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Synthesis and PL study of Sr3 (VO4 ) 2 :Eu3+ phosphor for W-LED application

Синтез и фотолюминесцентное исследование люминофора Sr3 (VO4 ) 2 :Eu3+ с целью применения в белых светоизлучающих диодах
Authors: Nagpure, Pankaj; Kherde, Nivedita; Barde, Waman;

Synthesis and PL study of Sr3 (VO4 ) 2 :Eu3+ phosphor for W-LED application

Abstract

В статье исследован люминофор Sr3(VO4)2:Eu3+, перспективный для создания белого светоизлучающего диода (W-LED) на основе этого одного соединения. Образцы данного материала были получены двумя способами: соосаждения и сжигания. Образование требуемого вещества было подтверждено рентгенографически. Практически важные свойства объекта изучались методом фотолюминесцентной спектроскопии. В спектрах соединения обнаружены широкая эмиссионная полоса, охватывающая всю видимую область спектра с центром на длине волны 520 нм, а также острый пик на 613 нм. В спектрах возбуждения люминесценции наблюдалась широкая полоса с центром на длине волны 350 нм. Представлена соответствующая диаграмма энергетических уровней. Полученные экспериментальные результаты привели к заключению, что метод соосаждения предпочтителен, а фотолюминесцентные свойства полученного люминофора удобны для создания штучных белых светоизлучающих диодов.

In the present paper, a single host phosphor for a white light emitting diode (W-LED) Sr3(VO4)2:Eu3+, prepared by the co-precipitation method and combustion one, has been reported. Formation of the compound was confirmed by studying the X-ray diffraction pattern. The photoluminescence (PL) properties were studied by fluorescence spectrophotometer F-7000. The Sr3(VO4)2:Eu3+ exhibited a broad emission band covering the entire visible region centered at 520 nm wavelength and a sharp peak at 613 nm, when excited by 350 nm. The excitation spectrum at 520 nm emission wavelength was found to be suitable for pc-W-LED application.

Keywords

W-LED, x-ray diffraction pattern, Physics, QC1-999, фотолюминесценция, белый светоизлучающий диод, X-ray diffraction pattern, соосаждение, strontium vanadate, ванадат стронция, метод сжигания, photoluminescence spectroscopy, QA1-939, co-precipitation, w-led, Mathematics, combustion

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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