Fabrication of Gold Micro- and Nanostructures by Photolithographic Exposure of Thiol-Stabilized Gold Nanoparticles

Sun, Shuqing; Mendes, Paula M.; Critchley, Kevin; Diegoli, Sara; Hanwell, Marcus D.; Evans, Stephen D.; Leggett, Graham J.; Preece, Jon A.; Richardson, T.

doi:10.1021/nl052130h

Cited by 82 publications

(54 citation statements)

References 35 publications

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“…These may be formed into bilayers on silicon surfaces using Langmuir-Schaeffer techniques [87]. It has been found that selective exposure of the nanoparticles to UV light causes them to fuse together [88]. In a very simple second step, the sample may merely be rinsed with toluene; the unexposed nanoparticles are washed away, leaving intact structures behind.…”

Section: Uv Rch 3 Rcoohmentioning

confidence: 99%

Bionanofabrication by Near-Field Optical Methods

Leggett

2007

Nanobiotechnol

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Near-field optical methods offer unique potential in nanofabrication, because they provide the capacity to initiate highly selective chemical transformations with nanometer scale precision. The basic principles behind scanning near-field photolithography (SNP), in which a scanning near-field optical microscope coupled to a UV laser is used to initiate surface chemical reactions, are described. The fundamental principles underlying the patterning of self-assembled monolayers by SNP are described, and the resolution limits and the basic principles that enable routine achievement of sub-50 nm resolution are discussed. Illustrations are provided of the application of SNP to the patterning of protein molecules on gold surfaces. The patterning of molecular adsorbates on oxide surfaces, including the fabrication of highly miniaturized arrays of DNA on silicon dioxide, is also described. It is argued that SNP holds great promise for the organization of biomolecules on nanometer length scales.

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Section: Uv Rch 3 Rcoohmentioning

confidence: 99%

Bionanofabrication by Near-Field Optical Methods

Leggett

2007

Nanobiotechnol

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“…One method to create these patterns is by exposure of thiol-stabilised gold NPs supported on silicon wafers to UV light leading to oxidation of the thiol and coagulation of the NPs [20], or photo-crosslinking of C60 derivatives [21], forming dense structures that are resistant to removal by organic solvents. Methods exist to further derivatise gold surfaces, such as those formed, with oligonucleotide sequences [11,22,23].…”

Section: Introductionmentioning

confidence: 99%

Fabrication of patterned surfaces by photolithographic exposure of DNA hairpins carrying a novel photolabile group

Manning

Leigh

Ramos

et al. 2010

Journal of Experimental Nanoscience

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This article demonstrates a method for the fabrication of patterned surfaces using hairpin oligonucleotides carrying a novel photolabile group at the apex of the loop. Photolysis of surfaces carrying photolabile hairpin oligonucleotides results in the formation of areas carrying single-stranded DNA sequences that direct the deposition of the complementary sequence at the photolysed sites. The nonphotolysed areas carrying the intact hairpin do not bind to complementary sequences due to the presence of the more stable intramolecular hairpin duplex. The photolithographic process was performed on silicon wafers and followed by atomic force microscopy and epi-fluorescent microscopy. The method described offers an attractive option for the fabrication of biologically interfaced patterned surfaces with specific recognition properties with potential uses in electronics and as biosensors.

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“…[1][2][3][4][5][6] For the catalysis, the oxidation on the materials by light generates electron-transfer processes that may be used for the degradation of the organic pollutants. 7 Activity and selectivity of such materials and catalysts is correlated with the distribution.…”

Section: Introductionmentioning

confidence: 99%

Effect of 11-Mercaptoundecylphosphoric-acid Layer Formation on Gold Surfaces Interacting with Titanium Dioxide Surfaces

Park¹

2010

Bulletin of the Korean Chemical Society

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We studied effects of the 11-Mercaptoundecylphosphoric-acid layer formation on gold surfaces that have the interactions with the titanium dioxide surface for design of gold-titanium dioxide distribution. The atomic force microscope (AFM) was used to measure forces between the surfaces as a function of the salt concentration and pH value. The forces were analyzed with the DLVO (Derjaguin-Landau-Verwey-Overbeek) theory, to evaluate the potential and charge density of the surfaces quantitatively for each salt concentration and each pH value. The interpretation for the evaluation was performed with the law of mass action and the ionizable groups on the surface.

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Fabrication of Gold Micro- and Nanostructures by Photolithographic Exposure of Thiol-Stabilized Gold Nanoparticles

Cited by 82 publications

References 35 publications

Bionanofabrication by Near-Field Optical Methods

Bionanofabrication by Near-Field Optical Methods

Fabrication of patterned surfaces by photolithographic exposure of DNA hairpins carrying a novel photolabile group

Effect of 11-Mercaptoundecylphosphoric-acid Layer Formation on Gold Surfaces Interacting with Titanium Dioxide Surfaces

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