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dc.contributor.authorLee, Seung-Jun-
dc.contributor.authorKang, Bong Joo-
dc.contributor.authorShin, Myeong-Hoon-
dc.contributor.authorLee, Seung-Chul-
dc.contributor.authorLee, Seung-Heon-
dc.contributor.authorJazbinsek, Mojca-
dc.contributor.authorYun, Hoseop-
dc.contributor.authorKim, Dongwook-
dc.contributor.authorRotermund, Fabian-
dc.contributor.authorKwon, O-Pil-
dc.date.accessioned2019-02-18T18:09:05Z-
dc.date.available2019-02-18T18:09:05Z-
dc.date.issued2018-
dc.identifier.issn2195-1071de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/15443-
dc.description.abstractThis study reports on highly efficient nonlinear optical ionic quinolinium crystals with various aromatic anions possessing different spatial volume for controlling the space‐filling characteristics and introducing halogen substituents having simultaneous electron‐withdrawing and electron‐donating effects. The quinolinium crystals with chloro and bromo substituents having simultaneous electron‐withdrawing and electron‐donating effects on anions exhibit perfect molecular ordering for optimizing the diagonal second‐order nonlinear optical response, while the fluoro substituent having relatively small electron‐donating effects on anions results in the absence of nonlinear optical response. Compared to widely used 4‐methylbenzenesulfonate, the chloro substituent on 4‐chlorobenzenesulfonate (CBS) results in decreasing π–π interactions between cations and anions. This leads on the one hand to an enhanced macroscopic nonlinear response and on the other hand to an increased strength of hydrogen bonds between anions, resulting in strong suppression of THz phonon vibration. In THz generation measurements with pump pulses at 1300 nm, 0.39 mm thick 2‐(4‐hydroxystyryl)‐1‐methylquinolinium 4‐chlorobenzenesulfonate (OHQ‐CBS) crystal exhibits excellent optical‐to‐THz conversion characteristics with 27 times higher peak‐to‐peak electric field and 3 times broader bandwidth than the well‐known 1.0 mm thick inorganic standard ZnTe crystal. In addition, compared to state‐of‐the‐art analogous quinolinium crystals with 4‐methylbenzenesulfonate, OHQ‐CBS crystal exhibits 1.8 times higher field.de_CH
dc.language.isoende_CH
dc.publisherWileyde_CH
dc.relation.ispartofAdvanced Optical Materialsde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subject.ddc530: Physikde_CH
dc.subject.ddc620.11: Werkstoffede_CH
dc.titleEfficient optical-to-THz conversion organic crystals with simultaneous electron withdrawing and donating halogen substituentsde_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.201700930de_CH
zhaw.funding.euNode_CH
zhaw.issue2de_CH
zhaw.originated.zhawYesde_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume6de_CH
zhaw.publication.reviewNot specifiedde_CH
zhaw.funding.snfIZKSZ2_162129de_CH
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Lee, S.-J., Kang, B. J., Shin, M.-H., Lee, S.-C., Lee, S.-H., Jazbinsek, M., Yun, H., Kim, D., Rotermund, F., & Kwon, O.-P. (2018). Efficient optical-to-THz conversion organic crystals with simultaneous electron withdrawing and donating halogen substituents. Advanced Optical Materials, 6(2). https://doi.org/10.1002/adom.201700930
Lee, S.-J. et al. (2018) ‘Efficient optical-to-THz conversion organic crystals with simultaneous electron withdrawing and donating halogen substituents’, Advanced Optical Materials, 6(2). Available at: https://doi.org/10.1002/adom.201700930.
S.-J. Lee et al., “Efficient optical-to-THz conversion organic crystals with simultaneous electron withdrawing and donating halogen substituents,” Advanced Optical Materials, vol. 6, no. 2, 2018, doi: 10.1002/adom.201700930.
LEE, Seung-Jun, Bong Joo KANG, Myeong-Hoon SHIN, Seung-Chul LEE, Seung-Heon LEE, Mojca JAZBINSEK, Hoseop YUN, Dongwook KIM, Fabian ROTERMUND und O-Pil KWON, 2018. Efficient optical-to-THz conversion organic crystals with simultaneous electron withdrawing and donating halogen substituents. Advanced Optical Materials. 2018. Bd. 6, Nr. 2. DOI 10.1002/adom.201700930
Lee, Seung-Jun, Bong Joo Kang, Myeong-Hoon Shin, Seung-Chul Lee, Seung-Heon Lee, Mojca Jazbinsek, Hoseop Yun, Dongwook Kim, Fabian Rotermund, and O-Pil Kwon. 2018. “Efficient Optical-to-THz Conversion Organic Crystals with Simultaneous Electron Withdrawing and Donating Halogen Substituents.” Advanced Optical Materials 6 (2). https://doi.org/10.1002/adom.201700930.
Lee, Seung-Jun, et al. “Efficient Optical-to-THz Conversion Organic Crystals with Simultaneous Electron Withdrawing and Donating Halogen Substituents.” Advanced Optical Materials, vol. 6, no. 2, 2018, https://doi.org/10.1002/adom.201700930.


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