Kwong, Huey Chong and Rakesh, M. S. and Chidan Kumar, C. S. and Maidur, Shivaraj R. and Patil, P. S. and Quah, C. K. and Win, Yip-Foo and Parlak, C. and Chandraju, S. (2018) Structure–property relation and third-order nonlinear optical studies of two new halogenated chalcones. Zeitschrift fur Kristallographie Crystalline Materials, 233 (5). pp. 349-360. ISSN 2196-7105
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In the present work, the crystal structure and third-order nonlinear optical (NLO) properties of two novel chalcone derivatives namely (E)-3-(4-bromo-2-fluorophenyl)-1-(3,4-dimethoxyphenyl)prop-2-en-1-one (I) and (E)-3-(4-bromophenyl)-1-(3,4-dimethoxyphenyl)prop-2-en-1-one (II) are investigated by analyzing the packing pattern, intermolecular interaction, Hirshfeld surface analysis and standard Z-scan technique with continuous wave laser at 532 nm. Both compounds are donor-acceptor-acceptor (D–A–A) type intramolecular charge transferring molecule which crystallized in centrosymmetric space group. The existence of C–H···O hydrogen bonds in I and Br···O short contact interactions in II play important roles in their packing pattern and NLO properties. The molecules reveal a strong nonlinear refraction (NLR) and nonlinear susceptibility χ(3) when the donor and acceptor are arranged side-by-side as in compound I. And as the donor and acceptor are aligned on a head-to-head alignment, the molecules divulge a strong third-order nonlinear absorption (NLA) and limiting threshold (LT). The Z-scan results indicate that both compounds would be potential applicants in the development of NLO devices.
| Item Type: | Article |
|---|---|
| Subjects: | C Chemical Science > Chemistry |
| Divisions: | PG Centre Mandya |
| Depositing User: | Manjula P Library Assistant |
| Date Deposited: | 09 Jul 2019 11:24 |
| Last Modified: | 09 Jul 2019 11:24 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/5019 |
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