Rajakrishna, Kalvala; Dhanasekaran, A.; Yuvaraj, N.; Ajoy, K. C.; Venkatraman, B.; Jose, M. T. published an article about the compound: 2,5-Diphenyloxazole( cas:92-71-7,SMILESS:C1(C2=CC=CC=C2)=NC=C(C3=CC=CC=C3)O1 ).Quality Control of 2,5-Diphenyloxazole. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:92-71-7) through the article.
This article describes a new concept of developing a composite plastic scintillator (PS) with better light out and detection efficiency of ionizing radiations by loading high Zeff radioluminescence (RL) phosphor powder. Gamma-ray interaction in PSs has been enhanced due to increased photoelec. absorption in the loaded BaFBr:Eu2+ phosphor powder. RL BaFBr:Eu2+ powder has been synthesized by a high-temperature solidstate diffusion method in reducing atm. Polystyrenebased PS sheets of 250±50μm thickness have been prepared with 2.5-di-Ph oxazole (PPO) and 1.4-bis(5-phenyl-2-oxazolyl) benzene (POPOP) as primary and secondary fluors, resp., mixed with the synthesized phosphor powder in different weight percentages. Radiation detection properties of the composite PS have been studied for alpha, beta, neutron, and gamma radiations of different energies. The composite PS sheet loaded with 20 wt% of phosphor powder showed maximum intensity for RL and photoluminescence (PL). Studies also confirmed a significant increase in the radiation detection efficiency in composite PS for various energies of beta and gamma rays. The lifetime measurement of the composite PS showed same nanosecond lifetime which is appropriate for fast counting and matches closely with the PS without loading. Pulse height anal. for various ionizing radiations of different energies confirmed significant improvement in the detection efficiency of loaded PSs.
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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica