Szczegóły publikacji
Opis bibliograficzny
Effect of solvents, catalysts and drying agent addition on the thermal stability of zinc phthalocyanine in the hybrid sol–gel matrix / Barbara POPANDA, Marcin ŚRODA, Wojciech Gieszczyk // Journal of Thermal Analysis and Calorimetry ; ISSN 1388-6150. — Tytuł poprz.: Journal of Thermal Analysis ; ISSN: 0368-4466. — 2022 — vol. 147 iss. 18, s. 9987–9997. — Bibliogr. s. 9996–9997, Abstr. — Publikacja dostępna online od: 2022-05-16
Autorzy (3)
- AGHPopanda Barbara
- AGHŚroda Marcin
- Gieszczyk Wojciech
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 141970 |
|---|---|
| Data dodania do BaDAP | 2022-09-07 |
| Tekst źródłowy | URL |
| DOI | 10.1007/s10973-022-11373-w |
| Rok publikacji | 2022 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Czasopismo/seria | Journal of Thermal Analysis and Calorimetry |
Abstract
Hybrid materials based on zinc phthalocyanine (ZnPc) and modified silica glass matrix (Organically Modified Silicate; ORMOSIL) were synthesized by the sol-gel method using protic solvents (methanol, ethanol, isopropanol, butanol) and aprotic solvents (N,N-dimethylformamide; DMF, tetrahydrofuran, (THF); dichloromethane (DMC)) and non-polar 1,4-dioxane. The effect of sol-gel route with NaOH or NH4OH addition (a single stage process) and acid-alkaline environment based on HCl-NaOH (a two-stage process) was analyzed over time. ZnPc stability in the ORMOSIL sols was monitored by UV-Vis spectroscopy. The highest stability of zinc phthalocyanine in the glass was obtained for synthesis with isopropanol. The lowest stability of ZnPc is observed when the non-polar and DMF are used as a solvent for the synthesis. The thermal stability of the materials was studied by TG-DSC methods. Additional influence of organic base such as pyridine was analyzed. Dissolution of ZnPc in the pyridine causes cessation of degradation for two months. Thermoluminescence (TL) study showed significant impact of the solvent on intensity of the ZnPc signal in the UV range.
