Identification of Carbon Dots in Waste Cooking Oil
Sulhadi, - (2015) Identification of Carbon Dots in Waste Cooking Oil. Advanced Materials Research, 1123. pp. 402-405.
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Abstract
We found carbon dots (C-Dots) in waste cooking oil. The C-Dots were formed as a result of heating process. The heating process caused carbon chains in the waste oil were cut off and suffered rearrangements (polymerization) of carbon chains that accompanied with the process of carbonization. Luminescence of C-Dots was observed while C-Dots in waste oil were irradiated by UV light and the emission was radiated in the visible light area with yellow-greenish color. The heating process with different temperatures caused changes in the structure and the band gap energy. Structural changes were observed from the FTIR spectra where the intensity of functional groups C OH, C H and C = O on a degraded waste oil. While the band gap energy of C-Dots displaces due to thermal processes with different heating temperature. The band gap energy shifted from 0.5 to 2 eV at heating temperature of 300οC. This study showed that we found an alternative raw material for luminescence materials.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | carbon dots, nanoparticles, luminescence, cooking oil. |
| Subjects: | Q Science > QC Physics > Geophysics |
| Fakultas: | Fakultas Matematika dan Ilmu Pengetahuan Alam > FISIKA |
| Depositing User: | Setyarini UPT Perpus |
| Date Deposited: | 23 Nov 2022 02:19 |
| Last Modified: | 23 Nov 2022 02:19 |
| URI: | http://lib.unnes.ac.id/id/eprint/53362 |
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