Results 11 to 20 of about 1,706,590 (302)

Table-top all-attosecond transient absorption spectroscopy [PDF]

open access: yesNature Communications
Attosecond transient absorption spectroscopy (ATAS) has emerged as a powerful technique within the field of attosecond science, combining extremely high temporal and excellent spectral resolution.
Mikhail Volkov   +6 more
doaj   +2 more sources

A guide to transient absorption spectroscopy for porous crystalline materials in photocatalysis [PDF]

open access: yesNature Communications
Transient absorption spectroscopy has become an increasingly accessible method for probing the fundamental mechanisms of photocatalytic reaction and has provided important mechanistic insights across a wide range of systems.
Alexander J. King   +3 more
doaj   +2 more sources

Ultrafast Studies of ZrTe3 by Transient Absorption Spectrometer [PDF]

open access: yesMaterials, 2022
Two-dimensional (2D) tri-TMDCs carrier dynamics provide a platform for studying excitons through Ultrafast Pump-Probe Transient Absorption Spectroscopy. Here we studied the ZrTe3 nanosheets (NTs) exciton dynamics by transient absorption (TA) spectrometer.
Shakeel Ahmed   +5 more
openaire   +3 more sources

Comparison of Chlorophyll and Bacteriochlorophyll Ultrafast Transient Absorption Spectra and Kinetics [PDF]

open access: yesMolecules
Oxygenic and anoxygenic photosynthesis are initiated through the absorption of light by chlorophyll and bacteriochlorophyll photosynthetic pigments, respectively, which function as light-harvesting (antenna) and redox pigments on the photosynthetic ...
Arjun Krishnamoorthi   +3 more
doaj   +2 more sources

Direct determination of multiphoton absorption cross-sections by transient absorption spectroscopy [PDF]

open access: yesChemical Science
We present a reliable transient absorption method to directly measure photon absorption cross-sections, advancing photon-harvesting research.
Huajun He   +4 more
openaire   +3 more sources

The development and calibration of a generic dynamic absorption chiller model [PDF]

open access: yes, 2012
Although absorption cooling has been available for many years, the technology has typically been viewed as a poorly performing alternative to vapour compression refrigeration.
Borg, Simon Paul, Kelly, Nicolas
core   +4 more sources

X-Ray Transient Absorption Reveals the 1Au (Nπ*) State of Pyrazine in Electronic Relaxation [PDF]

open access: yes, 2021
Electronic relaxation in organic chromophores often proceeds via states not directly accessible by photoexcitation. We report on the photoinduced dynamics of pyrazine that involves such states, excited by a 267 nm laser and probed with X-ray transient ...
Sonia, Coriani   +11 more
core   +2 more sources

Nonlinear Optical Studies of Gold Nanoparticle Films

open access: yesNanomaterials, 2019
Gold films are widely used for different applications. We present the results of third- and high-order nonlinear optical studies of the thin films fabricated from Au nanoparticle solutions by spin-coating methods.
Anuradha Rout   +7 more
doaj   +1 more source

Broadband Visible Nonlinear Absorption and Ultrafast Dynamics of the Ti3C2 Nanosheet

open access: yesNanomaterials, 2020
The Ti3C2 nanosheet, as a new two-dimensional (2D) group, has been found to have attractive characteristics as material for electromagnetic shielding and energy storage.
Yabin Shao   +5 more
doaj   +1 more source

Excited‐State Dynamics in All‐Polymer Blends with Polymerized Small‐Molecule Acceptors

open access: yesAdvanced Science, 2023
Polymerizing small‐molecular acceptors (SMAs) is a promising route to construct high performance polymer acceptors of all‐polymer solar cells (all‐PSCs).
Ziran Liu   +6 more
doaj   +1 more source

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