Theoretical Investigation of Ru(II) Complexes with Long Lifetime and a Large Two-Photon Absorption Cross-Section in Photodynamic Therapy.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of medicinal chemistry"
DOI: 10.1021/acs.jmedchem.3c00047
Abstract: Two-photon photodynamic therapy (TP-PDT), as a new method for cancer, has shown unique advantages in tumors. A low two-photon absorption cross-section (δ) in the biologic spectral window and a short triplet state lifetime are the… read more here.
Keywords: absorption cross; photon absorption; two photon; photodynamic therapy ... See more keywords
Silicon Quantum Dots in Dielectric Scattering Media: Broadband Enhancement of Effective Absorption Cross Section by Light Trapping.
Sign Up to like & getrecommendations! Published in 2017 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.7b04292
Abstract: We report strong enhancements of the effective absorption cross section and photoluminescence (PL) intensity of silicon quantum dots (Si QDs) with 2.8-6.8 nm in diameter in a highly scattering dielectric medium. The scattering medium is… read more here.
Keywords: effective absorption; cross section; absorption cross;
Determination of the Single-Exciton Two-Photon Absorption Cross Sections of Semiconductor Nanocrystals through the Measurement of Saturation of Their Two-Photon-Excited Photoluminescence
Sign Up to like & getrecommendations! Published in 2020 at "ACS Photonics"
DOI: 10.1021/acsphotonics.9b01820
Abstract: Conventional approaches to the determination of the two-photon absorption cross-section (TPACS) of fluorescent semiconductor nanocrystals, including quantum dots (QDs) and nanoplatelets (NPLs), can... read more here.
Keywords: photon; two photon; absorption cross; determination ... See more keywords
Quantifying Optical Absorption of Single Plasmonic Nanoparticles and Nanoparticle Dimers Using Micro String Resonators.
Sign Up to like & getrecommendations! Published in 2020 at "ACS sensors"
DOI: 10.1021/acssensors.0c00591
Abstract: The wide and ever-increasing applications of thermoplasmonics demand the need for sensitive and reliable tools to probe optical absorptions of individual nanoparticles. However, most of the currently available techniques focus only on measuring surface temperature… read more here.
Keywords: absorption; optical absorption; absorption cross; quantifying optical ... See more keywords
Direct determination of multiphoton absorption cross-sections by transient absorption spectroscopy
Sign Up to like & getrecommendations! Published in 2025 at "Chemical Science"
DOI: 10.1039/d5sc03392f
Abstract: Single- and multi-photon absorption cross-sections quantify the likelihood that a material will absorb one or more photons at a given wavelength. This critical parameter is fundamental to understanding light-matter interactions that underpin key applications in… read more here.
Keywords: spectroscopy; photon; absorption cross; absorption ... See more keywords
On the absorption properties of metallic needles
Sign Up to like & getrecommendations! Published in 2020 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staa2614
Abstract: Needle-like metallic particles have been suggested to explain a wide variety of astrophysical phenomena, ranging from the mid-infrared interstellar extinction to the thermalization of starlight to generate the cosmic microwave background. These suggestions rely on… read more here.
Keywords: absorption; absorption properties; properties metallic; absorption cross ... See more keywords
One-photon absorption by inorganic perovskite nanocrystals: A theoretical study
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.195414
Abstract: The one-photon absorption cross section of nanocrystals (NCs) of the inorganic perovskite CsPbBr$_{3}$ is studied theoretically using a multiband $\mathbf{k}\cdot\mathbf{p}$ envelope-function model combined with a treatment of intercarrier correlation by many-body perturbation theory. A confined… read more here.
Keywords: absorption; photon; cross section; absorption cross ... See more keywords
Absorption cross-section spectroscopy of a single strong-coupling system between plasmon and molecular exciton resonance using a single silver nanoparticle dimer generating surface-enhanced resonant Raman scattering
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.235409
Abstract: This study investigated spectral changes in the absorption cross-sections of single strong coupling systems composed of single silver nanoparticle dimers and a few dye molecules during the quenching of surface-enhanced resonant Raman scattering (SERRS). The… read more here.
Keywords: spectroscopy; cross sections; cross; absorption cross ... See more keywords
Absorption cross section in an intense plane wave background
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.100.076002
Abstract: We consider the absorption of probe photons by electrons in the presence of an intense, pulsed, background field. Our analysis reveals an interplay between regularisation and gauge invariance which distinguishes absorption from its crossing-symmetric processes,… read more here.
Keywords: field; section intense; absorption cross; intense plane ... See more keywords
Absorption cross section of regular black holes in scalar-tensor conformal gravity
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review D"
DOI: 10.1103/physrevd.105.044031
Abstract: In terms of the complex angular momentum method, we compute the absorption cross section by analyzing a massless test scalar field around conformally related black holes. At first, we investigate circular null geodesics and thereby… read more here.
Keywords: black holes; regular black; absorption cross; absorption ... See more keywords
Black hole absorption cross sections: Spin and Regge poles
Sign Up to like & getrecommendations! Published in 2025 at "Physical Review D"
DOI: 10.1103/vj91-h7wd
Abstract: We investigate the absorption of massless scalar, electromagnetic, and gravitational fields propagating in the Schwarzschild black hole geometry. Using complex angular momentum techniques, we first derive a representation of the absorption cross section that separates… read more here.
Keywords: black hole; absorption cross; electromagnetic gravitational; absorption ... See more keywords