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Search results for plasmonic

Nanomaterials Apr 23, 2021

Chemists show ions' staged release from gold-silver nanoparticles could be useful property

There's gold in them thar nanoparticles, and there used to be a lot of silver, too. But much of the silver has leached away, and researchers want to know how.

Bio & Medicine Apr 15, 2021

Respiratory viral pathogens like SARS-CoV-2 easy to test on-site with new nanofilm

Researchers in South Korea have developed a plasmonic isothermal recombinase polymerase amplification (RPA) array chip. This first plasmoinc isothermal PCR technology can detect eight types of pathogens (four bacteria and ...

Nanomaterials Apr 8, 2021

Energy transmission by gold nanoparticles coupled to DNA structures

Using DNA structures as scaffolds, Tim Liedl, a scientist of Ludwig-Maximilians-Universitaet (LMU) in Munich, has shown that precisely positioned gold nanoparticles can serve as efficient energy transmitters. 

Nanophysics Mar 31, 2021

Curved plasmonic fluxes reveal new way to practical light manipulation within nanoscal

Scientists from Tomsk Polytechnic University jointly with Russian colleagues and researchers from Technical University of Denmark the first time have experimentally proved the existence of a two-dimensional (2D) curved flux ...

Nanomaterials Mar 26, 2021

Plasmon-coupled gold nanoparticles useful for thermal history sensing

Researchers have demonstrated that stretching shape-memory polymers embedded with clusters of gold nanoparticles alters their plasmon-coupling, giving rise to desirable optical properties. One potential application for the ...

Materials Science Mar 24, 2021

Understanding the structural and chemical heterogeneities of surface species at the single-bond limit

Advances in tip-based microscopy in materials science have allowed imaging at angstrom-scale resolution, although the technique does not provide clear characterization of the structural and chemical heterogeneities of surface ...

Nanophysics Mar 22, 2021

Plasmonic nanoreactors regulate selective oxidation via energetic electrons and nanoconfined thermal fields

When optimizing catalysis in the lab, product selectivity and conversion efficiency are primary goals for materials scientists. Efficiency and selectivity are often mutually antagonistic, where high selectivity is accompanied ...

Nanophysics Mar 19, 2021

Plasmonic tweezers: For nanoscale optical trapping and beyond

Optical tweezers and associated manipulation tools in the far field have had a major impact on scientific and engineering research by offering precise manipulation of small objects. More recently, near-field manipulation ...

Nanomaterials Mar 18, 2021

Researchers demonstrate practical metal nanostructures

Researchers at the University of Ottawa have debunked the decade-old myth of metals being useless in photonics—the science and technology of light—with their findings, recently published in Nature Communications, expected ...

Nanophysics Mar 18, 2021

Teamwork makes light shine ever brighter

If you're looking for one technique to maximize photon output from plasmons, stop. It takes two to wrangle.

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