Lintang, H. O. and Roslan, N. A. and Ramlan, N. and Shamsuddin, M. and Yuliati, L. (2016) Photocatalyst composites of luminescent trinuclear copper(I) pyrazolate complexes/titanium oxide for degradation of 2,4-dichlorophenoxyacetic acid. In: 28th Regional Conference on Solid State Science and Technology, RCSSST 2014, 25-27 Nov 2014, Pahang, Malaysia.
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Abstract
Here phosphorescent trinuclear copper(I) pyrazolate complexes ([Cu3Pz3]), synthesized from 3,5-dimethyl and 4-(3,5-dimethoxybenzyl)-3,5-dimethyl pyrazole ligands for complexes [Cu3Pz3]1 and [Cu3Pz3]2, were successfully impregnated into TiO2 with concentration of 0.1 mol%. These luminescent photocatalyst composites ([Cu3Pz3]1 or 2/TiO2) gave 60% and 49% of dichlorophenoxyacetic acid (2,4-D) degradation after 1 h for [Cu3Pz3]1/TiO2 and [Cu3Pz3]2/TiO2, while TiO2 only showed 48%. The higher activity observed on [Cu3Pz3]1/TiO2 than the TiO2 would come from the efficient reduction of electron-hole recombination, while less dispersion of complex [Cu3Pz3]2 with more rigid structure compared to complex [Cu3Pz3]1 gave similar activity of the [Cu3Pz3]2/TiO2 to the TiO2.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | 2,4-Dichlorophenoxyacetic acid, Composite, Degradation, Metal complex, Photocatalyst |
| Subjects: | Q Science > QD Chemistry |
| Divisions: | Science |
| ID Code: | 73536 |
| Deposited By: | Mohd Zulaihi Zainudin |
| Deposited On: | 26 Nov 2017 05:30 |
| Last Modified: | 26 Nov 2017 05:30 |
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