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CAS OpenIR  > 中科院上海应用物理研究所2011-2017年  > 期刊论文
题名: Nanobubbles at Hydrophilic Particle-Water Interfaces
作者: Pan, G; He, GZ; Zhang, MY; Zhou, Q; Tyliszczak, T; Tai, RZ; Guo, JH; Bi, L; Wang, L; Zhang, HG
刊名: LANGMUIR
出版日期: 2016
卷号: 32, 期号:43, 页码:11133-11137
DOI: 10.1021/acs.langmuir.6b01483
通讯作者: Pan, G (reprint author), Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China. ; Pan, G (reprint author), Nottingham Trent Univ, Sch Anim Rural & Environm Sci, Brackenhurst Campus, Southwell NG25 0QF, England.
文章类型: 期刊论文
英文摘要: The puzzling persistence of nanobubbles breaks Laplaces law for bubbles, which is of great interest for promising applications in surface processing, H-2 and CO2 storage, water treatment, and drug delivery. So far, nanobubbles have mostly been reported on hydrophobic planar substrates with atomic flatness. It remains a challenge to quantify nanobubbles on rough and irregular surfaces because of the lack of a characterization technique that can detect both the nanobubble morphology and chemical composition inside individual nanobubble-like objects. Here, by using synchrotron-based scanning transmission soft X-ray microscopy (STXM) with nanometer resolution, we discern nanoscopic gas bubbles of >25 nm with direct in situ proof of O-2 inside the nanobubbles at a hydrophilic particle-water interface under ambient conditions. We find a stable cloud of O-2 nanobubbles at the diatomite particle-water interface hours after oxygen aeration and temperature variation. The in situ technique may be useful for many surface nanobubble-related studies such as material preparation and property manipulation, phase equilibrium, nucleation kinetics, and relationships with chemical composition within the confined nanoscale space. The oxygen nanobubble clouds may be important in modifying particle-water interfaces and offering breakthrough technologies for oxygen delivery in sediment and/or deep water environments.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000386991700008
ISSN号: 0743-7463
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26581
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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