surfaces with pH-responsive oil wettability will have important applications in controlling the oil behavior in water.

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GB/T 7714 Zhang, Jingzhou , Yong, Jiale , Yang, Qing et al. Femtosecond Laser-Induced Underwater Superoleophobic Surfaces with Reversible pH-Responsive Wettability [J]. | LANGMUIR , 2019 , 35 (9) : 3295-3301 .
MLA Zhang, Jingzhou et al. "Femtosecond Laser-Induced Underwater Superoleophobic Surfaces with Reversible pH-Responsive Wettability" . | LANGMUIR 35 . 9 (2019) : 3295-3301 .
APA Zhang, Jingzhou , Yong, Jiale , Yang, Qing , Chen, Feng , Hou, Xun . Femtosecond Laser-Induced Underwater Superoleophobic Surfaces with Reversible pH-Responsive Wettability . | LANGMUIR , 2019 , 35 (9) , 3295-3301 .
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A femtosecond laser-induced superhygrophobic surface: beyond superhydrophobicity and repelling various complex liquids SCIE
期刊论文 | 2019 , 9 (12) , 6650-6657 | RSC ADVANCES
WoS CC Cited Count: 3
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Abstract :

Surfaces that can strongly repel various complex liquids, not just pure water, are highly desirable and the fabrication of such surfaces still remains a huge challenge because the liquids one wants to repel usually have a complex chemical composition, viscosity, and concentration. Here, a superhygrophobic surface microstructure was created on a polytetrafluoroethylene (PTFE) surface by femtosecond laser treatment. The laser-ablated surface was composed of a micro/nanoscale hierarchical structure and micropores with a certain degree of re-entrant curvature. After femtosecond laser ablation, the sample surface is directly endowed with superhygrophobicity and has great ability to repel various pure and complex liquids, such as water, 10000 ppm bovine serum albumin, cola, 10000 ppm glucose, juice, and saline. It is because the combined effect of the ultralow surface energy of the PTFE material, the laser-induced hierarchical rough microstructure, and the partly re-entrant surface curvature of the porous structure allows the complex liquid droplets to be at the robust Cassie state on the laser-induced surface microstructure. Such superhygrophobic surfaces can be potentially applied in cell engineering, medical instruments, food packaging, microfluidics technology, chemical engineering, and so on.

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GB/T 7714 Xi, Min , Yong, Jiale , Chen, Feng et al. A femtosecond laser-induced superhygrophobic surface: beyond superhydrophobicity and repelling various complex liquids [J]. | RSC ADVANCES , 2019 , 9 (12) : 6650-6657 .
MLA Xi, Min et al. "A femtosecond laser-induced superhygrophobic surface: beyond superhydrophobicity and repelling various complex liquids" . | RSC ADVANCES 9 . 12 (2019) : 6650-6657 .
APA Xi, Min , Yong, Jiale , Chen, Feng , Yang, Qing , Hou, Xun . A femtosecond laser-induced superhygrophobic surface: beyond superhydrophobicity and repelling various complex liquids . | RSC ADVANCES , 2019 , 9 (12) , 6650-6657 .
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How To Obtain Six Different Superwettabilities on a Same Microstructured Pattern: Relationship between Various Superwettabilities in Different Solid/Liquid/Gas Systems. PubMed SCIE
期刊论文 | 2019 , 35 (4) , 921-927 | Langmuir : the ACS journal of surfaces and colloids
WoS CC Cited Count: 10
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Abstract :

A range of different superwettabilities were obtained on femtosecond laser-structured Al surfaces. The formation mechanism of each superwetting state is discussed in this paper. It is revealed that the underwater oil droplet and bubble wettabilities of a solid surface have a close relationship with its water wettability. The laser-induced hierarchical microstructures showed superhydrophilicity in air but showed superoleophobicity/superaerophobicity after immersion in water. When such microstructures were further modified with a low-surface-energy monolayer, the wettability of the resultant surface would turn to superhydrophobicity with ultralow water adhesion in air and superoleophilicity/superaerophilicity in water. The understanding of the relationship among the above-mentioned six different superwettabilities is highly important in the design of various superwetting microstructures, transforming the structures from one superwetting state to another state and better using the artificial superwetting materials.

