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Liquid-Infused Slippery Stainless Steel Surface Prepared by Alcohol-Assisted Femtosecond Laser Ablation EI SCIE
期刊论文 | 2021 , 8 (5) | Advanced Materials Interfaces
WoS CC Cited Count: 1
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Abstract :

Nepenthes-inspired liquid-infused slippery surface (LISS) attracts great attention because it can repel different kinds of liquid and shows great stability. However, the vast majority of LISSs are realized on polymer materials which limit the applications. Here, a kind of universal method to directly construct porous micro/nanostructures on any kind of materials to realize LISS is put forward. As an example, abundant micro/nanohole structures are built on stainless steel surface by alcohol-assisted femtosecond laser ablation. Then, LISS is achieved on stainless steel, which shows slippery property to variety of liquid with different chemical composition. The velocity of water droplet slipping on LISS can be tuned by water droplet volume, LISS tilt angle, and lubricant type. Some potential applications of the LISS are demonstrated by some simple experiments. Flexible movement of magnetic water droplet is realized on the LISS by controlling magnetic field. The LISS shows good antifouling performance to green alga. Moreover, the porous structures are very stable in different harsh environments. This alcohol-assisted femtosecond laser irradiation method successfully constructs porous micro/nanostructures on different kinds of materials. Thus, this work can promote the applications of LISS in droplet manipulation, microfluidics, antifouling surface, and so on. © 2021 Wiley-VCH GmbH

Keyword :

Structures (built objects) Ablation Liquids Stainless steel Femtosecond lasers Laser ablation Drops

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GB/T 7714 Fang, Yao , Yong, Jiale , Cheng, Yang et al. Liquid-Infused Slippery Stainless Steel Surface Prepared by Alcohol-Assisted Femtosecond Laser Ablation [J]. | Advanced Materials Interfaces , 2021 , 8 (5) .
MLA Fang, Yao et al. "Liquid-Infused Slippery Stainless Steel Surface Prepared by Alcohol-Assisted Femtosecond Laser Ablation" . | Advanced Materials Interfaces 8 . 5 (2021) .
APA Fang, Yao , Yong, Jiale , Cheng, Yang , Yang, Qing , Hou, Xun , Chen, Feng . Liquid-Infused Slippery Stainless Steel Surface Prepared by Alcohol-Assisted Femtosecond Laser Ablation . | Advanced Materials Interfaces , 2021 , 8 (5) .
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Guiding magnetic liquid metal for flexible circuit EI
期刊论文 | 2021 , 3 (2) | International Journal of Extreme Manufacturing
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Abstract :

Liquid metal (LM) has potential applications in flexible electronics due to its high electrical conductivity and high flexibility. However, common methods of printing LM circuits on soft substrates lack controllability, precision, and the ability to repair a damaged circuit. In this paper, we propose a method that uses a magnetic field to guide a magnetic LM (MLM) droplet to print and repair a flexible LM circuit on a femtosecond (fs) laser-patterned silicone surface. After mixing magnetic iron (Fe) particles into LM, the movement of the resultant MLM droplet could be controlled by a magnetic field. A patterned structure composed of the untreated flat domain and the LM-repellent rough microstructure produced by fs laser ablation was prepared on the silicone substrate. As an MLM droplet was guided onto the designed pattern, a soft LM circuit with smooth, uniform, and high-precision LM lines was obtained. Interestingly, the MLM droplet could also be guided to repair the circuit broken LM lines, and the repaired circuit maintained its original electrical properties. A flexible tensile sensor was prepared based on the printed LM circuit, which detected the bending degree of a finger. © 2021 The Author(s). Published by IOP Publishing Ltd on behalf of the IMMT. © International Journal of Extreme Manufacturing.

