Improvement of photoluminescence of Cu +  ion in Li 2 SO 4 | Zendy

Puppalwar S. P. | Zendy; Dhoble S. J. | Zendy; Kumar Animesh | Zendy

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Improvement of photoluminescence of Cu + ion in Li 2 SO 4

Author(s) -

Puppalwar S. P.,

Dhoble S. J.,

Kumar Animesh

Publication year - 2010

Publication title -

luminescence

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.428

H-Index - 45

eISSN - 1522-7243

pISSN - 1522-7235

DOI - 10.1002/bio.1252

Subject(s) - photoluminescence , phosphor , luminescence , ion , analytical chemistry (journal) , materials science , spectral line , emission spectrum , chemistry , optoelectronics , physics , organic chemistry , chromatography , astronomy

The synthesis of the Li 2 SO 4 : Cu phosphor using a wet chemical method is reported here. The XRD technique showed the crystalline nature of the prepared material. The presence of Na and K in the host affected the observed photoluminescence characteristics of Li 2 SO 4 : Cu. Photoluminsecent emission spectra of Li 2 SO 4 : Cu phosphor showed a very strong prominet peak at 387 nm in the indigo region due to 3d 9 4 s 1 ↔ 3d 10 transition of the Cu + ion. The increase in peak intensity of the PL spectrum suggests that Cu + acts as the luminescence center in the present matrix. Copyright © 2010 John Wiley & Sons, Ltd.

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