مؤتمر
Ultrafast deep-ultraviolet spectroscopy of ionised liquid water
| العنوان: | Ultrafast deep-ultraviolet spectroscopy of ionised liquid water |
|---|---|
| المؤلفون: | Ng, Zi Xuan, Perrett, Samuel, Muhammad Shafiq Mohd Yusof, Loh, Zhi-Heng |
| المساهمون: | Asian Spectroscopy Conference 2020, Institute of Advanced Studies |
| سنة النشر: | 2020 |
| المجموعة: | DR-NTU (Digital Repository at Nanyang Technological University, Singapore) |
| مصطلحات موضوعية: | Science::Chemistry, Ionised Water, Deep-ultraviolet |
| الوصف: | The ionisation of liquid water is a phenomenon that accompanies high-energy radiation with biological systems and aqueous solutions. The study of this process is of fundamental importance to radiation biology and radiation chemistry.[1-3] Upon photoionisation, a water radical cation, H2O●+, is produced upon an ejection of an electron which subsequently relaxes into the localized hydrated electron, ehyd-. The H2O●+ radical cation undergoes a proton transfer reaction to yield a hydroxyl radical, ●OH and a hydronium ion, H3O+. Previous studies have measured the timescale of decay of the H2O●+ radical cation to be 46 fs.[4] To build on that discovery, this study focuses on detecting the formation time of the proton transfer product, the ●OH radical, by monitoring its deep-ultraviolet (DUV) absorption. Herein, this study presents the successful generation of ultrashort DUV pulses, and the ultrafast pump-probe spectroscopic measurements of the absorption of the ●OH radical. ; Published version |
| نوع الوثيقة: | conference object |
| وصف الملف: | application/pdf |
| اللغة: | English |
| العلاقة: | Ng, Z. X., Perrett, S., Muhammad Shafiq Mohd Yusof, & Loh, Z. H. (2020). Ultrafast deep-ultraviolet spectroscopy of ionised liquid water. Proc. Of the 7th Asian Spectroscopy Conference (ASC 2020). doi:10.32655/ASC_8-10_Dec2020.70; https://hdl.handle.net/10356/144352Test |
| DOI: | 10.32655/ASC_8-10_Dec2020.70 |
| الإتاحة: | https://doi.org/10.32655/ASC_8-10_Dec2020.70Test https://hdl.handle.net/10356/144352Test |
| حقوق: | © 2020 Nanyang Technological University. |
| رقم الانضمام: | edsbas.3B83F822 |
| قاعدة البيانات: | BASE |
| ResultId |
1 |
|---|---|
| Header |
edsbas BASE edsbas.3B83F822 863 3 Conference conference 862.616333007813 |
| PLink |
https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsbas&AN=edsbas.3B83F822&custid=s6537998&authtype=sso |
| FullText |
Array
(
[Availability] => 0
)
Array ( [0] => Array ( [Url] => https://doi.org/10.32655/ASC_8-10_Dec2020.70# [Name] => EDS - BASE [Category] => fullText [Text] => View record in BASE [MouseOverText] => View record in BASE ) ) |
| Items |
Array
(
[Name] => Title
[Label] => Title
[Group] => Ti
[Data] => Ultrafast deep-ultraviolet spectroscopy of ionised liquid water
)
Array ( [Name] => Author [Label] => Authors [Group] => Au [Data] => <searchLink fieldCode="AR" term="%22Ng%2C+Zi+Xuan%22">Ng, Zi Xuan</searchLink><br /><searchLink fieldCode="AR" term="%22Perrett%2C+Samuel%22">Perrett, Samuel</searchLink><br /><searchLink fieldCode="AR" term="%22Muhammad+Shafiq+Mohd+Yusof%22">Muhammad Shafiq Mohd Yusof</searchLink><br /><searchLink fieldCode="AR" term="%22Loh%2C+Zhi-Heng%22">Loh, Zhi-Heng</searchLink> ) Array ( [Name] => Author [Label] => Contributors [Group] => Au [Data] => Asian Spectroscopy Conference 2020<br />Institute of Advanced Studies ) Array ( [Name] => DatePubCY [Label] => Publication Year [Group] => Date [Data] => 2020 ) Array ( [Name] => Subset [Label] => Collection [Group] => HoldingsInfo [Data] => DR-NTU (Digital Repository at Nanyang Technological University, Singapore) ) Array ( [Name] => Subject [Label] => Subject Terms [Group] => Su [Data] => <searchLink fieldCode="DE" term="%22Science%3A%3AChemistry%22">Science::Chemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Ionised+Water%22">Ionised Water</searchLink><br /><searchLink fieldCode="DE" term="%22Deep-ultraviolet%22">Deep-ultraviolet</searchLink> ) Array ( [Name] => Abstract [Label] => Description [Group] => Ab [Data] => The ionisation of liquid water is a phenomenon that accompanies high-energy radiation with biological systems and aqueous solutions. The study of this process is of fundamental importance to radiation biology and radiation chemistry.