Optical Kerr Effect of Liquid Acetonitrile Probed by Femtosecond Time-Resolved X-ray Liquidography

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dc.contributor.authorKi, Hosungko
dc.contributor.authorChoi, Seungjooko
dc.contributor.authorKim, Jungminko
dc.contributor.authorChoi, Eun Hyukko
dc.contributor.authorLee, Seonggonko
dc.contributor.authorLee, Yunbeomko
dc.contributor.authorYoon, Kihwanko
dc.contributor.authorAhn, Chi Wooko
dc.contributor.authorAhn, Doo-Sikko
dc.contributor.authorLee, Jae Hyukko
dc.contributor.authorPark, Jaekuko
dc.contributor.authorEom, Intaeko
dc.contributor.authorKim, Minseokko
dc.contributor.authorChun, Sae Hwanko
dc.contributor.authorKim, Joonghanko
dc.contributor.authorIhee, Hyotcherlko
dc.contributor.authorKim, Jeonghoko
dc.date.accessioned2021-09-28T02:10:13Z-
dc.date.available2021-09-28T02:10:13Z-
dc.date.created2021-09-28-
dc.date.created2021-09-28-
dc.date.created2021-09-28-
dc.date.issued2021-09-
dc.identifier.citationJOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.143, no.35, pp.14261 - 14273-
dc.identifier.issn0002-7863-
dc.identifier.urihttp://hdl.handle.net/10203/287907-
dc.description.abstractOptical Kerr effect (OKE) spectroscopy is a method that measures the time-dependent change of the birefringence induced by an optical laser pulse using another optical laser pulse and has been used often to study the ultrafast dynamics of molecular liquids. Here we demonstrate an alternative method, femtosecond time-resolved X-ray liquidography (fs-TRXL), where the microscopic structural motions related to the OKE response can be monitored using a different type of probe, i.e., X-ray solution scattering. By applying fs-TRXL to acetonitrile and a dye solution in acetonitrile, we demonstrate that different types of molecular motions around photoaligned molecules can be resolved selectively, even without any theoretical modeling, based on the anisotropy of two-dimensional scattering patterns and extra structural information contained in the q-space scattering data. Specifically, the dynamics of reorientational (libration and orientational diffusion) and translational (interaction-induced motion) motions are captured separately by anisotropic and isotropic scattering signals, respectively. Furthermore, the two different types of reorientational motions are distinguished from each other by their own characteristic scattering patterns and time scales. The measured time-resolved scattering signals are in excellent agreement with the simulated scattering signals based on a molecular dynamics simulation for plausible molecular configurations, providing the detailed structural description of the OKE response in liquid acetonitrile.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.titleOptical Kerr Effect of Liquid Acetonitrile Probed by Femtosecond Time-Resolved X-ray Liquidography-
dc.typeArticle-
dc.identifier.wosid000696018700028-
dc.identifier.scopusid2-s2.0-85114449058-
dc.type.rimsART-
dc.citation.volume143-
dc.citation.issue35-
dc.citation.beginningpage14261-
dc.citation.endingpage14273-
dc.citation.publicationnameJOURNAL OF THE AMERICAN CHEMICAL SOCIETY-
dc.identifier.doi10.1021/jacs.1c06088-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorIhee, Hyotcherl-
dc.contributor.nonIdAuthorChoi, Seungjoo-
dc.contributor.nonIdAuthorYoon, Kihwan-
dc.contributor.nonIdAuthorAhn, Doo-Sik-
dc.contributor.nonIdAuthorLee, Jae Hyuk-
dc.contributor.nonIdAuthorPark, Jaeku-
dc.contributor.nonIdAuthorEom, Intae-
dc.contributor.nonIdAuthorKim, Minseok-
dc.contributor.nonIdAuthorChun, Sae Hwan-
dc.contributor.nonIdAuthorKim, Joonghan-
dc.contributor.nonIdAuthorKim, Jeongho-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusULTRAFAST SOLVATION DYNAMICS-
dc.subject.keywordPlusLOW-FREQUENCY MODES-
dc.subject.keywordPlusINTERMOLECULAR DYNAMICS-
dc.subject.keywordPlusPOLARIZABILITY RESPONSE-
dc.subject.keywordPlusMOLECULAR-STRUCTURES-
dc.subject.keywordPlusSTRUCTURAL DYNAMICS-
dc.subject.keywordPlusEFFECT SPECTROSCOPY-
dc.subject.keywordPlusEXCITED-STATE-
dc.subject.keywordPlusSCATTERING-
dc.subject.keywordPlusPOLAR-
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