Search Results - "Shahbazyan, Tigran V."
-
1
Exciton–Plasmon Energy Exchange Drives the Transition to a Strong Coupling Regime
Published in Nano letters (08-05-2019)“…We present a model for exciton–plasmon coupling based on an energy exchange mechanism between quantum emitters (QE) and localized surface plasmons in…”
Get full text
Journal Article -
2
Theory of Plasmon-Enhanced Metal Photoluminescence
Published in Nano letters (09-01-2013)“…Metal photoluminescence (MPL) originates from radiative recombination of photoexcited core holes and conduction band electrons. In metal nanostructures, MPL is…”
Get full text
Journal Article -
3
Cooperative emission of light by an ensemble of dipoles near a metal nanoparticle: the plasmonic Dicke effect
Published in Physical review letters (20-02-2009)“…We identify a new mechanism for cooperative emission of light by an ensemble of N dipoles near a metal nanostructure supporting a surface plasmon. The cross…”
Get full text
Journal Article -
4
Transition to strong coupling regime in hybrid plasmonic systems: exciton-induced transparency and Fano interference
Published in Nanophotonics (Berlin, Germany) (28-10-2021)“…We present a microscopic model describing the transition to a strong coupling regime for an emitter resonantly coupled to a surface plasmon in a…”
Get full text
Journal Article -
5
Cooperative Energy Transfer Controls the Spontaneous Emission Rate Beyond Field Enhancement Limits
Published in Physical review letters (22-05-2019)“…Quantum emitters located in proximity to a metal nanostructure individually transfer their energy via near-field excitation of surface plasmons. The energy…”
Get full text
Journal Article -
6
Local Density of States for Nanoplasmonics
Published in Physical review letters (11-11-2016)“…We obtain the local density of states (LDOS) for any nanoplasmonic system in the frequency range dominated by a localized surface plasmon. By including the…”
Get full text
Journal Article -
7
Possibility of Exciton Bose–Einstein Condensation in CdSe Nanoplatelets
Published in Nanomaterials (Basel, Switzerland) (01-10-2023)“…The quasi-two-dimensional exciton subsystem in CdSe nanoplatelets is considered. It is theoretically shown that Bose–Einstein condensation (BEC) of excitons is…”
Get full text
Journal Article -
8
Effect of Random Nanostructured Metallic Environments on Spontaneous Emission of HITC Dye
Published in Nanomaterials (Basel, Switzerland) (27-10-2020)“…We have studied emission kinetics of HITC laser dye on top of glass, smooth Au films, and randomly structured porous Au nanofoams. The observed concentration…”
Get full text
Journal Article -
9
Mode Volume, Energy Transfer, and Spaser Threshold in Plasmonic Systems with Gain
Published in ACS photonics (19-04-2017)“…We present a unified approach to describe spasing in plasmonic systems modeled by quantum emitters interacting with resonant plasmon mode. We show that spaser…”
Get full text
Journal Article -
10
Vibrational modes of metal nanoshells and bimetallic core-shell nanoparticles
Published in The Journal of chemical physics (21-07-2008)“…We theoretically study the spectrum of radial vibrational modes in composite metal nanostructures such as bimetallic core-shell particles and metal nanoshells…”
Get more information
Journal Article -
11
Surface-Assisted Carrier Excitation in Plasmonic Nanostructures
Published in Plasmonics (Norwell, Mass.) (01-06-2018)“…We present a quantum-mechanical model for surface-assisted carrier excitation by optical fields in plasmonic nanostructures of arbitrary shape. We derive an…”
Get full text
Journal Article -
12
Perovskite films prepared by solvent volatilization via DMSO-based intermediate phase for photovoltaics
Published in Solar energy (01-04-2021)“…•Perovskite film fabrication technique using volatilization solvents.•Perovskite precursor is composed of DMSO, 2-ME and MA ethanol.•The method can be used for…”
Get full text
Journal Article -
13
Luminescence properties of CsPbBr3:Mn nanocrystals
Published in Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology (01-04-2021)“…Mn-doped CsPbBr 3 nanocrystals with sizes of ~10 nm are synthesized by hot injection method via the addition of HBr in the precursor. The sizes and crystal…”
Get full text
Journal Article -
14
Cooperative amplification of energy transfer in plasmonic systems
Published in Physical review. B, Condensed matter and materials physics (18-12-2013)“…We study cooperative effects in energy transfer (ET) from an ensemble of donors to an acceptor near a plasmonic nanostructure. We demonstrate that, in the…”
Get full text
Journal Article -
15
Stable CsPbI3 Nanocrystals Modified by Tetra‑n‑butylammonium Iodide for Light-Emitting Diodes
Published in ACS applied nano materials (25-09-2020)“…Inorganic lead halide perovskite materials (e.g., CsPbI3) have a great potential to be used in light-emitting diodes (LEDs). However, poor stability of CsPbI3…”
Get full text
Journal Article -
16
Microscopic theory of surface-enhanced Raman scattering in noble-metal nanoparticles
Published in Physical review. B, Condensed matter and materials physics (01-02-2006)Get full text
Journal Article -
17
Finite-size effects in surface-enhanced Raman scattering in noble-metal nanoparticles: a semiclassical approach
Published in Journal of the Optical Society of America. A, Optics, image science, and vision (01-06-2006)“…We study finite-size effects in surface-enhanced Raman scattering (SERS) from molecules adsorbed on small metal particles. Within an electromagnetic…”
Get more information
Journal Article -
18
Purcell Factor for Plasmon-Enhanced Metal Photoluminescence
Published in Journal of physical chemistry. C (30-03-2023)“…We present an analytical model for the plasmonic enhancement of metal photoluminescence (MPL) in metal nanostructures with a characteristic size below the…”
Get full text
Journal Article -
19
Long-range plasmon-assisted energy transfer over doped graphene
Published in Physical review. B, Condensed matter and materials physics (26-12-2012)“…We demonstrate that longitudinal plasmons in doped monolayer graphene can mediate highly efficient long-range energy transfer between nearby fluorophores,…”
Get full text
Journal Article -
20
Exciton-plasmaritons in graphene/semiconductor structures
Published in Physical review. B, Condensed matter and materials physics (05-08-2014)“…We study strong coupling between plasmons in monolayer charge-doped graphene and excitons in a narrow gap semiconductor quantum well separated from graphene by…”
Get full text
Journal Article