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GB/T 7714 Yong Jiale , Singh Subhash C , Zhan Zhibing et al. How To Obtain Six Different Superwettabilities on a Same Microstructured Pattern: Relationship between Various Superwettabilities in Different Solid/Liquid/Gas Systems. [J]. | Langmuir : the ACS journal of surfaces and colloids , 2019 , 35 (4) : 921-927 .
MLA Yong Jiale et al. "How To Obtain Six Different Superwettabilities on a Same Microstructured Pattern: Relationship between Various Superwettabilities in Different Solid/Liquid/Gas Systems." . | Langmuir : the ACS journal of surfaces and colloids 35 . 4 (2019) : 921-927 .
APA Yong Jiale , Singh Subhash C , Zhan Zhibing , Chen Feng , Guo Chunlei . How To Obtain Six Different Superwettabilities on a Same Microstructured Pattern: Relationship between Various Superwettabilities in Different Solid/Liquid/Gas Systems. . | Langmuir : the ACS journal of surfaces and colloids , 2019 , 35 (4) , 921-927 .
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Reducing Adhesion for Dispensing Tiny Water/Oil Droplets and Gas Bubbles by Femtosecond Laser-Treated Needle Nozzles: Superhydrophobicity, Superoleophobicity, and Superaerophobicity EI SCIE
期刊论文 | 2019 , 5 (2) , 241-249 | ChemNanoMat
WoS CC Cited Count: 6
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Abstract :

Three-level microstructures were formed on the stainless-steel surfaces by simple femtosecond laser ablation. The structured surfaces exhibit superhydrophilicity in air and superoleophobicity/superaerophobicity in water. After further stearic acid modification, the surfaces turned to superhydrophobicity and underwater superoleophilicity/superaerophilicity. Through this technique, the nozzle of a needle is transformed to possess superwettabilities. When the nozzles were used to release liquid and gas, the sizes of the dispensed water and oil droplets and air bubbles were dramatically reduced. Particularly, we demonstrate that the underwater superaerophobic nozzle could dispense air bubbles in nanoliter volume without the need of reducing the nozzle diameter. The liquid retention at the opening of the needle was also effectively prevented. Therefore, the reduced droplet/bubble size and retention allow us to achieve a dramatically enhanced volume accuracy and resolution during manipulation and transport of aqueous solutions and gases. The femtosecond laser-induced superwetting nozzles can be used in high-resolution liquid transport, inkjet printing, 3D printing, pipettes, medical devices, cell engineering, biological detection, microchemical reactor, and reducing industrial gas emission. © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

Keyword :

Biological detection Micro-chemical reactors Stainless steel surface Structured surfaces Super-hydrophilicity superaerophobicity Superhydrophobicity Superoleophobicity

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GB/T 7714 Yong, Jiale , Singh, Subhash C. , Zhan, Zhibing et al. Reducing Adhesion for Dispensing Tiny Water/Oil Droplets and Gas Bubbles by Femtosecond Laser-Treated Needle Nozzles: Superhydrophobicity, Superoleophobicity, and Superaerophobicity [J]. | ChemNanoMat , 2019 , 5 (2) : 241-249 .
MLA Yong, Jiale et al. "Reducing Adhesion for Dispensing Tiny Water/Oil Droplets and Gas Bubbles by Femtosecond Laser-Treated Needle Nozzles: Superhydrophobicity, Superoleophobicity, and Superaerophobicity" . | ChemNanoMat 5 . 2 (2019) : 241-249 .
APA Yong, Jiale , Singh, Subhash C. , Zhan, Zhibing , Huo, Jinglan , Chen, Feng , Guo, Chunlei . Reducing Adhesion for Dispensing Tiny Water/Oil Droplets and Gas Bubbles by Femtosecond Laser-Treated Needle Nozzles: Superhydrophobicity, Superoleophobicity, and Superaerophobicity . | ChemNanoMat , 2019 , 5 (2) , 241-249 .
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Ordinary Optical Fiber Sensor for Ultra-High Temperature Measurement Based on Infrared Radiation SCIE PubMed
期刊论文 | 2018 , 18 (11) | SENSORS
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An ordinary optical fiber ultra-high temperature sensor based on infrared radiation with the advantages of simple structure and compact is presented. The sensing system consists of a detection fiber and a common transmission fiber. The detector fiber is formed by annealing a piece of ordinary fiber at high temperature twice, which changes the properties of the fiber and breaks the temperature limit of ordinary fiber. The transmission fiber is a bending insensitive optical fiber. A static calibration system was set up to determine the performance of the sensor and three heating experiments were carried out. The temperature response sensitivities were 0.010 dBm/K, 0.009 dBm/K and 0.010 dBm/K, respectively, which indicate that the sensor has good repeatability. The sensor can withstand a high temperature of 1823 K for 58 h with an error of less than 1%. The main reason why the developed ordinary optical fiber sensor can work steadily for a long time at high temperature is the formation of beta-cristobalite, which is stable at high-temperature.

