Hybrid Nanoparticles with Block Copolymer Shell Structures

Watson, Keith J.; Zhu, Jin; Nguyen, SonBinh T.; Mirkin, Chad A.

doi:10.1021/ja983173l

Cited by 265 publications

(177 citation statements)

References 20 publications

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“…A variety of non-planar surfaces have been used as supports for polymerization, including gold, [13,16] silica, [15,18,19,21,22,24,84] clay, [85] latex, [14] dextran, [43] polystyrene, [86,87] and magnetite [88] particles, and carbon nanotubes. [10,11,89±92] This list is only a sampling of possible surfaces from which polymerization can be performed, [62] as any surface may be suitable if it can be functionalized with an initiator species.…”

Section: Modification Of Non-planar Surfacesmentioning

confidence: 99%

“…[10,11,89±92] This list is only a sampling of possible surfaces from which polymerization can be performed, [62] as any surface may be suitable if it can be functionalized with an initiator species. Furthermore, many surface-initiated polymerization techniques have been used to accomplish these modifications, including ROP, [16] ROMP, [13,19] free radical, [21,84,85,88,89] ATRP, [10,11,14,18,24,43,62,86,87,91,92] and anionic [90] routes.…”

Section: Modification Of Non-planar Surfacesmentioning

confidence: 99%

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Physicochemical Properties of Surface‐Initiated Polymer Films in the Modification and Processing of Materials

Jennings¹,

Brantley

2004

Advanced Materials

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This article reviews the physicochemical aspects of surface‐initiated polymer films used to modify planar and non‐planar surfaces and to produce micro‐ and nanoscale patterned features. Particular emphasis is placed on the molecular composition of the polymer and its effect on surface and bulk properties of ultrathin films. Recent advances in the use of responsive polymer films that exhibit dramatically altered properties upon changes in solvent, temperature, or ionic strength are reviewed. The uses of surface‐initiated polymer films to modify materials' properties and impact applications in chromatography, nanoparticle‐templated synthesis, and carbon nanotube dispersion are highlighted.

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Section: Modification Of Non-planar Surfacesmentioning

confidence: 99%

Section: Modification Of Non-planar Surfacesmentioning

confidence: 99%

Physicochemical Properties of Surface‐Initiated Polymer Films in the Modification and Processing of Materials

Jennings¹,

Brantley

2004

Advanced Materials

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“…Finally, resulting SAMs patterns were immersed into the aqueous colloidal solution of citrate-stabilized Au nanoparticles in order to attach the nanoparticles onto them. In the sample preparation for Au nanoparticles, an aqueous colloidal solution of citrate-stabilized gold nanoparticles was prepared following the method of Frens [21][22][23]. The structure obtained was imaged with a FE-SEM and the position control of Au nanoparticles was characterized.…”

Section: Methodsmentioning

confidence: 99%

Controlled Array of Gold Nanoparticles by Combination of Nano Imprint and Self-assembly

Yamamoto

Ohnuma

Ohtani

et al. 2016

J. Photopol. Sci. Technol.

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The fundamental limitations associated with top-down lithographic techniques gradually have approached. One of methods to overcome these limitations is the combination technique of top-down nanofabrication such as nano imprint and bottom-up nanofabrication such as self-assembly. Nanoparticles has been expected to use as the building blocks. In order to realize this method, it is desirable to place nanometer sized components such as nanoparticles in exact positions for nano-fabrication with high precision and reproducibility. In particular, gold (Au) nanoparticles, which covalently linked to biomolecules such as DNA, peptides, nucleic acids, proteins, and cell have attracted much attention for biosensing, bioimaging, and plasmonics application, and so on. In this study, we present a simple method of controlled array of Au nanoparticles on a nanopattern by the combination of self-assembly techniques bottom-up nano-fabrication such as self-assembled monolayers and top-down nano-fabrication such as nano imprint. We believe this method will contribute to studies on the observation of single biomolecules such as DNA, peptides, nucleic acids, proteins, plasmonics and so on.

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“…Finally, resulting SAMs patterns were immersed into the aqueous colloidal solution of citrate-stabilized Au nanoparticles in order to attach the nanoparticles onto them. In the sample preparation for Au nanoparticles, an aqueous colloidal solution of citrate-stabilized gold nanoparticles was prepared following the method of Frens [27][28][29]. The structure obtained was imaged with a FE-SEM and the position control of Au nanoparticles was characterized.…”

Section: Methodsmentioning

confidence: 99%

Position Control of Metal Nanoparticles by Self-Assembly

Yamamoto

Ohnuma

Ohtani

et al. 2014

J. Photopol. Sci. Technol.

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Bottom-up self-assembly has the capacity to overcome the limitation of top down nanofabrication. Recently, nanoparticles or molecules are expected to use as the building blocks. By using them it is desirable to place nanometer sized components such as nanopartilces in exact positions for nano-fabrication with high precision and reproducibility. In particular, gold (Au) nanoparticles, which covalently linked to biomolecules such as DNA, peptides, nucleic acids, proteins, and cell have attracted much attention for biosensing application, bioimaging application and so on. In this study, we present a novel and simple method of position control of Au nanoparticles on a nanopattern by self-assembly techniques such as block copolymer phase separation and self-assembled monolayers. Spherical Au nanoparticles were immobilized above the Au nanopatterns with a gap of a few nanometers. We believe this method will contribute to studies on the observation of single biomolecules such as DNA, peptides, nucleic acids, proteins, and so on.

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Hybrid Nanoparticles with Block Copolymer Shell Structures

Cited by 265 publications

References 20 publications

Physicochemical Properties of Surface‐Initiated Polymer Films in the Modification and Processing of Materials

Physicochemical Properties of Surface‐Initiated Polymer Films in the Modification and Processing of Materials

Controlled Array of Gold Nanoparticles by Combination of Nano Imprint and Self-assembly

Position Control of Metal Nanoparticles by Self-Assembly

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