مرکز منطقه ای اطلاع رساني علوم و فناوري - Preparation of Red-Emitting Phosphor [<formula formulatype="inline"> <img src="/images/tex/20187.gif" alt="{\\hbox {K}}_{0.8}{\\hbox {Y}}_{0.65}{\\hbox {Eu}}^{3+}_{0.08}"> </formula>][<formula formulatype="inline"> <img src="/images/tex/20188.gif" alt="{\

Title :

Preparation of Red-Emitting Phosphor [ ${\\hbox {K}}_{0.8}{\\hbox {Y}}_{0.65}{\\hbox {Eu}}^{3+}_{0.08}$ ][ ${\</div> </div> <div class='row'> <div class='leftDiv labelDiv col-xs-4 col-sm-2 fullRecLabelEnglish'>Author : </div><div class='valueDiv leftDirection leftAlign col-xs-8 col-sm-10 fullRecValueEnglish'>Cao, Fa-Bin ; Li, Liao-Sha ; Wu, Zhao-Jin ; Wu, Xing-Rong ; Zhu, Jian-Hua ; Liu, Wei-Ming</div> </div> <div class='row'> <div class='leftDiv labelDiv col-xs-4 col-sm-2 fullRecLabelEnglish'>Author_Institution : </div><div class='valueDiv leftDirection leftAlign col-xs-8 col-sm-10 fullRecValueEnglish'>Anhui Provincial Key Lab. for Metall. Eng. & Resources Recycling, Anhui Univ. of Technol., Ma´´anshan, China</div> </div> <div class='row'> <div class='leftDiv labelDiv col-xs-4 col-sm-2 fullRecLabelEnglish'>Volume : </div><div class='valueDiv leftDirection leftAlign col-xs-8 col-sm-10 fullRecValueEnglish'>8</div> </div> <div class='row'> <div class='leftDiv labelDiv col-xs-4 col-sm-2 fullRecLabelEnglish'>Issue : </div><div class='valueDiv leftDirection leftAlign col-xs-8 col-sm-10 fullRecValueEnglish'>3</div> </div> <div class='row'> <div class='leftDiv labelDiv col-xs-4 col-sm-2 fullRecLabelEnglish'>fYear : </div><div class='valueDiv leftDirection leftAlign col-xs-8 col-sm-10 fullRecValueEnglish'>2012</div> </div> <div class='row'> <div class='leftDiv labelDiv col-xs-4 col-sm-2 fullRecLabelEnglish'>fDate : </div><div class='valueDiv leftDirection leftAlign col-xs-8 col-sm-10 fullRecValueEnglish'>3/1/2012 12:00:00 AM</div> </div> <div class='row'> <div class='leftDiv labelDiv col-xs-4 col-sm-2 fullRecLabelEnglish'>Firstpage : </div><div class='valueDiv leftDirection leftAlign col-xs-8 col-sm-10 fullRecValueEnglish'>127</div> </div> <div class='row'> <div class='leftDiv labelDiv col-xs-4 col-sm-2 fullRecLabelEnglish'>Lastpage : </div><div class='valueDiv leftDirection leftAlign col-xs-8 col-sm-10 fullRecValueEnglish'>131</div> </div> <div class='row'> <div class='leftDiv labelDiv col-xs-4 col-sm-2 fullRecLabelEnglish'>Abstract : </div><div class='valueDiv leftDirection leftAlign col-xs-8 col-sm-10 fullRecValueEnglish'>The red-emitting phosphor [K<sub>0.8</sub>Y<sub>0.65</sub>Eu<sup>3+</sup><sub>0.08</sub> ][Mo<sub>0.2</sub>W<sub>0.8</sub>O<sub>4</sub>] was produced by a solid-state method. Through XRD spectra, DTA-TG and photo-luminescent analysis, the possible reaction path and the emission mechanism of the phosphor were mentioned, and the partial Judd-Ofelt parameters and quantum efficiency of Eu<sup>3+ 5</sup>D<sub>0</sub> energy level were calculated under 395 nm excitation. The results indicate that the red-emitting phosphor, of which the quantum efficiency is 13.43%, can become the potential applications for white light-emitting diode in the future.</div> </div> <div class='row'> <div class='leftDiv labelDiv col-xs-4 col-sm-2 fullRecLabelEnglish'>Keywords : </div><div class='valueDiv leftDirection leftAlign col-xs-8 col-sm-10 fullRecValueEnglish'>Judd-Ofelt theory; X-ray diffraction; differential thermal analysis; light emitting diodes; materials preparation; molybdenum compounds; phosphors; photoluminescence; potassium compounds; two-dimensional spectra; DTA-TG; Eu<sup>3+ 5</sup>D<sub>0</sub> quantum efficiency; KYEuMoWO; XRD spectra; efficiency 13.43 percent; partial Judd-Ofelt parameters; photoluminescent analysis; red-emitting phosphor; solid-state method; wavelength 395 nm; white light-emitting diode; Energy states; Ions; Light emitting diodes; Luminescence; Phosphors; Solids; Eu<formula formulatype=$ $^{3+}$ ions; Red-emitting phosphors; quantum efficiency;