Search Results - "Willets, Katherine A."

Hot Carriers versus Thermal Effects: Resolving the Enhancement Mechanisms for Plasmon-Mediated Photoelectrochemical Reactions by Yu, Yun, Sundaresan, Vignesh, Willets, Katherine A

“…Nonradiative decay of localized surface plasmons results in the production of hot charge carriers and the generation of heat, both of which can affect the…”
Get full text

Localized surface plasmon resonance spectroscopy and sensing by Willets, Katherine A, Van Duyne, Richard P

“…Localized surface plasmon resonance (LSPR) spectroscopy of metallic nanoparticles is a powerful technique for chemical and biological sensing experiments…”
Get full text

Surface-enhanced Raman scattering (SERS) for probing internal cellular structure and dynamics by Willets, Katherine A.

“…Surface-enhanced Raman scattering (SERS) provides vibrational information about molecules that are located within several nanometers of the surface of a…”
Get full text

Super-resolution imaging of interactions between molecules and plasmonic nanostructures by Willets, Katherine A

“…Super-resolution far-field imaging has recently emerged as a novel strategy for imaging interactions between plasmonic nanostructures and single molecules with…”
Get more information

Modification of the Electrochemical Properties of Nile Blue through Covalent Attachment to Gold As Revealed by Electrochemistry and SERS by Wilson, Andrew J, Molina, Natalia Y, Willets, Katherine A

“…Conventional electrochemistry and surface-enhanced Raman scattering (SERS) spectroelectrochemistry are used to probe the redox reaction of Nile Blue…”
Get full text

Correlated Super-Resolution Optical and Structural Studies of Surface-Enhanced Raman Scattering Hot Spots in Silver Colloid Aggregates by Weber, Maggie L, Willets, Katherine A

“…In order to advance the field of single-molecule surface-enhanced Raman scattering (SM-SERS), a better understanding of colloid morphology and hot spot…”
Get full text

Characterizing the Spatial Dependence of Redox Chemistry on Plasmonic Nanoparticle Electrodes Using Correlated Super-Resolution Surface-Enhanced Raman Scattering Imaging and Electron Microscopy by Weber, Maggie L, Wilson, Andrew J, Willets, Katherine A

“…Super-resolution surface-enhanced Raman scattering (SERS) is used to investigate local surface potentials on plasmonic gold and silver colloidal aggregates…”
Get full text

Shedding Light on Surface-Enhanced Raman Scattering Hot Spots through Single-Molecule Super-Resolution Imaging by Willets, Katherine A, Stranahan, Sarah M, Weber, Maggie L

“…Super-resolution imaging has recently been utilized to develop a better understanding of the properties of surface-enhanced Raman scattering (SERS) hot spots…”
Get full text

Accuracy of Superlocalization Imaging Using Gaussian and Dipole Emission Point-Spread Functions for Modeling Gold Nanorod Luminescence by Titus, Eric J, Willets, Katherine A

“…We present a study comparing the accuracy of superlocalization imaging of plasmon-mediated emission from gold nanorods (AuNRs) using both Gaussian and dipole…”
Get full text

Effects of Tuning Fluorophore Density, Identity, and Spacing on Reconstructed Images in Super-Resolution Imaging of Fluorophore-Labeled Gold Nanorods by Blythe, Karole L, Titus, Eric J, Willets, Katherine A

“…A triplet-state mediated super-resolution imaging technique is used to optically investigate the locations of single fluorescently labeled double-stranded DNA…”
Get full text

Superlocalization Surface-Enhanced Raman Scattering Microscopy: Comparing Point Spread Function Models in the Ensemble and Single-Molecule Limits by Titus, Eric J, Willets, Katherine A

“…In this report, we compare the effectiveness of various dipole and Gaussian point spread function (PSF) models for fitting diffraction-limited surface-enhanced…”
Get full text

Triplet-State-Mediated Super-Resolution Imaging of Fluorophore-Labeled Gold Nanorods by Blythe, Karole L., Titus, Eric J., Willets, Katherine A.

“…Triplet‐state‐mediated super‐resolution imaging was used to map the positions of fluorescently labeled double‐stranded DNA bound to the surface of gold…”
Get full text

Super-Resolution Surface-Enhanced Raman Scattering: Perspectives on the Past, Present, and Future by Willets, Katherine A.

“…Super-resolution surface-enhanced Raman scattering (SERS) allows researchers to overcome the resolution limit of far field optical microscopy and peer into…”
Get full text

Localized Surface Plasmon Resonance Imaging: Simultaneous Single Nanoparticle Spectroscopy and Diffusional Dynamics by Bingham, Julia M, Willets, Katherine A, Shah, Nilam C, Andrews, David Q, Van Duyne, Richard P

“…A wide-field localized surface plasmon resonance (LSPR) imaging method using a liquid crystal tunable filter is used to measure the scattering spectra of…”
Get full text

Super-Resolution Imaging and Plasmonics by Willets, Katherine A, Wilson, Andrew J, Sundaresan, Vignesh, Joshi, Padmanabh B

“…This review describes the growing partnership between super-resolution imaging and plasmonics, by describing the various ways in which the two topics mutually…”
Get full text

Supercharging Superlocalization Microscopy: How Electrochemical Charging of Plasmonic Nanostructures Uncovers Hidden Heterogeneity by Willets, Katherine A

“…Superlocalization microscopy enables the position of single plasmonic nanoparticles to be determined with <25 nm precision, enabling single-nanoparticle…”
Get full text

Potential dependent spectroelectrochemistry of electrofluorogenic dyes on indium‐tin oxide by Sundaresan, Vignesh, Cutri, Allison R., Metro, Jarek, Madukoma, Chinedu S., Shrout, Joshua D., Hoffman, Anthony J., Willets, Katherine A., Bohn, Paul W.

“…Indium‐tin oxide (ITO) is used in a variety of applications due to its electrical conductivity and optical transparency. Moreover, ITO‐coated glass is a common…”
Get full text

Plasmon point spread functions： How do we model plasmon-mediated emission processes by Willets, Katherine A.

“…A major challenge with studying plasmon-mediated emission events is the small size of plasmonic nanoparticles relative to the wavelength of light. Objects…”
Get full text

Super-resolution Optical Imaging of Single-Molecule SERS Hot Spots by Stranahan, Sarah M, Willets, Katherine A

“…We present the first super-resolution optical images of single-molecule surface-enhanced Raman scattering (SM-SERS) hot spots, using super-resolution imaging…”
Get full text

Imaging Electrogenerated Chemiluminescence at Single Gold Nanowire Electrodes by Wilson, Andrew J, Marchuk, Kyle, Willets, Katherine A

“…We report electrogenerated chemiluminescence (ECL) generated at single gold nanowire electrodes supported on tin-doped indium oxide. Unlike other single…”
Get full text