Arid
DOI10.1021/acsami.7b14453
Bioinspired Nanostructured Surfaces for On-Demand Bubble Transportation
Tang, Xin1,2; Xiong, Hairui3; Kong, Tiantian2,4; Tian, Ye1,2; Li, Wen-Di1,2,5; Wang, Liqiu1,2
通讯作者Kong, Tiantian ; Wang, Liqiu
来源期刊ACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
EISSN1944-8252
出版年2018
卷号10期号:3页码:3029-3038
英文摘要

The maneuver of small bubbles in a programmed way will advance numerous processes, including gas evolution reaction and aeration. Unlike in-air droplets, rapidly rising bubbles in-liquid medium can hardly be steered through interaction with solid substrates, causing difficulties in maneuvering bubbles. We pattern and lubricate nanoporous substrates with regions of contrasting wettability that is similar to the back of Namib desert beetles and subsequently immerse the lubricated surface underwater to spontaneously form spatially patterned Nepenthes-inspired slippery surfaces after the dewetting of lubricants. As a result, bubbles are confined on lubricant-infused. surfaces, with their high mobility well preserved. The interfacial states of attached bubbles are analyzed, and their dynamic sliding velocities are quantified. Using the lubricated patterned surfaces, we further demonstrate the predefined motion of bubbles driven by buoyancy at a small tiling angle, as well as a self-propulsion of bubbles driven by surface tension force at tilting angle of 0 degrees, respectively. The spatially lubricated surfaces simplify gas handling in liquid medium and have potential applications in fields where bubble handling is crucial.


英文关键词bioinspired pitcher plants pinning-free transport on-demand bubble transportation lubricated surface
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000423496500095
WOS关键词MICROBUBBLE CONTRAST AGENTS ; DROPLET MOBILITY ; LIQUID ; MOTION
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS研究方向Science & Technology - Other Topics ; Materials Science
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/207144
作者单位1.Univ Hong Kong, Dept Mech Engn, Pokfulam, Hong Kong, Peoples R China;
2.HKU ZIRI, Hangzhou 311300, Zhejiang, Peoples R China;
3.Shenzhen Childrens Hosp, Dept Radiol, Shenzhen 518026, Peoples R China;
4.Shenzhen Univ, Dept Biomed Engn, Guangdong Key Lab Biomed Measurements & Ultrasoun, 3688 Nanhai Ave, Shenzhen 518060, Peoples R China;
5.HKU SIRI, Shenzhen 518000, Peoples R China
推荐引用方式
GB/T 7714
Tang, Xin,Xiong, Hairui,Kong, Tiantian,et al. Bioinspired Nanostructured Surfaces for On-Demand Bubble Transportation[J],2018,10(3):3029-3038.
APA Tang, Xin,Xiong, Hairui,Kong, Tiantian,Tian, Ye,Li, Wen-Di,&Wang, Liqiu.(2018).Bioinspired Nanostructured Surfaces for On-Demand Bubble Transportation.ACS APPLIED MATERIALS & INTERFACES,10(3),3029-3038.
MLA Tang, Xin,et al."Bioinspired Nanostructured Surfaces for On-Demand Bubble Transportation".ACS APPLIED MATERIALS & INTERFACES 10.3(2018):3029-3038.
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