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Crystals 2019, 9(4), 207; https://doi.org/10.3390/cryst9040207

Growth and Property Investigations of Two Organic–Inorganic Hybrid Molecular Crystals with High Thermal Stability: 4-Iodoanilinium perchlorate 18-crown-6 and 4-Iodoanilinium Borofluorate 18-crown-6

1
Shandong Province Key Laboratory of Laser Polarization and Information Technology, School of Physics and Engineering, Qufu Normal University, Qufu 273165, China
2
School of Chemistry and chemical Engineering, Qufu Normal University, Qufu 273165, China
3
State Key Laboratory of Crystal Materials, Institute of Crystal Materials, Shandong University, Jinan 250100, China
*
Author to whom correspondence should be addressed.
Received: 15 March 2019 / Revised: 6 April 2019 / Accepted: 11 April 2019 / Published: 15 April 2019
(This article belongs to the Section Crystalline Materials)
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Abstract

Two new organic–inorganic hybrid molecular single crystals, 4-Iodoanilinium perchlorate 18-crown-6 (1) and 4-Iodoanilinium borofluorate 18-crown-6 (2), with large sizes and high thermal stability were successfully synthesized by solution method. Their structures, phase purities, thermal stability, dielectric, absorption and fluorescence spectra were systematically investigated for potential applications. Compounds 1 and 2 crystallize in orthorhombic crystal system, in same space group, namely Pnma. The thermal measurements shown 1 and 2 maintain high thermal stability up to 150 °C. The temperature dependency of dielectric constant was studied, and no distinct anomaly was observed. The band gap were calculated to be 3.38 eV and 3.57 eV for 1 and 2, respectively, slightly smaller than those of layer perovskite (benzylammonium)2PbCl4 semiconducting materials, which have potential applications in optoelectronic detection field. The investigations throw light on the semiconductor properties of organic–inorganic hybrid crown type material and provide two types of crown compounds with high thermal stability. View Full-Text
Keywords: crystal growth; organic–inorganic hybrid; supramolecular single crystals; optical properties; high thermal stability crystal growth; organic–inorganic hybrid; supramolecular single crystals; optical properties; high thermal stability
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Zhang, L.; Kang, T.; Zhao, F.; Wang, D.; Shen, C.; Wang, J. Growth and Property Investigations of Two Organic–Inorganic Hybrid Molecular Crystals with High Thermal Stability: 4-Iodoanilinium perchlorate 18-crown-6 and 4-Iodoanilinium Borofluorate 18-crown-6. Crystals 2019, 9, 207.

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