E TOMLAL JOSE
Articles written in Bulletin of Materials Science
Volume 42 Issue 5 October 2019 Article ID 0218
Fabrication of electrospun nanoﬁbres is the glittering area of research because of their ﬂexible characteristics and numerous applications in almost all walks of life and technology. Poly(methyl methacrylate) (PMMA) is one of the signiﬁcant and interested synthetic polymers in the recent research because of their characteristic properties like higher environmental stability, resistance to attack by moulds and enzymes, commercial availability, easiness to handle, etc. In the present study, pristine PMMA nanoﬁbres with diameters of 60–150 nm with 109 nm as the most distributed one are prepared by an electrospinning method using a binary solvent mixture. An enhancement in the intensity of visible photoluminescence emission is observed in PMMA nanoﬁbres embedded with samarium and neodymium β-diketonate complexes. The morphological incorporation of samarium and neodymium β-diketonate complexes in PMMA nanoﬁbres and material composition of the samples are examined by high resolution electron microscopy analyses. The amorphous nature and molecular bonding of pure PMMA nanoﬁbres and incorporated ﬁbre complexes are elucidated through structural and molecular analyses. The supreme optical absorptions and reemissions of samarium and neodymium β-diketonate complexes embedded in the pure PMMA ﬁbre sample in the visible region indicate not only their application in lighting or display devices, but also as active materials in organic light emitting diodes for new era curved/rolled display devices.
Volume 43, 2020
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