Abstract
1,1,4,4-Tetraphenyl-1,3-Butadiene (TPB) organic scintillation single crystal was grown by solution growth technique. The grown crystal is found to crystallize in monoclinic structure with P21 space group which is ascertained from the single crystal XRD studies. FTIR spectroscopic analysis elucidates the presence of expected vibrational modes of aromatic groups present in TPB material. Results from TG/DSC studies illustrate that the thermal stability of TPB crystal exist up to 232.9 °C. The refractive index of the title crystal is revealed to be 1.615. UV–Vis spectral analysis is used to understand the linear excitation property of the crystal. The broad intense peak at 439 nm in photoluminescence spectrum of TPB single crystal exhibits its high purity and the emission wavelength. Fluorescence lifetime determined by TCSPC method for TPB crystal shows a short decay time (τ). Etching analysis revealed the regular pattern of etch pits and triangular in shape.
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