Keyword :

Drops Silicones Ultrafast lasers Timing circuits Repair Liquid metals Flexible electronics Magnetic fields Magnetic circuits Laser ablation Substrates

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GB/T 7714 Zhang, Chengjun , Yang, Qing , Yong, Jiale et al. Guiding magnetic liquid metal for flexible circuit [J]. | International Journal of Extreme Manufacturing , 2021 , 3 (2) .
MLA Zhang, Chengjun et al. "Guiding magnetic liquid metal for flexible circuit" . | International Journal of Extreme Manufacturing 3 . 2 (2021) .
APA Zhang, Chengjun , Yang, Qing , Yong, Jiale , Shan, Chao , Zhang, Jingzhou , Hou, Xun et al. Guiding magnetic liquid metal for flexible circuit . | International Journal of Extreme Manufacturing , 2021 , 3 (2) .
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Stable plasmonic nano-trapping using a hybrid gold-graphene V-trench with an extremely deep potential well SCIE
期刊论文 | 2021 , 11 (12) , 4107-4117 | OPTICAL MATERIALS EXPRESS
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We theoretically investigated the stable plasmonic trapping of sub-50nm targets using integrated gold-graphene V-trench with extremely deep trapping potential well. A hybrid plasmonic trapping model is self-consistently built, which considers the surface plasmons excitation for supporting the scattering and gradient optical forces on the diffraction-limit broken nano-scale. It is demonstrated that trapping of 40 nm gold nano-sphere within the designed hybrid nano-V-trench is achieved via optimal laser intensity in visible spectra. More interestingly, it is observed that the hybrid nano-V-trench forms a vertical potential well having an extremely deep potential well of 85 KBT on the trapped 40 nm gold particle. Formation of an extremely high potential well can be explained by the perspective of localized electric field enhancement inside the nano-V-trench, which was reinforced by the involvement of graphene plasmons in the hybrid plasmonic system. This work can be helpful for well understanding of nanoparticles trapping with high stability, which is useful for the nano-manipulations in the applications of quantum dots lighting, SERS nano-sensor and nano sphere plasmonic lithography. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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GB/T 7714 Karunasena, Danthure Arachchige Dayantha Lankanath , Du, Guangqing , Yang, Qing et al. Stable plasmonic nano-trapping using a hybrid gold-graphene V-trench with an extremely deep potential well [J]. | OPTICAL MATERIALS EXPRESS , 2021 , 11 (12) : 4107-4117 .
MLA Karunasena, Danthure Arachchige Dayantha Lankanath et al. "Stable plasmonic nano-trapping using a hybrid gold-graphene V-trench with an extremely deep potential well" . | OPTICAL MATERIALS EXPRESS 11 . 12 (2021) : 4107-4117 .
APA Karunasena, Danthure Arachchige Dayantha Lankanath , Du, Guangqing , Yang, Qing , Iqbal, Gulshan , Uddin, Noor , Hou, Xun et al. Stable plasmonic nano-trapping using a hybrid gold-graphene V-trench with an extremely deep potential well . | OPTICAL MATERIALS EXPRESS , 2021 , 11 (12) , 4107-4117 .
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Water/gas separation based on the selective bubble-passage effect of underwater superaerophobic and superaerophilic meshes processed by a femtosecond laser EI SCIE PubMed
期刊论文 | 2021 , 13 (23) , 10414-10424 | NANOSCALE
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Abstract :

To solve the problems caused by tiny bubbles in liquids and the difficulties involved in collecting useful gas underwater, this paper proposes a method to separate bubbles from water by integrating underwater superaerophobic and superaerophilic porous membranes, including bubble removal and collection methods. Inspired by fish scales and lotus leaves, underwater superaerophobic microstructures and underwater superaerophilic microstructures are prepared on a stainless steel (SS) mesh by femtosecond laser processing, respectively. The as-prepared underwater superaerophobic mesh has an anti-bubble ability, while the underwater superaerophilic mesh has a bubble-absorption ability in water. Based on the different dynamic behavior of bubbles on these two kinds of superwetting meshes, efficient water/bubble separation is achieved by using laser-induced superwetting meshes. Tiny bubbles can be completely removed from the water flow in a pipe or easily collected. Such water/gas separation methods based on underwater superaerophobic and superaerophilic porous membranes provide an effective way to prevent the damage caused by bubbles and to collect the available gas in liquids, which has great potential applications in energy utilization, environmental protection, medical and health care, microfluidic chips, chemical manufacturing, agricultural breeding, and so on.

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GB/T 7714 Yong, Jiale , Zhuang, Jian , Bai, Xue et al. Water/gas separation based on the selective bubble-passage effect of underwater superaerophobic and superaerophilic meshes processed by a femtosecond laser [J]. | NANOSCALE , 2021 , 13 (23) : 10414-10424 .
MLA Yong, Jiale et al. "Water/gas separation based on the selective bubble-passage effect of underwater superaerophobic and superaerophilic meshes processed by a femtosecond laser" . | NANOSCALE 13 . 23 (2021) : 10414-10424 .
APA Yong, Jiale , Zhuang, Jian , Bai, Xue , Huo, Jinglan , Yang, Qing , Hou, Xun et al. Water/gas separation based on the selective bubble-passage effect of underwater superaerophobic and superaerophilic meshes processed by a femtosecond laser . | NANOSCALE , 2021 , 13 (23) , 10414-10424 .
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Theoretical Study on Symmetry-Broken Plasmonic Optical Tweezers for Heterogeneous Noble-Metal-Based Nano-Bowtie Antennas SCIE PubMed
期刊论文 | 2021 , 11 (3) | NANOMATERIALS
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Plasmonic optical tweezers with a symmetry-tunable potential well were investigated based on a heterogeneous model of nano-bowtie antennas made of different noble substances. The typical noble metals Au and Ag are considered as plasmonic supporters for excitation of hybrid plasmonic modes in bowtie dimers. It is proposed that the plasmonic optical trapping force around a quantum dot exhibits symmetry-broken characteristics and becomes increasingly asymmetrical with increasing applied laser electric field. Here, it is explained by the dominant plasmon hybridization of the heterogeneous Au-Ag dimer, in which the plasmon excitations can be inconsistently modified by tuning the applied laser electric field. In the spectrum regime, the wavelength-dependent plasmonic trapping potential exhibits a two-peak structure for the heterogeneous Au-Ag bowtie dimer compared to a single-peak trapping potential of the Au-Au bowtie dimer. In addition, we comprehensively investigated the influence of structural parameter variables on the plasmonic potential well generated from the heterogeneous noble nano-bowtie antenna with respect to the bowtie edge length, edge/tip rounding, bowtie gap, and nanosphere size. This work could be helpful in improving our understanding of wavelength and laser field tunable asymmetric nano-tweezers for flexible and non-uniform nano-trapping applications of particle-sorting, plasmon coloring, SERS imaging, and quantum dot lighting.

Keyword :

