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Related papers: Plasmon-driven motion of an individual molecule

200 papers

Under the local plasmonic excitation, the Raman images of a single molecule can now reach sub-nanometer resolution. We report here a theoretical description of the interaction between a molecule and a highly confined plasmonic field. It is…

Mesoscale and Nanoscale Physics · Physics 2015-08-06 Sai Duan , Guangjun Tian , Yongfei Ji , Jiushu Shao , Zhenchao Dong , Yi Luo

In this work, we observe plasmon induced hot electron extraction in a heterojunction between indium tin oxide nanocrystals and monolayer molybdenum disulphide. We study the sample with ultrafast differential transmission exciting the sample…

Plasmonic nanopores are extensively investigated as single molecules detectors. The main limitations in plasmonic nanopore technology are the too fast translocation velocity of the molecule through the pore and the consequent very short…

Applied Physics · Physics 2021-05-12 Nicolò Maccaferri , Paolo Vavassori , Denis Garoli

The spontaneous fluorescence rates of single-molecule emitters are typically on the order of nanoseconds. However coupling them with plasmonic nanostructures can substantially increase their fluorescence yields. The confinement between the…

Mesoscale and Nanoscale Physics · Physics 2024-02-01 Jiří Doležal , Amandeep Sagwal , Rodrigo Cezar de Campos Ferreira , Martin Švec

Excitons and their constituent charge carriers play the central role in electroluminescence mechanisms determining the ultimate performance of organic optoelectronic devices. The involved processes and their dynamics are often studied with…

Mesoscale and Nanoscale Physics · Physics 2018-06-05 Anna Rosławska , Pablo Merino , Christoph Große , Christopher C. Leon , Olle Gunnarsson , Markus Etzkorn , Klaus Kuhnke , Klaus Kern

Molecular vibrations couple to visible light only weakly, have small mutual interactions, and hence are often ignored for non-linear optics. Here we show the extreme confinement provided by plasmonic nano- and pico-cavities can sufficiently…

Light-matter interaction at the atomic scale rules fundamental phenomena such as photoemission and lasing, while enabling basic everyday technologies, including photovoltaics and optical communications. In this context, plasmons --the…

Molecular vibrations and their dynamics are of outstanding importance for electronic and thermal transport in nanoscale devices as well as for molecular catalysis. The vibrational dynamics of <100 molecules are studied through three-colour…

Plasmonic nanocavities enable the confinement of molecules and electromagnetic fields within nano-metric volumes. As a consequence, the molecules experience a remarkably strong interaction with the electromagnetic field, to such an extent…

Chemical Physics · Physics 2021-09-01 Jacopo Fregoni , Tor S. Haugland , Silvio Pipolo , Tommaso Giovannini , Henrik Koch , Stefano Corni

Precise spatio-temporal control of surface bubble movement can benefit a wide range of applications like high-throughput drug screening, combinatorial material development, microfluidic logic, colloidal and molecular assembly, etc. In this…

Studies of nanoparticle-based optical matter have only considered spherical constituents. Yet nanoparticles with other shapes are expected to have different local electromagnetic field distributions and therefore interactions with neighbors…

Mesoscale and Nanoscale Physics · Physics 2018-08-01 Delphine Coursault , Nishant Sule , John Parker , Ying Bao , Norbert F. Scherer

Nanophotonic devices take advantage of geometry-dependent optical properties to confine and enhance the interaction of light with matter on small scales. By carefully patterning nanoscale geometries, coupling of responses across distinct…

Optics · Physics 2018-12-06 Brian J. Roxworthy , Vladimir A. Aksyuk

Recently, the spectral manipulation of single photons has been achieved through spatial-temporal modulation of the optical refractive index. Here, we generalize this mechanism to massive particles, i.e. realizing the acceleration or…

Optics · Physics 2022-04-26 Mai Zhang , Xie-hang Yu , Xin-Biao Xu , Guang-Can Guo , Chang-Ling Zou

We develop a new general formulation to explore light-driven electron transport through a single-molecule device with multiple pathways. Three individual systems are proposed including (i) a two-terminal molecular junction based on…

Mesoscale and Nanoscale Physics · Physics 2014-01-20 Liang-Yan Hsu , Herschel Rabitz

The ability to confine light down to atomic scales is critical for the development of applications in optoelectronics and optical sensing as well as for the exploration of nanoscale quantum phenomena. Plasmons in metallic nanostructures can…

Optical spectroscopy has been the primary tool to study the electronic structure of molecules. However the strict spin selection rule has severely limited its ability to access states of different spin multiplicities. Here we propose a new…

Mesoscale and Nanoscale Physics · Physics 2019-09-16 Sai Duan , Zilvinas Rinkevicius , Yi Luo

Light sources on the scale of single molecules can be addressed and characterized on their proper sub-nanometer scale by scanning tunneling microscopy induced luminescence (STML). Such a source can be driven by defined short charge pulses…

Mesoscale and Nanoscale Physics · Physics 2021-06-15 Anna Rosławska , Pablo Merino , Christopher C. Leon , Abhishek Grewal , Markus Etzkorn , Klaus Kuhnke , Klaus Kern

A proof-of-principle experiment is reported, where torsional motion of a molecule, consisting of a pair of phenyl rings, is induced by strong laser pulses. A nanosecond laser pulse spatially aligns the carbon-carbon bond axis, connecting…

When particles suspended in a fluid are driven through a regular lattice of cylindrical obstacles, the particle motion is usually not simply in the direction of the force, and in the high Peclet number limit particle trajectories tend to…

Soft Condensed Matter · Physics 2016-05-04 J. Koplik , G. Drazer

Investigating the cellular internalization pathways of single molecules or single nano-objects is important to understanding cell-matter interactions and to applications in drug delivery and discovery. Imaging and tracking the motion of…

Biological Physics · Physics 2015-06-04 Guosong Hong , Justin Z. Wu , Joshua T. Robinson , Hailiang Wang , Bo Zhang , Hongjie Dai