[1-3] Upon photoionisation, a water radical cation, H2O●+, is produced upon an ejection of an electron which subsequently relaxes into the localized hydrated electron, ehyd-. The H2O●+ radical cation undergoes a proton transfer reaction to yield a hydroxyl radical, ●OH and a hydronium ion, H3O+. Previous studies have measured the timescale of decay of the H2O●+ radical cation to be 46 fs.[4] To build on that discovery, this study focuses on detecting the formation time of the proton transfer product, the ●OH radical, by monitoring its deep-ultraviolet (DUV) absorption. Herein, this study presents the successful generation of ultrashort DUV pulses, and the ultrafast pump-probe spectroscopic measurements of the absorption of the ●OH radical. ; Published version ) Array ( [Name] => TypeDocument [Label] => Document Type [Group] => TypDoc [Data] => conference object ) Array ( [Name] => Format [Label] => File Description [Group] => SrcInfo [Data] => application/pdf ) Array ( [Name] => Language [Label] => Language [Group] => Lang [Data] => English ) Array ( [Name] => NoteTitleSource [Label] => Relation [Group] => SrcInfo [Data] => Ng, Z. X., Perrett, S., Muhammad Shafiq Mohd Yusof, & Loh, Z. H. (2020). Ultrafast deep-ultraviolet spectroscopy of ionised liquid water. Proc. Of the 7th Asian Spectroscopy Conference (ASC 2020). doi:10.32655/ASC_8-10_Dec2020.70; https://hdl.handle.net/10356/144352 ) Array ( [Name] => DOI [Label] => DOI [Group] => ID [Data] => 10.32655/ASC_8-10_Dec2020.70 ) Array ( [Name] => URL [Label] => Availability [Group] => URL [Data] => https://doi.org/10.32655/ASC_8-10_Dec2020.70<br />https://hdl.handle.net/10356/144352 ) Array ( [Name] => Copyright [Label] => Rights [Group] => Cpyrght [Data] => © 2020 Nanyang Technological University. ) Array ( [Name] => AN [Label] => Accession Number [Group] => ID [Data] => edsbas.3B83F822 ) |
| RecordInfo |
Array
(
[BibEntity] => Array
(
[Identifiers] => Array
(
[0] => Array
(
[Type] => doi
[Value] => 10.32655/ASC_8-10_Dec2020.70
)
)
[Languages] => Array
(
[0] => Array
(
[Text] => English
)
)
[Subjects] => Array
(
[0] => Array
(
[SubjectFull] => Science::Chemistry
[Type] => general
)
[1] => Array
(
[SubjectFull] => Ionised Water
[Type] => general
)
[2] => Array
(
[SubjectFull] => Deep-ultraviolet
[Type] => general
)
)
[Titles] => Array
(
[0] => Array
(
[TitleFull] => Ultrafast deep-ultraviolet spectroscopy of ionised liquid water
[Type] => main
)
)
)
[BibRelationships] => Array
(
[HasContributorRelationships] => Array
(
[0] => Array
(
[PersonEntity] => Array
(
[Name] => Array
(
[NameFull] => Ng, Zi Xuan
)
)
)
[1] => Array
(
[PersonEntity] => Array
(
[Name] => Array
(
[NameFull] => Perrett, Samuel
)
)
)
[2] => Array
(
[PersonEntity] => Array
(
[Name] => Array
(
[NameFull] => Muhammad Shafiq Mohd Yusof
)
)
)
[3] => Array
(
[PersonEntity] => Array
(
[Name] => Array
(
[NameFull] => Loh, Zhi-Heng
)
)
)
[4] => Array
(
[PersonEntity] => Array
(
[Name] => Array
(
[NameFull] => Asian Spectroscopy Conference 2020
)
)
)
[5] => Array
(
[PersonEntity] => Array
(
[Name] => Array
(
[NameFull] => Institute of Advanced Studies
)
)
)
)
[IsPartOfRelationships] => Array
(
[0] => Array
(
[BibEntity] => Array
(
[Dates] => Array
(
[0] => Array
(
[D] => 01
[M] => 01
[Type] => published
[Y] => 2020
)
)
[Identifiers] => Array
(
[0] => Array
(
[Type] => issn-locals
[Value] => edsbas
)
)
)
)
)
)
)
|
| IllustrationInfo |