optical tweezers bowtie dimer heterogeneous trapping potential

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GB/T 7714 Du, Guangqing , Lu, Yu , Lankanath, Dayantha et al. Theoretical Study on Symmetry-Broken Plasmonic Optical Tweezers for Heterogeneous Noble-Metal-Based Nano-Bowtie Antennas [J]. | NANOMATERIALS , 2021 , 11 (3) .
MLA Du, Guangqing et al. "Theoretical Study on Symmetry-Broken Plasmonic Optical Tweezers for Heterogeneous Noble-Metal-Based Nano-Bowtie Antennas" . | NANOMATERIALS 11 . 3 (2021) .
APA Du, Guangqing , Lu, Yu , Lankanath, Dayantha , Hou, Xun , Chen, Feng . Theoretical Study on Symmetry-Broken Plasmonic Optical Tweezers for Heterogeneous Noble-Metal-Based Nano-Bowtie Antennas . | NANOMATERIALS , 2021 , 11 (3) .
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Remote, selective, and in situ manipulation of liquid droplets on a femtosecond laser-structured superhydrophobic shape-memory polymer by near-infrared light EI SCIE
期刊论文 | 2021 , 64 (5) , 861-872 | SCIENCE CHINA-CHEMISTRY
WoS CC Cited Count: 1
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Droplet manipulation plays a significant role in the fields of biomedical detection, microfluidics, and chemical engineering. However, it still remains a great challenge to simultaneously achieve remote, selective, and in situ droplet manipulation on a same surface. Here, Fe3O4 nanoparticles were doped in a shape-memory polymer (SMP) to prepare a photothermal-responsive Fe3O4-SMP composite which showed remarkable near-infrared (NIR) light-triggered shape-memory property. Superhydrophobic micropillar array was constructed on such Fe3O4-SMP composite through femtosecond laser microfabrication and fluoroalkylsilane modification. The surface wettability of the as-prepared surface can transform from a low-adhesive sliding state to a high-adhesive pinning state as the micropillars are deformed by pressing. Interestingly, the deformed micropillars can stand up and restore to their original morphology under remote NIR light irradiation, resulting in the reversible and repeatable recovery of the ultralow-adhesive superhydrophobicity. With such light-triggered wettability switching, the droplets pinning on the sample surface can be remotely, selectively, and in situ released. Furthermore, the superhydrophobic Fe3O4-SMP surface is successfully applied in lossless liquid transfer, selective droplet release, and droplet-based microreactor. The as-fabricated superhydrophobic surfaces with NIR light-controlled reversible wettability will hold great promise in the fields of liquid manipulation, lab-on-a-chip, and microfluidics.

Keyword :

light responsive superhydrophobicity droplet manipulation femtosecond laser shape-memory polymer

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GB/T 7714 Bai, Xue , Yong, Jiale , Shan, Chao et al. Remote, selective, and in situ manipulation of liquid droplets on a femtosecond laser-structured superhydrophobic shape-memory polymer by near-infrared light [J]. | SCIENCE CHINA-CHEMISTRY , 2021 , 64 (5) : 861-872 .
MLA Bai, Xue et al. "Remote, selective, and in situ manipulation of liquid droplets on a femtosecond laser-structured superhydrophobic shape-memory polymer by near-infrared light" . | SCIENCE CHINA-CHEMISTRY 64 . 5 (2021) : 861-872 .
APA Bai, Xue , Yong, Jiale , Shan, Chao , Fang, Yao , Hou, Xun , Chen, Feng . Remote, selective, and in situ manipulation of liquid droplets on a femtosecond laser-structured superhydrophobic shape-memory polymer by near-infrared light . | SCIENCE CHINA-CHEMISTRY , 2021 , 64 (5) , 861-872 .
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Bioinspired Artificial Compound Eyes: Characteristic, Fabrication, and Application EI SCIE
期刊论文 | 2021 , 6 (10) | ADVANCED MATERIALS TECHNOLOGIES
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Abstract :

The natural compound eyes provide great inspiration for design of advanced imaging devices. Artificial compound eyes (ACEs) with close-packed microlens arrays (MLAs) have attracted enormous research interests due to their remarkable advantages in modern micro-optical systems, such as miniaturization, high integration, tunable focal length, large field of view, and moving objects tracking. Over a decade of intense research, numerous approaches have been successfully developed to fabricate MLAs with high surface morphology and excellent optical performance. This paper gives a review of progress and continuous effort in the development and practical applications of ACEs. At first, two representative visual systems: single-lens eye and compound eye are briefly introduced. Then, the main characteristic parameters of the microlens and MLAs are presented. After that, various fabrication technologies with different mechanisms that are successfully applied in planar and curved MLAs are summarized. The advantages and limitations of each processing method are discussed. Subsequently, some important practical applications of MLAs, particularly on imaging, beaming homogenizing, sensing, light extraction technique, micro-total analysis systems (mu-TAS), and microfabrication are also given. Finally, the current challenges and further prospects of this field are highlighted.

