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Gold Nanostar Substrates for SERS Sensing in the Femtomolar Regime

Invention Summary: Raman spectroscopy is a valuable analytical tool that employs vibration patterns for the identification of molecules. However, it is limited due to the low scattering cross section of most Raman active molecules, which leads to low sensitivity. Surface-enhanced Raman spectroscopy (SERS) increases the intensity of Raman signals by...

Published: 11/13/2020 | Inventor(s): Laura Fabris, Swarnapali Indrasekara

Keywords(s): Sensors & Probes

Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Sensors

Near infrared photocatalyst based on TiO2-coated gold nanoparticles

Invention Summary: Nanoparticles such as gold nanospheres, nanorods and nanostars are a promising additive to titanium dioxide (TiO2) to increase photocatalytic efficiency. However, conventional TiO2-nanoparticles drive photocatalytic reaction only by UV light. There is a need for materials with enhanced photocatalytic capacity under visible or infrared...

Published: 2/13/2020 | Inventor(s): Laura Fabris, Fuat Celik, Supriya Atta, Ashley Pennington

Keywords(s): Catalysts, Photonics and photovoltaics

Category(s): Technology Classifications > Physical Sciences & Engineering, Technology Classifications > Catalysts, Technology Classifications > Nanotechnology