Keyword :

optical fiber sensor high temperature sensing infrared radiation

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GB/T 7714 Lin, Qijing , Zhao, Na , Yao, Kun et al. Ordinary Optical Fiber Sensor for Ultra-High Temperature Measurement Based on Infrared Radiation [J]. | SENSORS , 2018 , 18 (11) .
MLA Lin, Qijing et al. "Ordinary Optical Fiber Sensor for Ultra-High Temperature Measurement Based on Infrared Radiation" . | SENSORS 18 . 11 (2018) .
APA Lin, Qijing , Zhao, Na , Yao, Kun , Jiang, Zhuangde , Tian, Bian , Shi, Peng et al. Ordinary Optical Fiber Sensor for Ultra-High Temperature Measurement Based on Infrared Radiation . | SENSORS , 2018 , 18 (11) .
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Integration of Great Water Repellence and Imaging Performance on a Superhydrophobic PDMS Microlens Array by Femtosecond Laser Microfabrication EI SCIE
期刊论文 | 2018 | Advanced Engineering Materials
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Microlens arrays (MLAs), as the important optical devices, are easily polluted by the water droplets or power-like-contaminates in the air. Endowing the artificial MLAs with anti-water and self-cleaning abilities remains great challenge. In this paper, the authors report a novel method for fabricating superhydrophobic polydimethylsiloxane (PDMS) MLAs by the combination of femtosecond laser wet etching and femtosecond laser direct writing methods. The resultant surface is composed of a convex MLA and the surrounding rough micro/nanoscale hierarchical structures. Water droplet on the surface of the as-prepared MLA shows a contact angle of 162° and can easily roll away when the substrate is slightly tilted 0.5°. In addition to their excellent imaging performance, such ultralow adhesive and ultrahigh superhydrophobicity also endows the as-prepared MLA with excellent anti-water ability as well as the self-cleaning function relative to the normal MLA. The authors believe that the anti-water and self-cleaning MLAs will potentially have many important applications in solar cells, medical endoscopes, and other optical systems that are often used in the humid environment or outdoors. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Keyword :

Femtosecond laser microfabrication Hierarchical structures Imaging performance Medical endoscopes Micro-lens arrays Polydimethylsiloxane PDMS Self cleaning Superhydrophobicity

