Category: thiazole. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 2,5-Diphenyloxazole, is researched, Molecular C15H11NO, CAS is 92-71-7, about Enhancement in photoluminescence properties of organic compound PS/PPO by cerium fluoride nanoparticles doping. Author is Karimi, M.; Raeisi, M.; Bagherzadeh, M.; Payami, F..
Herein, a new polymeric nanocomposite of 2,5-diphenyloxazole (PPO) and polystyrene (PS) doped with cerium fluoride (CeF3) nanoparticles (PS/PPO/CeF3) was prepared, characterized and its photoluminescence property was reported for the first time. The PS as a base matrix and PPO as a fluor were chose for a scintillator solution substrate and CeF3 nanoparticles dispersed into it to construct a new nanocomposite scintillator. The PS liquid polymeric matrix with 0.5 wt% of PPO was loaded with different percentage of CeF3 nanoparticles. Structural characterizations showed successful preparation of nanocomposites and a mean size of CeF3 nanoparticles as (13 ± 3) nm in the base polymer matrix. The measured photoluminescence showed an enhancement about 3 times in comparison to PS/PPO composite when 10% of CeF3 nanoparticles doped into the polymeric composite matrix under UV excitation. This effect is due to fluorescence resonance energy transfer in Ce3+ ions (5d → 4f transition energy) to the PPO within the PS/PPO/CeF3 nanocomposite. Observed results were presented and discussed.
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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica