Preparation of arrays of metallic nanoparticles exhibiting coulomb blockade at room temperature: an approach based on the self‐organization of metal‐loaded diblock‐copolymers

Dietrich, Christof P.; Koslowski, B.; Weigl, F.; Ziemann, P.

doi:10.1002/sia.2335

Cited by 2 publications

(3 citation statements)

References 12 publications

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“…Macromolecular self-assembly has the potential to address the ever-growing demand for arranging nanostructures that serve as building blocks for sensor, photonic, and nanobiodevices. − For example, block copolymers films and bulk samples have been used to spatially organize nanoparticles (NP). − To fully utilize their advantageous magnetic, electronic, , catalytic, and optical , properties, NP must be patterned and accessed over large areas with nanoscale precision and selectivity. Recently, an electrodynamic focusing method was able to direct and assemble silver NP on a prepatterned substrate with high resolution .…”

Section: Introductionmentioning

confidence: 99%

“…[1][2][3][4] For example, block copolymers films and bulk samples have been used to spatially organize nanoparticles (NP). [5][6][7][8][9][10][11][12][13][14] To fully utilize their advantageous magnetic, 15 electronic, 5,16 catalytic, 17 and optical 18,19 properties, NP must be patterned and accessed over large areas with nanoscale precision and selectivity. Recently, an electrodynamic focusing method was able to direct and assemble silver NP on a prepatterned substrate with high resolution.…”

Section: Introductionmentioning

confidence: 99%

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Nanoscale Block Copolymer Templates Decorated by Nanoparticle Arrays

et al. 2007

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We present a novel one-step assembly process that encompasses in-situ formation of silver nanoparticles (NP), directed assembly of block copolymers into a perpendicular lamellar morphology, and NP organization into patterned arrays. This process utilizes organometallic precursors that thermally decompose and form spatially organized NP arrays on the free surface of the block copolymer. As NP concentration increases, the conversion of perpendicular to parallel lamellar morphology at the free surface slows down. A cell dynamical system (CDS) simulation captures the dynamics of this reorganization. The final structure is attractive for producing nanodevices because the surface is decorated by NP that are arranged in parallel arrays with tunable NP separation.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Nanoscale Block Copolymer Templates Decorated by Nanoparticle Arrays

et al. 2007

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“…This method, which is able to generate pure metal and alloy particles with sizes between 1 and 15 nm, has been applied to various areas in fundamental research, e.g., to magnetism of nanoparticles, − to catalytic reactions, − and even to a concept of fabricating densely packed arrays of diamond field emitters via lithographic techniques. Although this technique has been investigated and applied for several years by different groups, ,,,− basic questions on the mechanism of the deposition process are still open. Although in a simple model the adsorbed micelles are assumed to be in direct contact, a number of experimental results indicate that also experimental parameters such as emersion velocity or temperature play a role (see also ref ).…”

Section: Introductionmentioning

confidence: 99%

Controlling the Interparticle Spacing of Au−Salt Loaded Micelles and Au Nanoparticles on Flat Surfaces

et al. 2007

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The self-organization of diblock copolymers into micellar structures in an appropriate solvent allows the deposition of well ordered arrays of pure metal and alloy nanoparticles on flat surfaces with narrow distributions in particle size and interparticle spacing. Here we investigated the influence of the materials (substrate and polymer) and deposition parameters (temperature and emersion velocity) on the deposition of metal salt loaded micelles by dip-coating from solution and on the order and inter-particle spacing of the micellar deposits and thus of the metal nanoparticle arrays resulting after plasma removal of the polymer shell. For identical substrate and polymer, variation of the process parameters temperature and emersion velocity enables the controlled modification of the interparticle distance within a certain length regime. Moreover, also the degree of hexagonal order of the final array depends sensitively on these parameters.

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Preparation of arrays of metallic nanoparticles exhibiting coulomb blockade at room temperature: an approach based on the self‐organization of metal‐loaded diblock‐copolymers

Cited by 2 publications

References 12 publications

Nanoscale Block Copolymer Templates Decorated by Nanoparticle Arrays

Nanoscale Block Copolymer Templates Decorated by Nanoparticle Arrays

Controlling the Interparticle Spacing of Au−Salt Loaded Micelles and Au Nanoparticles on Flat Surfaces

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