Relaxation mechanism of the hydrated electron

Science
Madeline H ElkinsDaniel M Neumark

Abstract

The relaxation dynamics of the photoexcited hydrated electron have been subject to conflicting interpretations. Here, we report time-resolved photoelectron spectra of hydrated electrons in a liquid microjet with the aim of clarifying ambiguities from previous experiments. A sequence of three ultrashort laser pulses (~100 femtosecond duration) successively created hydrated electrons by charge-transfer-to-solvent excitation of dissolved anions, electronically excited these electrons via the s→p transition, and then ejected them into vacuum. Two distinct transient signals were observed. One was assigned to the initially excited p-state with a lifetime of ~75 femtoseconds, and the other, with a lifetime of ~400 femtoseconds, was attributed to s-state electrons just after internal conversion in a nonequilibrated solvent environment. These assignments support the nonadiabatic relaxation model.

References

Sep 18, 2004·Science·A E BraggD M Neumark
Feb 14, 2006·The Journal of Chemical Physics·Anatoly A Zharikov, Sighart F Fischer
Apr 13, 2006·Chemical Reviews·Bernd Winter, Manfred Faubel
Jul 26, 2008·Physical Chemistry Chemical Physics : PCCP·Chun-Rong WangQing-Bin Lu
Oct 17, 2009·The Journal of Chemical Physics·Lei MaBernd von Issendorff
Nov 26, 2009·The Journal of Chemical Physics·Graham B GriffinDaniel M Neumark
Jul 3, 2010·Science·Ross E LarsenBenjamin J Schwartz
Sep 28, 2010·Physical Review Letters·Ondrej MarsalekPavel Jungwirth
Oct 5, 2010·Physical Chemistry Chemical Physics : PCCP·Andrea LübckeThomas Schultz
Mar 15, 2012·Physical Chemistry Chemical Physics : PCCP·Franziska BuchnerAndrea Lübcke
Jun 26, 2012·Chemical Reviews·Elahe Alizadeh, Léon Sanche
Jun 30, 2012·Chemical Reviews·Ryan M Young, Daniel M Neumark
Sep 8, 2012·Chemical Reviews·László Turi, Peter J Rossky
Apr 9, 2013·Annual Review of Physical Chemistry·Bernd Abel
Nov 12, 2013·Physical Review Letters·Stephan ThürmerBernd Winter

❮ Previous
Next ❯

Citations

Oct 11, 2014·Journal of Molecular Modeling·Esteban Vöhringer-MartinezBernd Abel
Feb 18, 2016·The Journal of Physical Chemistry. B·Vitaly V Chaban, Oleg V Prezhdo
Feb 16, 2016·The Journal of Physical Chemistry. B·Anil KumarMichael D Sevilla
Aug 15, 2015·The Journal of Physical Chemistry. a·Anil KumarMichael D Sevilla
Jan 3, 2016·The Review of Scientific Instruments·I JordanH J Wörner
Jul 22, 2014·Angewandte Chemie·Anastasia V BochenkovaLars H Andersen
Jun 4, 2015·Nanoscale·Khashayar GhandiMark S Gordon
Dec 5, 2014·Physical Chemistry Chemical Physics : PCCP·Alexander KotheEmad F Aziz
Jun 22, 2015·The Journal of Chemical Physics·Madeline H ElkinsDaniel M Neumark
Dec 11, 2014·Annual Review of Physical Chemistry·Peter Vöhringer
Aug 12, 2015·The Journal of Physical Chemistry Letters·Hristo IglevGeorgi N Vayssilov
Feb 24, 2015·Nature Chemistry·Philip E MasonPavel Jungwirth
May 18, 2016·The Journal of Chemical Physics·Madeline H ElkinsDaniel M Neumark
Mar 17, 2016·Annual Review of Physical Chemistry·Vasilios G Stavros, Jan R R Verlet
Mar 30, 2016·Annual Review of Physical Chemistry·Robert SeidelStephen E Bradforth
Nov 21, 2015·Journal of Chemical Theory and Computation·William J GloverBenjamin J Schwartz
Apr 5, 2017·Scientific Reports·Makoto MiuraRyoichi Aogaki
Apr 5, 2017·Annual Review of Physical Chemistry·John M Herbert, Marc P Coons
May 6, 2017·The Journal of Physical Chemistry Letters·Daniel BorgisLászló Turi
Sep 10, 2019·Science Advances·Junichi NishitaniToshinori Suzuki
Sep 8, 2019·The Journal of Chemical Physics·Toshinori Suzuki
Apr 16, 2016·Physical Review Letters·Shutaro KarashimaToshinori Suzuki
Jun 13, 2019·Science Advances·Devendra ManiMartina Havenith
Apr 17, 2020·The Journal of Chemical Physics·Junichi NishitaniToshinori Suzuki
Feb 23, 2020·Annual Review of Physical Chemistry·Loren BanRuth Signorell
Jan 25, 2020·Physical Review Letters·Loren BanR Signorell
May 17, 2017·Science Advances·David LuckhausRuth Signorell
Sep 10, 2019·Physical Chemistry Chemical Physics : PCCP·John M Herbert
Mar 19, 2021·The Journal of Physical Chemistry Letters·Conaill F PerryHans Jakob Wörner
Jun 12, 2021·The Journal of Physical Chemistry. a·Loren BanRuth Signorell
Jul 2, 2021·Journal of the American Chemical Society·Jiyu XuSheng Meng

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.