Fabrication of densely packed multi-walled carbon nanotube ultrathin films using a liquid–liquid interface

Matsui, Jun; Yamamoto, Kohei; Inokuma, Nobuhiro; Orikasa, Hironori; Kyotani, Takashi; Miyashita, Tokujı

doi:10.1039/b706695c

Cited by 47 publications

(40 citation statements)

References 27 publications

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“…Terpyridine can form stable complex with iron(II) ions. Furthermore, highly ordered monolayer graphene nanosheet films, [72] thin films of single-walled carbon nanotubes, [73][74][75][76][77] and oriented films of layered rare-earth hydroxide crystallites [78] have also been successfully fabricated at water-oil interfaces.…”

Section: Thin Films At Liquid-liquid Interfacesmentioning

confidence: 97%

Synthesis of Nano/Microstructures at Fluid Interfaces

et al. 2010

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The generation of novel multifunctional materials with hierarchical ordering is a major focus of current materials science and engineering. For such endeavors, fluid interfaces, such as air-liquid and liquid-liquid interfaces, offer ideal platforms where nanoparticles or colloidal particles can accumulate and self-assemble. Different assembly processes and reactions have been performed at fluid interfaces to generate hierarchical structures, including two-dimensional crystalline films, colloidosomes, raspberry-like core-shell structures, and Janus particles, which lead to broad applications in drug delivery and controlled release, nanoelectronics, sensors, food supplements, and cosmetics.

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Section: Thin Films At Liquid-liquid Interfacesmentioning

confidence: 97%

Synthesis of Nano/Microstructures at Fluid Interfaces

et al. 2010

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“…Most recently, a novel oil/water interface self-assembly has been reported as an effective strategy for the assembly of various nanostructures such as nanoparticles, [ 12 ] nanotubes, [ 13 ] and platelet crystallites. [ 14 ] The nanostructures can be trapped at an oil/water interface to form a densely packed fi lm on the macroscopic scale due to the decrease of interfacial energy.…”

Section: Doi: 101002/adma201004109mentioning

confidence: 99%

High‐Performance NiCo₂O₄ Nanofilm Photodetectors Fabricated by an Interfacial Self‐Assembly Strategy

et al. 2011

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“…[7] The Langmuir-Blodgett (LB) technique has been reported to be a powerful tool for the alignment of pre-prepared 1D inorganic nanostructures at the air/water interface by applying an external compression force at the interface.…”

mentioning

confidence: 99%

Facile One‐Step Fabrication of Ordered Organic Nanowire Films

Zhang

et al. 2009

Advanced Materials

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Organic 1D nanomaterials based on low-molecular-weight semiconducting compounds possess unique properties that can complement or rival those of carbon nanotubes and inorganic 1D nanostructures for applications in nanoscaled optoelectronic devices.[1] For low-cost applications of 1D nanomaterials, it is necessary to develop suitable assembling processes for forming films of nanostructures with good packing order.[2] Attempts to fabricate aligned organic 1D nanostructures by template-assisted synthesis and field-assisted assembly have been reported. [3,4] However, the template-assisted method requires additional steps to remove the templates, whereas the field-assisted assembly method requires an additional process involving an external electric or magnetic field. Recently, evaporation-induced selfassembly has been demonstrated to be a facile way for preparing aligned organic nanowires on a solid substrate.[5] However, an inherent problem of self-assembly is that solid surfaces are often rough at the nanoscale, thereby leading to uneven distribution of the nanostructures and difficulty in achieving uniform films. To cope with this problem, attempts have been made to assemble nanowire monolayer films on a smooth surface and subsequently transfer them to desired solid substrates.Liquid/liquid interfaces have been shown to offer an important platform for the organization of micrometer-or nanometer-sized objects based on interfacial-ordering effects, such as self-assembly of colloid particles, nanoparticles, and viruses.[6] However, there are few reports on the self-assembly of 1D nanostructures at the liquid/liquid interface. [7] The Langmuir-Blodgett (LB) technique has been reported to be a powerful tool for the alignment of pre-prepared 1D inorganic nanostructures at the air/water interface by applying an external compression force at the interface.[8] Herein, we report a simple one-step process for forming and assembling single-crystal organic nanowires into aligned films at the dichloromethane (DCM)/water (liquid/liquid) interface. During evaporation of DCM (organic solvent), organic nanowires are first formed and then self-assembled into ordered films driven by the compression force arising from the shrinking liquid/liquid interface. Upon complete solvent evaporation, a compact monolayer of wellaligned nanowires is left on the water surface. These films can be transferred directly onto any desired substrate or stacked layer-by-layer to form a multilayer film for device applications. Using this simple and low-cost approach, we have prepared a film of squaraine nanowires and fabricated it into a photodetector that shows excellent photoresponse and stability. The result demonstrates that the present method is potentially a versatile and scalable approach to fabricating devices from organic nanostructures.We used squaraines as an example because they are an important class of organic dyes for photonic applications, such as imaging, nonlinear optics, photovoltaics, biological labeling, and photodynamic therapy.[9] ...

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Fabrication of densely packed multi-walled carbon nanotube ultrathin films using a liquid–liquid interface

Cited by 47 publications

References 27 publications

Synthesis of Nano/Microstructures at Fluid Interfaces

Synthesis of Nano/Microstructures at Fluid Interfaces

High‐Performance NiCo₂O₄ Nanofilm Photodetectors Fabricated by an Interfacial Self‐Assembly Strategy

Facile One‐Step Fabrication of Ordered Organic Nanowire Films

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Fabrication of densely packed multi-walled carbon nanotube ultrathin films using a liquid–liquid interface

Cited by 47 publications

References 27 publications

Synthesis of Nano/Microstructures at Fluid Interfaces

Synthesis of Nano/Microstructures at Fluid Interfaces

High‐Performance NiCo2O4 Nanofilm Photodetectors Fabricated by an Interfacial Self‐Assembly Strategy

Facile One‐Step Fabrication of Ordered Organic Nanowire Films

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High‐Performance NiCo₂O₄ Nanofilm Photodetectors Fabricated by an Interfacial Self‐Assembly Strategy