Electrowetting‐Induced Morphological Evolution of Metal‐Organic Inverse Opals toward a Water‐Lithography Approach

Liu, Junchao; Wan, Lun; Zhang, Manbo; Jiang, Ke‐Jian; Song, Kai; Wang, Jingxia; Ikeda, Tomiki; Jiang, Lei

doi:10.1002/adfm.201605221

Cited by 34 publications

(33 citation statements)

References 62 publications

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“…On the other hand, the SAED patterns of both catalysts are also quite similar, which also proves the successful synthesis of FeS 2 in both of them. Based on the HRTEM and SAED results, the well‐ordered and assembled structure can be attributed to the intrinsic crystal characteristics of the coordination interaction …”

Section: Resultsmentioning

confidence: 99%

Investigation on the Catalytic Performance of Reduced‐Graphene‐Oxide‐Interpolated FeS₂ and FeS for Oxygen Reduction Reaction

et al. 2018

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The oxygen reduction reaction (ORR) plays a key role in many kinds of energy conversion and energy storage devices, especially in fuel cells. Developing low‐cost, easily prepared, and high‐efficiency catalysts is a crucial factor for the large‐scale applications of fuel cells. Herein, we report the reduced graphene oxide (rGO) interpolated FeS2 and FeS as low cost and high performance electrocatalyst for ORR in the alkaline electrolyte. Cyclic voltammetry tests indicate that the onset potential of the ORR for FeS2@rGO is −0.142 V, which is close to the state‐of‐the‐art commercial Pt/C (‐0.114 V) catalyst. A low Tafel slope of ∼ 98 mV/decade and high durability are also observed for the FeS2@rGO composite for ORR. The reaction kinetics study shows that the rGO‐interpolated FeS2 catalyzed ORR major happen through 4‐electron pathway, but the rGO‐interpolated FeS catalyzed ORR major happen through mixed 2‐electron and 4‐electron pathway. The S−S bond of FeS2 play the major role for the happening of ORR through 4‐electron pathway.

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Section: Resultsmentioning

confidence: 99%

Investigation on the Catalytic Performance of Reduced‐Graphene‐Oxide‐Interpolated FeS₂ and FeS for Oxygen Reduction Reaction

et al. 2018

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“…Specifically, during the dissolution process, a coordination formed between metal ions (Pb 2+ ) and the COOH of the template. After applying a voltage biased during an electrowetting process, remarkable alterations of properties including the morphology, reflectance spectrum, and wettability are observed for the samples as presented in Figure A …”

Section: Tailoring Ordered Photonic Micro/nanostructurementioning

confidence: 99%

Section: Tailoring Ordered Photonic Micro/nanostructurementioning

confidence: 99%

Ordered Hybrid Micro/Nanostructures and Their Optical Applications

Zhang

Yang

2019

Advanced Optical Materials

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known that the optical properties related refractive index is an important parameter for ordered micro/nanostructures. Commonly, organic substances own lower refraction. Aiming at improving which, researchers introduce highly polarizable heteroatoms or rigid aromatic moieties. However, the maximum of refractive index is limited to 1.54-1.60, [3] which is far from the requirements of rapidly developing technologies. [4] Incorporation of inorganic materials with relative higher refractive index (TiO 2 , ZnO, ZnS, graphene nanoparticles, and Si) into an organic matrix is capable of enlarging the optical parameters to a great extent, generally up to a value of 2.5-3.0, [5] which offers more chances for the fabrication of novel ordered micro/nanostructures. Photonic crystals (PCs), for example, regularly arrange materials of high and low dielectric constants on the order of the wavelength of light. The photonic bandgap (PBG) prohibiting the propagation of light results from the sufficient dielectric contrast and appropriate geometry. The structural color therefore generates. Manipulating the propagation of light via micro/nanostructures meets the requirements for modern optical devices. [6] As a result, more efforts have been applied to devices consisting of micro/nanostructures of multiple materials, such as synthetic materials and biomaterials. [7] Besides optical properties, the strength and toughness of ordered micro/nanostructures are also improved based on the hybrid material. Meanwhile, the electric and magnetic features of inorganic dopants can also exactly assist the adjustability. Therefore, the hybrid can significantly improve performance compared with its constituent.This review emphasizes on applications sought (sensing, imaging, communication, photoelectricity, etc.), the materials used (silicon, metals, polymers, etc.), and the preparation methods employed (patterning, etching, deposition, etc.). We present an attempt to classify and compare some intensively reported micro/nanostructures of hybrid materials and/or heterogeneous structures, along with recent important developments in literatures. It is organized as follows: First, we summarize some fundamental physical principles and concepts in brief. Second, we particularly highlight artificial and natural laminar structures, represented by Bragg stacks (BSs) and butterfly wings, which have drawn much attention in the latest literatures. Next, the focus shifts to the preparation routes and materials adoption of colloidal crystals and their derived periodic arrays. A few examples of highly functional materials Recent advances in manufacturing and technology of ordered hybrid micro/ nanostructures have acquired many breakthroughs. With the aid of the cooperation of various materials, the ordered hybrid micro/nanostructures exhibit high-quality performance and mechanical stability and allow the modulation on the light-matter interaction in a controllable manner, thereby enabling a wide variety of innovative applications. This article reviews recent deve...

