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Nanomaterials Jan 30, 2024

Efficient photothermal CO₂ methanation over NiFe alloy nanoparticles

The massive emissions of CO2 from the utilization of fossil fuels have caused a series of environmental issues and climate change. Driven by the fast development of green hydrogen and CO2 capture technologies, the hydrogenation ...

Nanophysics Jan 30, 2024

Researchers showcase new breakthroughs for unlocking the potential of plasmonics

Plasmonics are special optical phenomena that are understood as interactions between light and matter and possess diverse shapes, material compositions, and symmetry-related behavior. The design of such plasmonic structures ...

Nanophysics Jan 24, 2024

Overcoming optical loss in a polariton system with synthetic complex frequency waves

A collaborative research team co-led by Professor Shuang Zhang, the Interim Head of the Department of Âé¶¹ÒùÔºics, The University of Hong Kong (HKU), along with Professor Qing DAI from National Center for Nanoscience and Technology, ...

Bio & Medicine Jan 22, 2024

Fingerprinting biomolecules with the help of sound

A team of researchers from the Institute for Optoelectronic Systems and Microtechnology at Universidad Politécnica de Madrid (UPM) has designed a biosensor capable of identifying proteins and peptides in quantities as low ...

Optics & Photonics Jan 18, 2024

New method for integrating electro-optic heterointerfaces in MIS structures for plasmonic waveguide modulation

Researchers at the University of Toronto, led by Dr. Amr S. Helmy, have developed a new method for integrating electro-optic SiO2/ITO heterointerfaces into metal–insulator–semiconductor (MIS) structures. This breakthrough ...

Optics & Photonics Jan 18, 2024

Engineers develop terahertz imaging system capable of capturing real-time, 3D multi-spectral images

Terahertz waves can penetrate opaque materials and provide unique spectral signatures of various chemicals, but their adoption for real-world applications has been limited by the slow speed, large size, high cost and complexity ...

Nanomaterials Jan 17, 2024

Researchers optimize 3D printing of optically active nanostructures

For about 20 years, it has been possible to modify surfaces via nanoparticles so that they concentrate or manipulate light in a desired way or trigger other reactions. Such optically active nanostructures can be found in ...

Nanomaterials Jan 16, 2024

Research team develops anti-icing film that only requires sunlight

A KAIST research team has developed an anti-icing and de-icing film coating technology that can apply the photothermal effect of gold nanoparticles to industrial sites without the need for heating wires, periodic spray or ...

Nanophysics Jan 10, 2024

Anisotropic plasmon engineering unlocks multilevel polarized upconversion

National University of Singapore (NUS) researchers have introduced an upconversion plasmonphore platform to enable precise control over the polarization of isotropic upconversion nanoparticles (UCNPs). This is achieved by ...

Bio & Medicine Jan 8, 2024

Ultrasensitive molecular sensing with synthesize complex-frequency waves

Sensors are essential tools for detecting and analyzing trace molecules in a variety of fields, including environmental monitoring, food safety, and public health. However, developing sensors with high enough sensitivity ...

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