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Search results for plasmonic

Nanophysics Nov 7, 2024

Âé¶¹ÒùÔºicists reveal how layers and twists impact graphene's optical conductivity

When it comes to electrically conductive nanomaterials, graphene—stronger and lighter than steel and more conductive than copper—has been shown to be an excellent choice for a wide range of technologies.

Nanophysics Oct 18, 2024

Fast-responding colorimetric sensor for real-time monitoring has expanded color gamut

Colorimetric sensors detect environmental changes by intuitively shifting colors, easily visible to the naked eye without the need for additional equipment. Furthermore, they operate with zero power consumption. By shifting ...

Analytical Chemistry Oct 17, 2024

Visible light energy yields two-for-one deal when added to carbon dioxide recycling process

By combining visible light and electrochemistry, researchers have enhanced the conversion of carbon dioxide into valuable products and stumbled upon a surprising discovery. The team found that visible light significantly ...

Optics & Photonics Oct 16, 2024

Researchers reveal quantum advantage that could advance future sensing devices

Researchers from the Department of Energy's Oak Ridge National Laboratory have taken a major step forward in using quantum mechanics to enhance sensing devices, a new advancement that could be used in a wide range of areas, ...

Nanophysics Oct 8, 2024

Reducing energy loss in metal nanostructures by altering geometrical dimensions

Researchers at City University of Hong Kong (CityUHK) have made a discovery that significantly reduces energy loss in metal nanostructures. By altering the geometrical dimensions of these structures, researchers have unlocked ...

Nanophysics Sep 30, 2024

Scientists uncover light absorbing properties of achiral materials

Researchers at the University of Ottawa have made a discovery that changes what we know about light and materials. They found that engineered achiral (symmetric) materials, called achiral plasmonic metasurfaces, can absorb ...

Optics & Photonics Sep 9, 2024

Electrically modulated light antenna points the way to faster computer chips

Today's computers reach their physical limits when it comes to speed. Semiconductor components usually operate at a maximum usable frequency of a few gigahertz—which corresponds to several billion computing operations per ...

Optics & Photonics Sep 6, 2024

Plasmonic modulators could enable high-capacity space communication

Researchers have achieved data rates as high as 424Gbit/s across a 53-km turbulent free-space optical link using plasmonic modulators—devices that use special light waves called surface plasmon polaritons to control and ...

Bio & Medicine Sep 6, 2024

Low-cost nanomaterial technology can detect cancer genes with ultra-high sensitivity

Dr. Min-young Lee and Dr. Sung-gyu Park of the Advanced Bio and Healthcare Materials Research Division at KIMS have developed a technology that can detect cancer mutant genes in blood with the world's highest sensitivity ...

Analytical Chemistry Sep 2, 2024

Scientists develop multifunctional photocatalyst for wastewater treatment

Water contamination by pharmaceuticals and heavy metals poses severe environmental and health risks. Traditional methods like biodegradation and filtration often lack efficiency and sustainability. Photocatalysis, using solar ...

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