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  2. School of Engineering
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dc.contributor.authorKim, Seung‐Jun-
dc.contributor.authorSeok, Jin‐Hong-
dc.contributor.authorYu, In Cheol-
dc.contributor.authorLee, Jeong Hyeon-
dc.contributor.authorKim, Won Tae-
dc.contributor.authorShin, Bong‐Rim-
dc.contributor.authorYoon, Ga‐Eun-
dc.contributor.authorLee, Yun‐Sang-
dc.contributor.authorKim, Jin Chul-
dc.contributor.authorYoon, Woojin-
dc.contributor.authorYun, Hoseop-
dc.contributor.authorJazbinsek, Mojca-
dc.contributor.authorKwak, Sang Kyu-
dc.contributor.authorRotermund, Fabian-
dc.contributor.authorKwon, O‐Pil-
dc.date.accessioned2023-02-16T14:16:48Z-
dc.date.available2023-02-16T14:16:48Z-
dc.date.issued2022-
dc.identifier.issn2195-1071de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/27000-
dc.description.abstractThis work reports a series of new organic electro-optic salt crystals possessing unusual orthogonal dipole-coupling assembly that act as dimple-free THz generators. In the new crystals, optically anisotropic aromatic anions introducing highly electronegative fluorinated substituents are orthogonally assembled with optically anisotropic nonlinear optical benzothiazolium cations. These orthogonal cation–anion assembled crystals exhibit strong suppression of intrinsic THz phonon modes along the polar axis, which results in a wide THz absorption-free range from 1.5 to 4.0 THz without substantial absorption peaks. This is sharply in contrast to previous benchmark crystals with parallel cation–anion assembly; for example, in analogous crystals, several strong absorption peaks appear in this frequency range. This absence of strong absorption peaks is attributed to the orthogonal cation–anion dipole coupling assembly, the formation of fluorinate-induced strong interionic interactions, and a high packing ability of uniaxial anions. With top-level macroscopic optical nonlinearity, new orthogonal-dipole assembled crystals make dimple-free THz wave generation possible in the range of about 1.5–4.0 THz, which is very beneficial for characterizing signature peaks related to molecular phonon motions of analytes in THz spectroscopy. Therefore, orthogonal molecular assembly of optically highly anisotropic molecules provides an efficient way to substantially reduce and control intrinsic THz phonon modes.de_CH
dc.language.isoende_CH
dc.publisherWileyde_CH
dc.relation.ispartofAdvanced Optical Materialsde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subject.ddc621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnikde_CH
dc.titleOrthogonal molecular assembly : eliminating intrinsic phonon modes in organic THz generatorsde_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.doi10.1002/adom.202102654de_CH
zhaw.funding.euNode_CH
zhaw.issue23de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.start2102654de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume10de_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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Kim, S.-J., Seok, J.-H., Yu, I. C., Lee, J. H., Kim, W. T., Shin, B.-R., Yoon, G.-E., Lee, Y.-S., Kim, J. C., Yoon, W., Yun, H., Jazbinsek, M., Kwak, S. K., Rotermund, F., & Kwon, O.-P. (2022). Orthogonal molecular assembly : eliminating intrinsic phonon modes in organic THz generators. Advanced Optical Materials, 10(23), 2102654. https://doi.org/10.1002/adom.202102654
Kim, S.-J. et al. (2022) ‘Orthogonal molecular assembly : eliminating intrinsic phonon modes in organic THz generators’, Advanced Optical Materials, 10(23), p. 2102654. Available at: https://doi.org/10.1002/adom.202102654.
S.-J. Kim et al., “Orthogonal molecular assembly : eliminating intrinsic phonon modes in organic THz generators,” Advanced Optical Materials, vol. 10, no. 23, p. 2102654, 2022, doi: 10.1002/adom.202102654.
KIM, Seung‐Jun, Jin‐Hong SEOK, In Cheol YU, Jeong Hyeon LEE, Won Tae KIM, Bong‐Rim SHIN, Ga‐Eun YOON, Yun‐Sang LEE, Jin Chul KIM, Woojin YOON, Hoseop YUN, Mojca JAZBINSEK, Sang Kyu KWAK, Fabian ROTERMUND und O‐Pil KWON, 2022. Orthogonal molecular assembly : eliminating intrinsic phonon modes in organic THz generators. Advanced Optical Materials. 2022. Bd. 10, Nr. 23, S. 2102654. DOI 10.1002/adom.202102654
Kim, Seung‐Jun, Jin‐Hong Seok, In Cheol Yu, Jeong Hyeon Lee, Won Tae Kim, Bong‐Rim Shin, Ga‐Eun Yoon, et al. 2022. “Orthogonal Molecular Assembly : Eliminating Intrinsic Phonon Modes in Organic THz Generators.” Advanced Optical Materials 10 (23): 2102654. https://doi.org/10.1002/adom.202102654.
Kim, Seung-Jun, et al. “Orthogonal Molecular Assembly : Eliminating Intrinsic Phonon Modes in Organic THz Generators.” Advanced Optical Materials, vol. 10, no. 23, 2022, p. 2102654, https://doi.org/10.1002/adom.202102654.


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