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Photoluminescence spectra of Sm3+ and Dy3+:PVP polymer films

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Abstract

Spectroscopic and structural analysis of Sm3+ and Dy3+: PVP polymer films have been carried out. Emission spectrum of Sm3+: PVP film has shown an intense reddish-orange emission at 602 nm (4G5/2 → 6H7/2) with an excitation at 400 nm (6H5/2 → 4L13/2) and this emission has also been noticed when this film was placed under an UV source. From the Dy3+: PVP polymer film a yellow emission at 578 nm (4F9/2 → 6H13/2) with an excitation at 387 nm (4H15/2 → 4I13/2) has been observed. For these luminescent ions containing polymer films, dielectric properties have been studied. These films are interestingly found to be unaffected by the moisture in the environment, with the passing of several days, those films are intact, thus it provides an evidence to suggest these films are more stable in their performance as visible color luminescent polymer films.

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Authors and Affiliations

  1. Department of Physics, Sri Venkateswara University, Tirupati, 517 502, Andhra Pradesh, India

    K. Sivaiah & S. Buddhudu

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  1. K. Sivaiah
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  2. S. Buddhudu
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Correspondence to K. Sivaiah.

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Sivaiah, K., Buddhudu, S. Photoluminescence spectra of Sm3+ and Dy3+:PVP polymer films. Indian J Phys 86, 1079–1085 (2012). https://doi.org/10.1007/s12648-012-0176-1

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  • DOI: https://doi.org/10.1007/s12648-012-0176-1

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