Abstract

The chapter conveys a brief overview on organic semiconductor and specific perspective of methoxy substituted 2, 4-diphenyl quinoline an optoelectronic luminescent material by means of their structural, photo-physical and chemical properties. The major objective of the present chapter is built on the structural changes after thermal treatment in Ar-atmosphere leading to improved fluorescence intensity. The phosphors has been intensively studied by using X-ray diffraction Fourier transform spectroscopy (FTIR), thermal analysis (TGA/DTA), UV-Vis absorption spectroscopy, photo-luminescence ,and life time decay profile. The presented chapter also emphasizes on the understanding of fundamental physics behind the specific semiconducting luminescent materials. The purpose of the study was to explore the phosphors having a suitable phase with improved fluorescence intensity toward application in the organic light emitting diode devices.

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