The second harmonic generation (SHG) properties of two MOFs, obtained from fructose and calcium chloride, were studied using a Non-Linear Optics Multimodal microscope. The first-order hyperpolarizability and the second-order susceptibility were calculated at the DFT level of theory. Moreover, a semi-classical approach to non-linearities in the optical behaviour was used in order to determine the features responsible for the SHG. The MOFs were synthesized both in ethanol and by solid–solid interaction, with a simple, rapid and low-cost methodology with no environmental impact, and were characterized with IR and RAMAN spectroscopy and both the single-crystal and powder X-ray diffraction. Both the metal–carbohydrate-based MOFs show an interesting SHG intensity: in particular, compound 1 shows an average SH intensity more than twice that of sucrose, in agreement with the theoretical results. A favourable combination of optical properties, transparency, thermal and chemical stability makes compound 1 a potential candidate for applications in electro-optics devices.

Non-linear optical properties of β-D-fructopyranose calcium chloride MOFs: an experimental and theoretical approach / Marabello, Domenica; Antoniotti, Paola; Benzi, Paola; Canepa, Carlo; Diana, Eliano; Operti, Lorenza; Mortati, Leonardo; Sassi, MARIA PAOLA. - In: JOURNAL OF MATERIALS SCIENCE. - ISSN 0022-2461. - 50:12(2015), pp. 4330-4341. [10.1007/s10853-015-8985-1]

Non-linear optical properties of β-D-fructopyranose calcium chloride MOFs: an experimental and theoretical approach

Mortati, Leonardo;SASSI, MARIA PAOLA
2015

Abstract

The second harmonic generation (SHG) properties of two MOFs, obtained from fructose and calcium chloride, were studied using a Non-Linear Optics Multimodal microscope. The first-order hyperpolarizability and the second-order susceptibility were calculated at the DFT level of theory. Moreover, a semi-classical approach to non-linearities in the optical behaviour was used in order to determine the features responsible for the SHG. The MOFs were synthesized both in ethanol and by solid–solid interaction, with a simple, rapid and low-cost methodology with no environmental impact, and were characterized with IR and RAMAN spectroscopy and both the single-crystal and powder X-ray diffraction. Both the metal–carbohydrate-based MOFs show an interesting SHG intensity: in particular, compound 1 shows an average SH intensity more than twice that of sucrose, in agreement with the theoretical results. A favourable combination of optical properties, transparency, thermal and chemical stability makes compound 1 a potential candidate for applications in electro-optics devices.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11696/52564
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