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“…The sensitive valves are widely applicable to various aqueous solutions and thus can be integrated into paper‐based microfluidics to prepare circuits that can achieve cross‐surface liquid transportation when timed multistep reactions are required. Wang and co‐workers reported a sensitive process involving electrowetting‐triggered KCl drop penetration into a porous metal‐organic inverse opal (Pb(NO 3 ) 2 ‐poly(St‐MMA‐AA)) substrate . Upon application of a voltage, the static WCA of the KCl solution droplet decreases dramatically.…”

Section: Manipulation Of Liquid Motionmentioning

confidence: 99%

Stimuli‐Responsive Bioinspired Materials for Controllable Liquid Manipulation: Principles, Fabrication, and Applications

Wang

Xin

2017

Adv Funct Materials

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Many emerging interfacial technologies, such as self-cleaning surfaces, oil/ water separation, water collection, and microfluidics, are essentially liquid manipulation processes. In this regard, micro-nanostructures of the living organisms are highly preferable, by virtue of the evolutionary pressure and the adaptation to the specific environments, to inspire the optimization of man-made interfaces. With the increasing demands of modern life, research, and industry, intelligent materials with stimuli-responsive liquid manipulation functions have gained substantial attention from interfacial scientists. This review introduces the recent progress in the development of stimuli-responsive liquid-manipulating materials with bioinspired structures and surface chemistry according to two classified manipulation modes: (i) smart manipulation of liquid wetting behaviors, including lyophobic/lyophilic and superlyophobic/superlyophilic, and (ii) smart manipulation of liquid motion behaviors, including coalescence, transportation, rolling/adhesion, and sliding/pinning.At the beginning of the presentation of each classification, the theoretical basis and the sources of inspiration are introduced comprehensively to ensure a better understanding. This review mainly focuses on the mechanisms, fabrication, and applications of the state-of-the-art works related to smart and biomimetic liquid-manipulating materials. Finally, conclusions and future prospects are provided, and the remaining problems and promising breakthroughs in fabricating large-scale, cost-effective, and efficient smart liquid-manipulating materials are outlined.

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Electrowetting‐Induced Morphological Evolution of Metal‐Organic Inverse Opals toward a Water‐Lithography Approach

Cited by 34 publications

References 62 publications

Investigation on the Catalytic Performance of Reduced‐Graphene‐Oxide‐Interpolated FeS₂ and FeS for Oxygen Reduction Reaction

Investigation on the Catalytic Performance of Reduced‐Graphene‐Oxide‐Interpolated FeS₂ and FeS for Oxygen Reduction Reaction

Ordered Hybrid Micro/Nanostructures and Their Optical Applications

Stimuli‐Responsive Bioinspired Materials for Controllable Liquid Manipulation: Principles, Fabrication, and Applications

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Electrowetting‐Induced Morphological Evolution of Metal‐Organic Inverse Opals toward a Water‐Lithography Approach

Cited by 34 publications

References 62 publications

Investigation on the Catalytic Performance of Reduced‐Graphene‐Oxide‐Interpolated FeS2 and FeS for Oxygen Reduction Reaction

Investigation on the Catalytic Performance of Reduced‐Graphene‐Oxide‐Interpolated FeS2 and FeS for Oxygen Reduction Reaction

Ordered Hybrid Micro/Nanostructures and Their Optical Applications

Stimuli‐Responsive Bioinspired Materials for Controllable Liquid Manipulation: Principles, Fabrication, and Applications

Contact Info

Product

Resources

About

Investigation on the Catalytic Performance of Reduced‐Graphene‐Oxide‐Interpolated FeS₂ and FeS for Oxygen Reduction Reaction

Investigation on the Catalytic Performance of Reduced‐Graphene‐Oxide‐Interpolated FeS₂ and FeS for Oxygen Reduction Reaction