Journal ArticleDOI
Features of gold having micrometer to centimeter dimensions can be formed through a combination of stamping with an elastomeric stamp and an alkanethiol ‘‘ink’’ followed by chemical etching
Amit Kumar,George M. Whitesides +1 more
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TLDR
In this paper, a technique for patterning a self-assembled monolayer (SAM) on a gold substrate using an elastomer stamp was described, followed by selective etching in an aqueous, basic solution of cyanide ion and dissolved dioxygen (1M KOH, 0.1 M KCN).Abstract:
This letter describes a technique that can be used to produce well‐defined features of gold. The technique involves patterning of a self‐assembled monolayer (SAM) on a gold substrate using an elastomer stamp (fabricated either from a phenol‐formaldehyde polymer or polydimethylsiloxane), followed by selective etching in an aqueous, basic solution of cyanide ion and dissolved dioxygen (1M KOH, 0.1 M KCN). Electrically conductive structures of gold with dimensions as small as 1 μm have been produced using this procedure. Once a rubber stamp is fabricated, patterning and etching of gold substrates is straightforward. This method is convenient, does not require routine access to clean rooms and photolithographic equipment, and can be used to produce multiple copies of a pattern.read more
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Quantum Dots as Reporters in Multiplexed Immunoassays for Biomarkers of Exposure to Agrochemicals
Mikaela Nichkova,Dosi Dosev,Alexander E. Davies,Shirley J. Gee,Ian M. Kennedy,Bruce D. Hammock +5 more
TL;DR: The application of QD fluorophores facilitates multiplex assays and therefore can contribute to enhanced throughput in biomonitoring.
Journal ArticleDOI
Gold nanocones fabricated by nanotransfer printing and their application for field emission.
TL;DR: Step-and-repeat printing with gold nanocone patterns occupying an area of 9 mm × 8 mm is demonstrated, which enables large-area fabrication in nanotransfer printing.
Journal ArticleDOI
Bishydrazide Glycoconjugates for Lectin Recognition and Capture of Bacterial Pathogens
Avijit K. Adak,Alexei P. Leonov,Ning Ding,Jyothi Thundimadathil,Sumith A. Kularatne,Philip S. Low,Alexander Wei +6 more
TL;DR: The immobilized glycans serve as recognition elements for cell-surface lectins and enable the detection and capture of bacterial pathogens such as Pseudomonas aeruginosa by their adsorption onto micropatterned substrates.
Journal ArticleDOI
Surface‐Directed Phase Separation of Conjugated Polymer Blends for Efficient Light‐Emitting Diodes
TL;DR: In this paper, the phase separation in conjugated polymer blends is controlled by microcontact printing of octenyltrichlorosilane molecules, which results in high electroluminescence efficiency.
Journal ArticleDOI
A re-evaluation of transparent conductor requirements for thin-film solar cells
TL;DR: In this article, the authors show that the need for sheet resistances less than 10 Ω sq−1 arises only when the addition of a metal grid is unfeasible, and for cells of a particular size.
References
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Book
Advanced Inorganic Chemistry
TL;DR: Cotton and Wilkinson's Advanced Inorganic Chemistry (AIC) as discussed by the authors is one of the most widely used inorganic chemistry books and has been used for more than a quarter century.
Journal ArticleDOI
The use of self-assembled monolayers and a selective etch to generate patterned gold features
TL;DR: Using a number of techniques, such as micromachining, microwriting, electron-beam lithography, ion-beam, and ion beam, it is possible to form patterns of SAMs on the Au surface.