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New benzothiazolium crystals with very large off-diagonal optical nonlinearity
  • Kim, Seung Jun ;
  • Yu, In Cheol ;
  • Lee, Ji Ah ;
  • Kim, Won Tae ;
  • Jazbinsek, Mojca ;
  • Yoon, Woojin ;
  • Yun, Hoseop ;
  • Rotermund, Fabian ;
  • Kwon, O. Pil
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dc.contributor.authorKim, Seung Jun-
dc.contributor.authorYu, In Cheol-
dc.contributor.authorLee, Ji Ah-
dc.contributor.authorKim, Won Tae-
dc.contributor.authorJazbinsek, Mojca-
dc.contributor.authorYoon, Woojin-
dc.contributor.authorYun, Hoseop-
dc.contributor.authorRotermund, Fabian-
dc.contributor.authorKwon, O. Pil-
dc.date.issued2021-08-01-
dc.identifier.issn1873-3743-
dc.identifier.urihttps://aurora.ajou.ac.kr/handle/2018.oak/32032-
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85106384988&origin=inward-
dc.description.abstractIn this study, we develop new organic benzothiazolium crystals possessing very large off-diagonal optical nonlinearity. In these crystals, benzothiazolium-based 2-(4-(4-(hydroxymethyl)piperidin-1-yl)styryl)-3-methylbenzothiazol-3-ium (PMB) cations with large molecular optical nonlinearity are incorporated with two anions: 4-(trifluoromethoxy)benzenesulfonate (TFO) with an orthogonal non-planar shape and 5-bromothiophene-2-sulfonate (BTS) with a planar shape. Both PMB-TFO and PMB-BTS crystals exhibit state-of-the-art off-diagonal effective hyperpolarizability (~105 × 10−30 esu) that results from the V-shape and X-shape alignments of PMB chromophores, respectively. Newly developed PMB crystals indicate excellent characteristics for second-order nonlinear optical applications such as difference-frequency generation (e.g. optical rectification) and sum-frequency generation (e.g. second-harmonic generation), which are comparable to current benchmark organic crystals.-
dc.description.sponsorshipS. J. Kim and I. C. Yu contributed equally to this work. This work has been supported by the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning, Korea (No. 2021R1A5A6002853, 2021R1A2C1005012, 2019K1A3A1A14057973, 2019R1A2C3003504, 2020R1A4A2002828) and Swiss National Science Foundation (SNSF), Switzerland (No. IZKSZ2_188194). X-ray structural analysis was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2019R1I1A2A01058066).-
dc.language.isoeng-
dc.publisherElsevier Ltd-
dc.subject.meshBenzenesulfonates-
dc.subject.meshBromothiophenes-
dc.subject.meshCrystal possessing-
dc.subject.meshNon-planar shapes-
dc.subject.meshOptical nonlinearity-
dc.subject.meshOrganic crystal-
dc.subject.meshOrganics-
dc.subject.meshPlanar shape-
dc.subject.meshSulphonates-
dc.subject.meshTHz wave generation-
dc.titleNew benzothiazolium crystals with very large off-diagonal optical nonlinearity-
dc.typeArticle-
dc.citation.titleDyes and Pigments-
dc.citation.volume192-
dc.identifier.bibliographicCitationDyes and Pigments, Vol.192-
dc.identifier.doi10.1016/j.dyepig.2021.109433-
dc.identifier.scopusid2-s2.0-85106384988-
dc.identifier.urlhttp://www.journals.elsevier.com/dyes-and-pigments/-
dc.subject.keywordChromophores-
dc.subject.keywordNonlinear optics-
dc.subject.keywordOrganic crystals-
dc.subject.keywordTHz wave generation-
dc.type.otherArticle-
dc.identifier.pissn0143-7208-
dc.description.isoafalse-
dc.subject.subareaChemical Engineering (all)-
dc.subject.subareaProcess Chemistry and Technology-
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