Keyword :

imaging microlens arrays micro-optics artificial compound eyes microfabrication

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GB/T 7714 Yang, Qing , Li, Minjing , Bian, Hao et al. Bioinspired Artificial Compound Eyes: Characteristic, Fabrication, and Application [J]. | ADVANCED MATERIALS TECHNOLOGIES , 2021 , 6 (10) .
MLA Yang, Qing et al. "Bioinspired Artificial Compound Eyes: Characteristic, Fabrication, and Application" . | ADVANCED MATERIALS TECHNOLOGIES 6 . 10 (2021) .
APA Yang, Qing , Li, Minjing , Bian, Hao , Yong, Jiale , Zhang, Fan , Hou, Xun et al. Bioinspired Artificial Compound Eyes: Characteristic, Fabrication, and Application . | ADVANCED MATERIALS TECHNOLOGIES , 2021 , 6 (10) .
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Fabrication of three-dimensional microvalves of internal nested structures inside fused silica EI SCIE PubMed
期刊论文 | 2021 , 12 (1) | Micromachines
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Nested structures inside the hard material play a pivotal role in the microfluidics systems, such as the microvalve and the micropump. In this article, we demonstrate a novel and facile method of fabricating nested structures inside the fused silica with a two-step process femtosecond laser wet etching (FLWE) process. Inside fused silica, a spherical structure was made with a diameter of nearly 80 µm in a square chamber. In addition, we designed a simple microvalve with this sphere controlling the current’s flow. The novel microvalve structure can be easily integrated into the functional microfluidics systems and will be widely applied in the Lab-on-chip (LOC) system. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Keyword :

Microfluidics Fabrication Femtosecond lasers Valves (mechanical) Wet etching Fused silica Pumps

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GB/T 7714 Shan, Chao , Yang, Qing , Bian, Hao et al. Fabrication of three-dimensional microvalves of internal nested structures inside fused silica [J]. | Micromachines , 2021 , 12 (1) .
MLA Shan, Chao et al. "Fabrication of three-dimensional microvalves of internal nested structures inside fused silica" . | Micromachines 12 . 1 (2021) .
APA Shan, Chao , Yang, Qing , Bian, Hao , Hou, Xun , Chen, Feng . Fabrication of three-dimensional microvalves of internal nested structures inside fused silica . | Micromachines , 2021 , 12 (1) .
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Filtration and removal of liquid polymers from water (polymer/water separation) by use of the underwater superpolymphobic mesh produced with a femtosecond laser EI PubMed SCIE
期刊论文 | 2021 , 582 , 1203-1212 | Journal of Colloid and Interface Science
WoS CC Cited Count: 7
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Abstract :

The widespread use of liquid polymers may pollute water, causing grave environmental problems and even various human diseases. The separation of a mixture of a liquid polymer and water is extremely important in research, but the high viscosity, low fluidity, and high adhesion performance of liquid polymers make this task highly challenging. In this paper, we propose a novel strategy for separating a polymer/water mixture wherein porous underwater superpolymphobic micro/nanostructures are used for the first time. Femtosecond laser (fsL) processing is used to form micro/nanoscale surface structures on a stainless steel mesh (SSM), resulting in excellent repellence (underwater superpolymphobicity) to various liquid polymer droplets in water. The laser-induced underwater superpolymphobicity is very stable even though the SSM suffers from different damage treatments (e.g., sandpaper abrasion, acid or alkali solutions corrosion, UV light irradiation, and tape peeling). The underwater superpolymphobicity is ascribed to an underwater Cassie contact state between the underwater liquid polymer and the surface microstructure of the laser-treated SSM. We demonstrate that the underwater superpolymphobic SSM can be effectively and repeatedly used to separate liquid polymer/water mixtures with a high separation efficiency of 99.0% and a high separation flux of 4.45 × 105 L m−2h−1. The mixtures of water and different polymers are successfully separated. Such a separation strategy can potentially alleviate pollution from liquid polymer discharge, recycle waste polymer resources, and be applied in polymer production and manufacturing. © 2020 Elsevier Inc.

