Results 61 to 70 of about 910,555 (326)

Study the plasmonic property of gold nanorods highly above damage threshold via single-pulse spectral hole-burning experiments

open access: yesScientific Reports, 2021
Intense femtosecond laser irradiation reshapes gold nanorods, resulting in a persistent hole in the optical absorption spectrum of the nanorods at the wavelength of the laser.
Zibo Wang, Zhe Kan, Mengyan Shen
doaj   +1 more source

Controlled side-by-side assembly of gold nanorods and dye molecules into polymer-wrapped SERRS-active clusters [PDF]

open access: yes, 2011
The controlled side-by-side assembly of gold nanorods in solution together with Raman reporter dye molecules to create small SERRS-active clusters stabilised by a surrounding polymer layer is demonstrated.
Hunt, Nathan   +2 more
core   +1 more source

Optimization of ZnO Nanorod-Based Surface Enhanced Raman Scattering Substrates for Bio-Applications

open access: yesNanomaterials, 2019
Nanorods based on ZnO for surface enhanced Raman spectroscopy are promising for the non-invasive and rapid detection of biomarkers and diagnosis of disease.
Miyeon Jue   +12 more
doaj   +1 more source

Plasmonic nano-resonator enhanced one-photon luminescence from single gold nanorods

open access: yes, 2015
Strong Stokes and anti-Stokes one-photon luminescence from single gold nanorods is measured in experiments. It is found that the intensity and polarization of the Stokes and anti-Stokes emissions are in strong correlation.
Cheng, Yuqing   +5 more
core   +1 more source

Optically Controlled Stochastic Jumps of Individual Gold Nanorod Rotary Motors [PDF]

open access: yes, 2018
Brownian microparticles diffusing in optical potential energy landscapes constitute a generic testbed for nonequilibrium statistical thermodynamics and has been used to emulate a wide variety of physical systems, ranging from Josephson junctions to ...
Andrén, Daniel   +4 more
core   +2 more sources

Shaping Ti3C2 MXene Nanospheres for Precision Near‐Infrared Photothermal Therapy

open access: yesAdvanced Functional Materials, EarlyView.
In this study, we report producing spherical MXenes via fs laser fragmentation of Ti3C2 flakes in liquid medium. The nanoparticles demonstrated pronounced light absorption and high photothermal conversion efficiencies of 68% and 63% under heating with NIR‐I and NIR‐II lasers, respectively.
Julia S. Babkova   +21 more
wiley   +1 more source

Electrical Control of Plasmon Resonance with Graphene [PDF]

open access: yes, 2012
Surface plasmon, with its unique capability to concentrate light into sub-wavelength volume, has enabled great advances in photon science, ranging from nano-antenna and single-molecule Raman scattering to plasmonic waveguide and metamaterials.
Alex Zettl   +38 more
core   +1 more source

Sulfide-Arrested Growth of Gold Nanorods [PDF]

open access: yesChemistry of Materials, 2005
The growth of gold nanorods can be arrested at intermediate stages by treatment with Na(2)S, providing greater control over their optical resonances. Nanorods prepared by the seeded reduction of AuCl(4) in aqueous cetyltrimethylammonium bromide solutions in the presence of AgNO(3) typically exhibit a gradual blueshift in longitudinal plasmon resonance,
Zweifel, Daniel A., Wei, Alexander
openaire   +4 more sources

An Engineered Living Material With Pro‐Angiogenic Activity Inducible by Near‐Infrared Light

open access: yesAdvanced Functional Materials, EarlyView.
NIR‐responsive engineered living materials (ELMs) for controlled angiogenesis: Near‐infrared (800 nm) light activates engineered probiotic bacteria within alginate‐based living materials to secrete a blood vessel‐regenerating protein. The released protein promotes pro‐angiogenic effects in endothelial networks and chick chorioallantoic membranes.
Anwesha Chatterjee   +4 more
wiley   +1 more source

LSPR and Interferometric Sensor Modalities Combined Using a Double-Clad Optical Fiber

open access: yesSensors, 2018
We report on characterization of an optical fiber-based multi-parameter sensor concept combining localized surface plasmon resonance (LSPR) signal and interferometric sensing using a double-clad optical fiber.
Harald Ian Muri   +2 more
doaj   +1 more source

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