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GB/T 7714 Li, Minjing , Yang, Qing , Chen, Feng et al. Integration of Great Water Repellence and Imaging Performance on a Superhydrophobic PDMS Microlens Array by Femtosecond Laser Microfabrication [J]. | Advanced Engineering Materials , 2018 .
MLA Li, Minjing et al. "Integration of Great Water Repellence and Imaging Performance on a Superhydrophobic PDMS Microlens Array by Femtosecond Laser Microfabrication" . | Advanced Engineering Materials (2018) .
APA Li, Minjing , Yang, Qing , Chen, Feng , Yong, Jiale , Bian, Hao , Wei, Yang et al. Integration of Great Water Repellence and Imaging Performance on a Superhydrophobic PDMS Microlens Array by Femtosecond Laser Microfabrication . | Advanced Engineering Materials , 2018 .
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Green, Biodegradable, Underwater Superoleophobic Wood Sheet for Efficient Oil/Water Separation Scopus SCIE
期刊论文 | 2018 , 3 (2) , 1395-1402 | ACS Omega
WoS CC Cited Count: 10 SCOPUS Cited Count: 10
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© 2018 American Chemical Society.Superwettable (by water or oil) materials have been used in oil/water separation to cope with the growing oily industrial sewage discharge and oil spill accidents. The artificial superwetting materials for oil/water separation that have been previously reported are expensive, and using them usually causes secondary pollution, so practical, large-scale uses of those materials are limited. Here, we find that wood sheet shows underwater superoleophobicity and low oil adhesion in water, resulting from its strong capacity of absorbing water. A through-microhole array was created on the wood sheet surface by a simple mechanical drilling process. The prewetted porous sheet had great ability to separate the mixtures of water and oil with high separation efficiency. Wood is a low cost, green, and natural eco-friendly material; therefore, we believe that such a simple, low-cost, efficient, and green route of large-scale oil/water separation has great potential to practically solve the pollution problems caused by oil spill and oily industrial wastewater.

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GB/T 7714 Yong, Jiale , Chen, Feng , Huo, Jinglan et al. Green, Biodegradable, Underwater Superoleophobic Wood Sheet for Efficient Oil/Water Separation [J]. | ACS Omega , 2018 , 3 (2) : 1395-1402 .
MLA Yong, Jiale et al. "Green, Biodegradable, Underwater Superoleophobic Wood Sheet for Efficient Oil/Water Separation" . | ACS Omega 3 . 2 (2018) : 1395-1402 .
APA Yong, Jiale , Chen, Feng , Huo, Jinglan , Fang, Yao , Yang, Qing , Bian, Hao et al. Green, Biodegradable, Underwater Superoleophobic Wood Sheet for Efficient Oil/Water Separation . | ACS Omega , 2018 , 3 (2) , 1395-1402 .
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Reversible switch between underwater superaerophilicity and superaerophobicity on the superhydrophobic nanowire-haired mesh for controlling underwater bubble wettability EI SCIE Scopus
期刊论文 | 2018 , 8 (4) | AIP ADVANCES
WoS CC Cited Count: 4 SCOPUS Cited Count: 5
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Controlling the underwater bubble wettability on a solid surface is of great research significance. In this letter, a simple method to achieve reversible switch between underwater superaerophilicity and underwater superaerophobicity on a superhydrophobic nanowire-haired mesh by alternately vacuumizing treatment in water and drying in air is reported. Such reversible switch endows the as-prepared mesh with many functional applications in controlling bubble's behavior on a solid substrate. The underwater superaerophilic mesh is able to absorb/capture bubbles in water, while the superaerophobic mesh has great anti-bubble ability. The reversible switch between underwater superaerophilicity and superaerophobicity can selectively allow bubbles to go through the resultant mesh; that is, bubbles can pass through the underwater superaerophilic mesh while are fully intercepted by the underwater superaerophobic mesh in a water medium. We believe these meshes will have important applications in removing or capturing underwater bubbles/gas. (C) 2018 Author(s).

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GB/T 7714 Shan, Chao , Yong, Jiale , Yang, Qing et al. Reversible switch between underwater superaerophilicity and superaerophobicity on the superhydrophobic nanowire-haired mesh for controlling underwater bubble wettability [J]. | AIP ADVANCES , 2018 , 8 (4) .
MLA Shan, Chao et al. "Reversible switch between underwater superaerophilicity and superaerophobicity on the superhydrophobic nanowire-haired mesh for controlling underwater bubble wettability" . | AIP ADVANCES 8 . 4 (2018) .
APA Shan, Chao , Yong, Jiale , Yang, Qing , Chen, Feng , Huo, Jinglan , Zhuang, Jian et al. Reversible switch between underwater superaerophilicity and superaerophobicity on the superhydrophobic nanowire-haired mesh for controlling underwater bubble wettability . | AIP ADVANCES , 2018 , 8 (4) .
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