Joining the Un‐Joinable: Adhesion Between Low Surface Energy Polymers Using Tetrapodal ZnO Linkers

Jin, Xigao; Strueben, Jan; Heepe, Lars; Kovalev, Alexander; Mishra, Yogendra Kumar; Adelung, Rainer; Gorb, Stanislav N.; Staubitz, Anne

doi:10.1002/adma.201201780

Cited by 94 publications

(83 citation statements)

References 27 publications

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“…A ZnO tetrapod consists of a ZnO core from which four arms extend to the surrounding space at the same extent, which endows them with the ability to assemble a good network with desired the porosity and mechanical strength by connecting arms with each other. This material is often used as a reinforcing material in composite materials [8,9], and it has already proved to have promising applications in biomedical engineering and advanced linking technologies [10,11]. The electron mobility is ~17 cm for single-crystal ZnO nanowires, and it is similar in ZnO tetrapods [12].…”

Section: Introductionmentioning

confidence: 99%

ZnO Tetrapods: Synthesis and Applications in Solar Cells

Yan

Uddin

Wang

2015

Nanomaterials and Nanotechnology

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Zinc oxide (ZnO) tetrapods have received much interest due to their unique morphology, that is, four arms connected to one centre. Tetrapod networks possess the excellent electronic properties of the ZnO semiconductor, which is attractive for photoelectrode materials in energyconversion devices because of their advantages in electron extraction and transportation. In this review, we have discussed recent advancements in the field of ZnO tetrapod synthesis, including vapour transport synthesis and the wet chemical method, together with their advantages and disadvantages in terms of morphology control and yield regulation. The developments and improvements in the applications of ZnO nanotetrapods in photovoltaics, including dye-sensitized solar cells and polymer solar cells, are also described. Our aim is to give readers a comprehensive and critical overview of this unique morphology of ZnO, including synthesis control and growth mechanism, and to understand the role of this particular morphology in the development of solar cells. The future research directions in ZnO tetrapods-based solar cell are also discussed.

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Section: Introductionmentioning

confidence: 99%

ZnO Tetrapods: Synthesis and Applications in Solar Cells

Yan

Uddin

Wang

2015

Nanomaterials and Nanotechnology

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“…Chemical treatments are difficult and involve hazardous chemicals with PTFE, which is highly chemically inert. The new method achieved a peeling strength of 220 N/m by an easy applicable approach, without modification of the chemical composition of each polymer layers 64) . Fig.…”

Section: Zno Nano-micro Tetrapods For Advanced Linking Technologymentioning

confidence: 99%

“…This method employs the convex shape of tetrapodal microparticles which works as an anchor to mechanically interlock two polymer layers together. Its efficiency was demonstrated by joining two extremely difficult-to-join polymer layers, namely the poly(tetrafluorethylene) (PTFE) and cross-linked poly(dimethylsiloxane) (PDMS) 64) . Both polymers have very low surface energies and it was difficult to find a single report describing that both polymers can be strongly joined by any technique.…”

Section: Zno Nano-micro Tetrapods For Advanced Linking Technologymentioning

confidence: 99%

“…The ZnO tetrapods have shown promising applications, as antiviral agents 60,61) , in advanced linking ]. technology 64) and designing self-reporting composites 65) . Since growth of desired 3D networks was the strong motivation for our research, the harvested ZnO tetrapods from second variant of FTS were further processed to synthesize different interconnected networks 59) .…”

Section: (B-d) (From Left To Right)mentioning

confidence: 99%

“…ZnO nanoseaurchin and tetrapod type structures grown by FTS approach exhibit strong potential of blocking the viral (herpes simplex virus type-1 and type-2) entry into the cells 60,61) . The submicron size tetrapods can be utilized for advanced linking technologies 64) and designing multifunctional composites, e.g., new concept of self-reporting material 65) . In this context, FTS approach offers a simple way to fabricate large size 3D networks from interconnected metal oxide nano-microstructures with desired porosity and mechanical strength.…”

Section: Introductionmentioning

confidence: 99%

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Versatile Fabrication of Complex Shaped Metal Oxide Nano-Microstructures and Their Interconnected Networks for Multifunctional Applications

Mishra¹,

Kaps²,

Schuchardt³

et al. 2014

KONA

Self Cite

120

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Metal oxide nano-microstructures are applied in photocatalytic surfaces, sensors or biomedical engineering, proving the versatile utilization of nanotechnology. However, more complex or interconnected nano-microstructures are still seldomly met in practical applications, although they are of higher interest, due to enhanced structural, electronic and piezoelectric properties, as well as several complex biomedical effects, like antiviral characteristics. Here we attempt to present an overview of the novel, facile and cost-efficient flame transport synthesis (FTS) which allows controlled growth of different nano-microstructures and their interconnected networks in a scalable process. Various morphologies of nano-microstructures synthesized by FTS and its variants are demonstrated. These nano-microstructures have shown potential applications in different fields and the most relevant are reviewed here. Fabrication, growth mechanisms and properties of such large and highly porous three-dimensional (3D) interconnected networks of metal oxides (ZnO, SnO 2 , Fe 2 O 3 ) nano-microstructures including carbon based aerographite material using FTS approaches are discussed along with their potential applications.

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Influence of the Polymer Interphase Structure on the Interaction between Metal and Semicrystalline Thermoplastics

et al. 2020

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It is demonstrated that a lamellar crystalline structure may form near the metal–polymer interface during the comolding of metal–thermoplastic joints. The influence of the crystalline morphology near the interface on the rupture behavior of the joint is studied experimentally. High‐resolution scanning electron microscopy (HR–SEM), atomic force microscopy (AFM), and optical microscopy are used to characterize the microstructure of the metal–thermoplastic interface. The results show that a lamellar crystalline structure at the interface promotes cohesive failure, i.e., the crack runs in the polymer. Additional experiments show that a transcrystalline polymer structure at the interface results in failure at the interface. Herein, two methodologies have been developed to characterize the formation of the transcrystalline polymer interphase structure based on X‐ray diffraction and polarized light hot stage microscopy. The results show the importance of the polymer interphase structure for metal–thermoplastic interactions. Understanding of the formation of the polymer interphase and its influence on the interfacial bonding strength are vital for thermoplastic applications such as fiber‐reinforced thermoplastic composites, tool surface design for processing of thermoplastics, and their composites as well as for metal–polymer hybrid joints.

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Joining the Un‐Joinable: Adhesion Between Low Surface Energy Polymers Using Tetrapodal ZnO Linkers

Cited by 94 publications

References 27 publications

ZnO Tetrapods: Synthesis and Applications in Solar Cells

ZnO Tetrapods: Synthesis and Applications in Solar Cells

Versatile Fabrication of Complex Shaped Metal Oxide Nano-Microstructures and Their Interconnected Networks for Multifunctional Applications

Influence of the Polymer Interphase Structure on the Interaction between Metal and Semicrystalline Thermoplastics

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