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The molecular structure of the synthesized phosphor was confirmed by Fourier transform infra\u2010red (FTIR) spectroscopy and nuclear magnetic resonance spectra (NMR). Surface morphology and percent composition of the elements were assessed by scanning electron microscopy (SEM) and energy dispersive analysis of X\u2010rays (EDAX). The thermal stability and melting point of OEt\u2010DPQ and thin films were probed by thermo\u2010gravimetric analysis (TGA)\/differential thermal analysis (DTA) and were found to be 80\u00b0C and 113.6\u00b0C, respectively. UV\u2013visible optical absorption spectra of OEt\u2010DPQ in the solid state and blended films produced absorption bands in the range 260\u2013340\u00a0nm, while photoluminescence (PL) spectra of OEt\u2010DPQ in the solid state and blended thin films demonstrated blue emission that was registered at 432\u00a0nm when excited at 363\u2013369\u00a0nm. However, solvated OEt\u2010DPQ in chloroform, tetrahydrofuran or dichloromethane showed a blue shift of 31\u201343\u00a0nm. Optical absorption and emission parameters such as molar extinction coefficient (\u03b5), energy gap (E<jats:sub>g<\/jats:sub>), transmittance (T), reflectance (R), refractive index (n), oscillator energy (E<jats:sub>0<\/jats:sub>) and oscillator strength (f), quantum yield (\u03c6<jats:sub>f<\/jats:sub>), oscillator energy (E<jats:sub>0<\/jats:sub>), dispersion energy (E<jats:sub>d<\/jats:sub>), Commission Internationale de l'\u00c9clairage (CIE) co\u2010ordinates and energy yield fluorescence (E<jats:sub>F<\/jats:sub>) were calculated to assess the phosphor's suitability as a blue emissive material for opto\u2010electronic applications such as organic light\u2010emitting diodes (OLEDs), flexible displays and solid\u2010state lighting technology.<\/jats:p>","DOI":"10.1002\/bio.3500","type":"journal-article","created":{"date-parts":[[2018,5,31]],"date-time":"2018-05-31T04:55:26Z","timestamp":1527742526000},"page":"999-1009","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["2\u2010(4\u2010Ethoxy phenyl)\u20104\u2010phenyl quinoline organic phosphor for solution processed blue organic light\u2010emitting diodes"],"prefix":"10.1002","volume":"33","author":[{"given":"Minakshi","family":"Ghate","sequence":"first","affiliation":[{"name":"Department of Physics Shivaji Science College Congress Nagar  Nagpur India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8115-9010","authenticated-orcid":false,"given":"N. 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