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  2. School of Engineering
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dc.contributor.authorShin, Bong-Rim-
dc.contributor.authorKim, Se-In-
dc.contributor.authorKim, Dongwook-
dc.contributor.authorJazbinsek, Mojca-
dc.contributor.authorYoon, Woojin-
dc.contributor.authorYun, Hoseop-
dc.contributor.authorYu, In Cheol-
dc.contributor.authorRotermund, Fabian-
dc.contributor.authorKwon, O-Pil-
dc.date.accessioned2023-02-16T14:21:42Z-
dc.date.available2023-02-16T14:21:42Z-
dc.date.issued2022-
dc.identifier.issn0030-3992de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/27003-
dc.description.abstractWe report a new π-conjugated cationic chromophore based on phenolic N-pyrimidinyl stilbazolium and its corresponding non-centrosymmetric crystals. The new cationic chromophore, HPR (4-(4-hydroxy-3-methoxystyryl)-1-(pyrimidin-2-yl)pyridin-1-ium), consists of a strong electron donor, the 4-hydroxy-3-methoxyphenyl group based on two electron-donating groups, and a strong electron acceptor, the N-pyrimidinyl pyridinium group based on two electron-withdrawing groups. The HPR chromophore possesses large molecular optical nonlinearity with first hyperpolarizability of up to 264 × 10−30 esu, which is significantly larger than that of the benchmark stilbazolium chromophores. In solution, the HPR chromophore showed co-existence of phenol- and phenolate-like forms with two absorption bands (∼460 and ∼610 nm, respectively). In the crystalline state, all HPR-based derivatives with three different counter anions, N2S (naphthalene-2-sulfonate), VBS (4-vinylbenzenesulfonate), and NBS (3-nitrobenzenesulfonate), exhibit a macroscopic second-order nonlinear optical response. HPR-N2S crystals exhibit non-centrosymmetric monoclinic Pn space group symmetry and large off-diagonal effective macroscopic optical nonlinearity (94 × 10−30 esu), which is approximately four times higher than that of the benchmark stilbazolium crystals. Therefore, the newly developed HPR-based crystals are highly promising materials for second-order nonlinear optical applications.de_CH
dc.language.isoende_CH
dc.publisherElsevierde_CH
dc.relation.ispartofOptics & Laser Technologyde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectNonlinear opticsde_CH
dc.subjectChromophorede_CH
dc.subjectOrganic crystalde_CH
dc.subjectStilbazoliumde_CH
dc.subject.ddc621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnikde_CH
dc.titleNew N-pyrimidinyl stilbazolium crystals for second-order nonlinear opticsde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitute of Computational Physics (ICP)de_CH
dc.identifier.doi10.1016/j.optlastec.2022.108454de_CH
zhaw.funding.euNode_CH
zhaw.issue108454de_CH
zhaw.originated.zhawYesde_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume156de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.funding.snf188194de_CH
zhaw.webfeedPhotonicsde_CH
zhaw.funding.zhawMolecular Phonon-Mode Engineering for All-Organic Gap-Free THz Photonicsde_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Shin, B.-R., Kim, S.-I., Kim, D., Jazbinsek, M., Yoon, W., Yun, H., Yu, I. C., Rotermund, F., & Kwon, O.-P. (2022). New N-pyrimidinyl stilbazolium crystals for second-order nonlinear optics. Optics & Laser Technology, 156(108454). https://doi.org/10.1016/j.optlastec.2022.108454
Shin, B.-R. et al. (2022) ‘New N-pyrimidinyl stilbazolium crystals for second-order nonlinear optics’, Optics & Laser Technology, 156(108454). Available at: https://doi.org/10.1016/j.optlastec.2022.108454.
B.-R. Shin et al., “New N-pyrimidinyl stilbazolium crystals for second-order nonlinear optics,” Optics & Laser Technology, vol. 156, no. 108454, 2022, doi: 10.1016/j.optlastec.2022.108454.
SHIN, Bong-Rim, Se-In KIM, Dongwook KIM, Mojca JAZBINSEK, Woojin YOON, Hoseop YUN, In Cheol YU, Fabian ROTERMUND und O-Pil KWON, 2022. New N-pyrimidinyl stilbazolium crystals for second-order nonlinear optics. Optics & Laser Technology. 2022. Bd. 156, Nr. 108454. DOI 10.1016/j.optlastec.2022.108454
Shin, Bong-Rim, Se-In Kim, Dongwook Kim, Mojca Jazbinsek, Woojin Yoon, Hoseop Yun, In Cheol Yu, Fabian Rotermund, and O-Pil Kwon. 2022. “New N-Pyrimidinyl Stilbazolium Crystals for Second-Order Nonlinear Optics.” Optics & Laser Technology 156 (108454). https://doi.org/10.1016/j.optlastec.2022.108454.
Shin, Bong-Rim, et al. “New N-Pyrimidinyl Stilbazolium Crystals for Second-Order Nonlinear Optics.” Optics & Laser Technology, vol. 156, no. 108454, 2022, https://doi.org/10.1016/j.optlastec.2022.108454.


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