Super-spreading on superamphiphilic micro-organized nanochannel anodic aluminum oxide surfaces for heat dissipation

Zhu, Zhongpeng; Chen, Yupeng; Xu, Zhe; Yu, Zhenwei; Luo, Xianfeng; Zhou, Jiajia; Tian, Ye; Jiang, Lei

doi:10.1016/j.isci.2021.102334

Cited by 19 publications

(9 citation statements)

References 49 publications

(47 reference statements)

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“…[ 274 ] Superwettable interfaces (e.g., superhydrophilic and superhydrophobic interfaces) also provide efficient platforms for constructing nanochannel‐structured membranes (e.g., mixed‐dimensional nanochannels, ultrathin, and sandwich‐like membranes). [ 47,48,277–279 ] For instance, taking advantage of the superspreading of liquids on superhydrophilic interfaces, [ 49–51 ] Jiang et al. obtained membranes with controllable thickness and low roughness, which could be used to prepare uniformly ultrathin MOF and COF membranes and corresponding heterogeneous and sandwich‐like membranes.…”

Section: Construction Methods Of Nanochannel‐structured Membranesmentioning

confidence: 99%

“…[41] Copyright 2017, The Author(s) nanochannel-structured membranes (e.g., mixeddimensional nanochannels, ultrathin, and sandwich-like membranes). [47,48,[277][278][279] For instance, taking advantage of the superspreading of liquids on superhydrophilic interfaces, [49][50][51] Jiang et al obtained membranes with controllable thickness and low roughness, which could be used to prepare uniformly ultrathin MOF and COF membranes and corresponding heterogeneous and sandwich-like membranes. In addition, triphase interface-mediated epitaxial growth on superhydrophobic surfaces may be used for designing these membranes efficiently because of the controlled growth rates in the lateral direction.…”

Section: Top-down Approachmentioning

confidence: 99%

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Rational ion transport management mediated through membrane structures

et al. 2021

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Unique membrane structures endow membranes with controlled ion transport properties in both biological and artificial systems, and they have shown broad application prospects from industrial production to biological interfaces. Herein, current advances in nanochannel‐structured membranes for manipulating ion transport are reviewed from the perspective of membrane structures. First, the controllability of ion transport through ion selectivity, ion gating, ion rectification, and ion storage is introduced. Second, nanochannel‐structured membranes are highlighted according to the nanochannel dimensions, including single‐dimensional nanochannels (i.e., 1D, 2D, and 3D) functioning by the controllable geometrical parameters of 1D nanochannels, the adjustable interlayer spacing of 2D nanochannels, and the interconnected ion diffusion pathways of 3D nanochannels, and mixed‐dimensional nanochannels (i.e., 1D/1D, 1D/2D, 1D/3D, 2D/2D, 2D/3D, and 3D/3D) tuned through asymmetric factors (e.g., components, geometric parameters, and interface properties). Then, ultrathin membranes with short ion transport distances and sandwich‐like membranes with more delicate nanochannels and combination structures are reviewed, and stimulus‐responsive nanochannels are discussed. Construction methods for nanochannel‐structured membranes are briefly introduced, and a variety of applications of these membranes are summarized. Finally, future perspectives to developing nanochannel‐structured membranes with unique structures (e.g., combinations of external macro/micro/nanostructures and the internal nanochannel arrangement) for mediating ion transport are presented.

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Section: Construction Methods Of Nanochannel‐structured Membranesmentioning

confidence: 99%

Section: Top-down Approachmentioning

confidence: 99%

Rational ion transport management mediated through membrane structures

et al. 2021

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“…Uniform superspreading TiO 2 /SiO 2 nanoparticles were prepared using the sol–gel method (Figure d) . Honeycomb and bird-nest-like superspreading anodic aluminum oxide (AAO) nanopores were fabricated through the electrochemical anodic oxidation method (Figure e) . Interlaced superspreading nanodomains were endowed onto a silicon wafer through the standard RCA clean process (Figure f) …”

Section: Essential Mechanism Of Superspreadingmentioning

confidence: 99%

Bioinspired Superspreading Surface: From Essential Mechanism to Application

2022

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Metrics & MoreArticle Recommendations CONSPECTUS:The dynamic behavior of liquids on surfaces is ubiquitous in nature and has aroused wide attention from researchers. Among them, the superspreading surface has been extensively investigated and applied in areas ranging from film fabrication to antibiofouling, separation, etc. However, the traditional equilibrium contact angle (CA) at the thermodynamic steady-state cannot completely depict the dynamic spreading process of liquids, because the performance of these surfaces is controlled not only by the final steady superhydrophilicity (CA < 5°) but also by the superspreading speed of liquids with a CA of ∼0°. Moreover, as the most basic prerequisite for superspreading, the long-held intrinsic wetting threshold (IWT) of 90°, which divides hydrophobic and hydrophilic surfaces, is also controversial.In this Account, we summarize and condense the commonalities of our related research, further formally propose the concept of "superspreading", and recommend using "superspreading time (ST)" and "curve of superspreading radius versus spreading time (SRST)" to quantify its performance. Learning from nature is the most effective way to artificially fabricate superspreading surfaces. To begin, we first review some typical superspreading surfaces we found in nature and introduce the strategies adopted by the surfaces for surviving or realizing special functions. Then, we systematically review our recent understanding of the essential mechanism of superspreading surfaces across multiple length scalesfrom the molecular origin of the newly found IWT of ∼65°for water to the macroscopic respective functions of nanostructure and microstructure in superspreading.Armed with the in-depth fundamental mechanism, we propose the designing principle of high-performance superspreading surfaces.Following that, we summarize the commonly utilized methods, including modifying surface composition to give the surface intrinsic hydrophilicity and changing surface structure to improve the superspreading performance. Subsequently, we introduce the recently developed practical applications by virtue of the outstanding property of the superspreading surface, including the fabrication of a self-assembled film on the solid−gas surface and solid−liquid interface, a self-assembled water barrier for antibiofouling and oil repellency, high-efficiency separation and heat dissipation, etc. Finally, we discuss the remaining major challenges and the future development trends in the superspreading field. This Account serves to arouse wide attention and efforts in the superspreading field to strengthen mechanism research and promote practical large-area applications.

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“…Considering the lack of research in the field of liquid-related wet adhesion and the promising prospects in constructing artificial adhesive surfaces, we discuss concepts of bio-inspired wet adhesion control with liquids through combining surface wetting and adhesion in this perspective (Liu et al, 2017;Su et al, 2016;Wang et al, 2019;Zhu et al 2017Zhu et al , 2021. Three main aspects are reviewed-biological wet adhesive surfaces, artificial wet adhesive surfaces, and the supply of adhesive liquids to the contact surfaces of adhesive systems.…”

Section: Introductionmentioning

confidence: 99%