Publication
Origin of enhancement in Raman scattering from Ag-dressed carbon-nanotube antennas: experiment and modelling
Related publications (34)
Light Emission and Conductance Fluctuations in Electrically Driven and Plasmonically Enhanced Molecular Junctions
Christophe Marcel Georges Galland, Konstantin Malchow, Wen Chen, Sakthi Priya Amirtharaj
Electrically connected and plasmonically enhanced molecular junctions combine the optical functionalities of high field confinement and enhancement (cavity function), and of high radiative efficiency (antenna function) with the electrical functionalities o ...
Amer Chemical Soc2024Plasmon-induced near-infrared fluorescence enhancement of single-walled carbon nanotubes
Ardemis Anoush Boghossian, Giulia Tagliabue, Sayyed Hashem Sajjadi, Alessandra Antonucci, Shang-Jung Wu, Theodoros Tsoulos, Amirmostafa Amirjani
Single-walled carbon nanotubes (SWCNTs) emit near-infrared (NIR) fluorescence that is ideal for optical sensing. However, the low quantum yields diminish the sensor’s signal-to-noise ratio and limits the penetration depths for in vivo measurements. In this ...
2022Investigation of photoinduced effects in plasmonic nanocavities
Light matter interaction can be boosted by several orders of magnitude by tailoring the photonic environment, thus enabling a wide range of applications. One particular example are plasmonic nanostructures that support localized surface plasmon polariton ( ...
EPFL2021Structural Order of the Molecular Adlayer Impacts the Stability of Nanoparticle-on-Mirror Plasmonic Cavities
Christophe Marcel Georges Galland, Magalí Alejandra Lingenfelder, Sachin Suresh Verlekar, Fernando Pablo Cometto, Karla Banjac, Aqeel Ahmed
Immense field enhancement and nanoscale confinement of light are possible within nanoparticle-on-mirror (NPoM) plasmonic resonators, which enable novel optically activated physical and chemical phenomena and render these nanocavities greatly sensitive to m ...
AMER CHEMICAL SOC2021Templating colloidal sieves for tuning nanotube surface interactions and optical sensor responses
Ardemis Anoush Boghossian, Benjamin Paul Johanès Gabriel Lambert, Daniel Jerôme Siefman, Alice Judith Gillen, Shang-Jung Wu
Surfactants offer a tunable approach for modulating the exposed surface area of a nanoparticle. They further present a scalable and cost-effective means for suspending single-walled carbon nanotubes (SWCNTs), which have demonstrated practical use as fluore ...
2019A Unified View on Nanoscale Packing, Connectivity, and Conductivity of CNT Networks
The design of functional structures from primary building blocks requires a thorough understanding of how size, shape, and particle-particle interactions steer the assembly process. Specifically, for electrically conductive networks build from carbon nanot ...
WILEY-V C H VERLAG GMBH2019Metal nanoparticles functionalized carbon nanotubes for efficient catalytic application
Surfactant molecules were non-covalently functionalized with carbon nanotubes (CNTs) to retain the remarkable properties of CNTs. Moreover, silver nanoparticles (AgNPs) were immobilized onto CNTs-surfactant matrixes to enhance the catalytic and biomedical ...
2019Mode Evolution in Strongly Coupled Plasmonic Dolmens Fabricated by Templated Assembly
Jürgen Brugger, Olivier Martin, Duncan Thomas Lindsay Alexander, Massimo Mastrangeli, Jérémy Butet, Valentin Flauraud, Gabriel David Bernasconi
Plasmonic antennas have enabled a wealth of applications that exploit tailored near-fields and radiative properties, further endowed by the bespoke interactions of multiple resonant building blocks. Specifically, when the interparticle distances are reduce ...
2017Identifying Chemical Functionalization on Individual Carbon Nanotubes and Graphene by Local Vibrational Fingerprinting
Klaus Kern, Kannan Balasubramanian
Chemical functionalization of carbon nanotubes (CNTs) and graphene allows for fine-tuning their physical and chemical properties to realize fascinating new fundamental phenomena as well as exotic applications. A primary challenge in such endeavors is the n ...
Amer Chemical Soc2015Anti-Stokes Raman spectroscopy as a method to identify metallic and mixed metallic/semiconducting configurations of multi-walled carbon nanotubes
SERS studies were performed on films of two families of multi-wall carbon nanotubes (MWCNTs) under an excitation light of 514.5 nm and 647.1 nm. These included Aldrich-MWCNTs, which alternate semiconducting and metallic tubes and M-MWCNTs that contain only ...
Royal Soc Chemistry2015