Two Novel Titanium(IV)-Based Compounds Supported by Thiacalix[4]arene: Syntheses, Structures and Photocatalytic Properties
| Autor: | Rui-Ting Wen, Yanli Gai, Wen-Shu Zhang, Kecai Xiong, Chun-Xue Zhuo, Yu-Die Zhou, Xue-Yan Zhao, Yi Zhu, Miao Wu |
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| Rok vydání: | 2020 |
| Předmět: |
Ligand
chemistry.chemical_element Nanochemistry 02 engineering and technology General Chemistry 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences Biochemistry 0104 chemical sciences Catalysis chemistry.chemical_compound Crystallography chemistry Octahedron Photocatalysis Molecule General Materials Science 0210 nano-technology Methylene blue Titanium |
| Zdroj: | Journal of Cluster Science. 32:1075-1081 |
| ISSN: | 1572-8862 1040-7278 |
| Popis: | Two novel compounds, named [Ti2Na4(BTC4A)2(μ6-O2−)(CH3O−)2·2H2O·2DMA] (1) and [Ti4(BTC4A)(OH−)4(EtO−)6(iPrO−)2] (2) (H4BTC4A= p-tert-Butylthiacalix [4] arene), have been synthesized and characterized. Single crystal diffraction shows that compound 1 features a dumbbell-like molecule based on an octahedral Ti2Na4 core and two BTC4A4− ligands with cone conformation. Compound 2 is composed of a bi-titanium(IV) unit and a BTC4A4− ligand with 1,2-alternate conformation. The estimated optical bandgaps of compounds 1 and 2 are 2.87 and 1.97 eV, respectively, which are smaller than that of TiO2. Moreover, compounds 1 and 2 display much higher and more efficient photocatalytic degradation abilities for methylene blue than TiO2 under visible light irradiation. |
| Databáze: | OpenAIRE |
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