Keyword :

Corrosion Liquids Femtosecond lasers Mesh generation Water filtration Water pollution Manufacture Mixtures Polymers

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GB/T 7714 Yong, Jiale , Bai, Xue , Yang, Qing et al. Filtration and removal of liquid polymers from water (polymer/water separation) by use of the underwater superpolymphobic mesh produced with a femtosecond laser [J]. | Journal of Colloid and Interface Science , 2021 , 582 : 1203-1212 .
MLA Yong, Jiale et al. "Filtration and removal of liquid polymers from water (polymer/water separation) by use of the underwater superpolymphobic mesh produced with a femtosecond laser" . | Journal of Colloid and Interface Science 582 (2021) : 1203-1212 .
APA Yong, Jiale , Bai, Xue , Yang, Qing , Hou, Xun , Chen, Feng . Filtration and removal of liquid polymers from water (polymer/water separation) by use of the underwater superpolymphobic mesh produced with a femtosecond laser . | Journal of Colloid and Interface Science , 2021 , 582 , 1203-1212 .
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How to adjust bubble's adhesion on solid in aqueous media: Femtosecond laser-ablated patterned shape-memory polymer surfaces to achieve bubble multi-manipulation EI SCIE
期刊论文 | 2021 , 414 | Chemical Engineering Journal
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Manipulation of the behaviour of gas bubbles in aqueous environment is of vital significance in medical and microfluidic fields, and has attracted much research attention in the past few years. Making clear the interrelation between underwater bubbles’ wettability and the solid surfaces topography to achieve the bubble adhesion regulation is a crucial factor of realizing the precise bubble manipulation without external stimulation, and a great challenge. Here, by combining the fish-scale-like morphology and rose-petal-like morphology into one sample and changing the proportion of each part, the underwater bubble adhesion could be adjusted from ultralow to low, high, and ultrahigh. The square-patterned array shape-memory polymer (SMP) surfaces with various adhesion forces were fabricated by femtosecond laser ablation and used to realize lossless transportation of a bubble in both horizontal and vertical direction. The high adhesion surface could be used to form programmable microbubble patterns. By taking advantage of the excellent thermal shape-memory character of SMP film, we realized the bubble in-situ release and reversely switch of the bubble adhesion based on the macroscopic and microscopic deforming-recovering of as-prepared SMP sample. The present study will inspire people to develop novel strategies to achieve multi-manipulation of bubbles in practical applications. © 2021 Elsevier B.V.

Keyword :

Adhesion Bubbles (in fluids) Topography Femtosecond lasers Shape-memory polymer Laser ablation Microfluidics

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GB/T 7714 Huo, Jinglan , Bai, Xue , Yong, Jiale et al. How to adjust bubble's adhesion on solid in aqueous media: Femtosecond laser-ablated patterned shape-memory polymer surfaces to achieve bubble multi-manipulation [J]. | Chemical Engineering Journal , 2021 , 414 .
MLA Huo, Jinglan et al. "How to adjust bubble's adhesion on solid in aqueous media: Femtosecond laser-ablated patterned shape-memory polymer surfaces to achieve bubble multi-manipulation" . | Chemical Engineering Journal 414 (2021) .
APA Huo, Jinglan , Bai, Xue , Yong, Jiale , Fang, Yao , Yang, Qing , Hou, Xun et al. How to adjust bubble's adhesion on solid in aqueous media: Femtosecond laser-ablated patterned shape-memory polymer surfaces to achieve bubble multi-manipulation . | Chemical Engineering Journal , 2021 , 414 .
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