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Synthesis, Luminescent Properties, and Applications of Nanomaterials Activated by Lanthanide...
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Synthesis, Luminescent Properties, and Applications of Nanomaterials Activated by Lanthanide Ions

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Inorganic Materials and Metal-Organic Frameworks".

Deadline for manuscript submissions: closed (31 January 2022) | Viewed by 5873

Special Issue Editor

Dr. Tomasz Grzyb

E-Mail Website
Guest Editor
Department of Rare Earths, Faculty of Chemistry, Adam Mickiewicz University in Poznan, Poznan, Poland
Interests: nanomaterials; synthesis; luminescence; lanthanide ions; spectroscopy; up-conversion

Special Issue Information

Dear Colleagues,

The last twenty years of research on materials doped with lanthanide ions have been largely devoted to the development of their nanostructured counterparts. Thanks to this, the unique luminescence of lanthanide ions has been used in new applications, such as those related to the development of nanomedicine. The miniaturization of devices, attempts to introduce nanoparticles into the structure of living organisms, and the search for more and more advanced spectroscopic properties have also resulted in the development of synthesis methods. Consequently, the luminescence performance in nanostructured systems has improved, and it has become possible to use the unique properties of nanomaterials containing lanthanide ions in temperature or pressure sensors as well as in analytical applications in the detection of ions and biomolecules. In particular, the phenomenon of up-conversion is being intensively studied due to potential applications in theranostics and in the conversion of solar energy in solar panels.

To reflect the current state of the research on nanomaterials activated by lanthanide ions, we are inviting you to contribute to this Special Issue by publishing a research or review article.

Dr. Tomasz Grzyb
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • nanomaterials
  • lanthanides
  • luminescence
  • spectroscopic properties
  • up-conversion
  • phosphors
  • LEDs
  • forensics
  • optical sensors
  • bioimaging

Published Papers (2 papers)

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Research

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16 pages, 4824 KiB  
Article
Improvement in Luminescence Intensity of β-NaYF4: 18%Yb3+, 2%Er3+@β-NaYF4 Nanoparticles as a Result of Synthesis in the Presence of Stearic Acid
by Piotr Kaminski, Dominika Przybylska, Gabriela Klima and Tomasz Grzyb
Nanomaterials 2022, 12(3), 319; https://0-doi-org.brum.beds.ac.uk/10.3390/nano12030319 - 19 Jan 2022
Cited by 2 | Viewed by 2193
Abstract
The synthesis of upconverting nanoparticles (NPs) is crucial for their spectroscopic properties and further applications. Reducing the size of materials to nano-dimensions usually decreases emission intensity. Therefore, scientists around the world are trying to improve the methods of obtaining NPs to approach levels [...] Read more.
The synthesis of upconverting nanoparticles (NPs) is crucial for their spectroscopic properties and further applications. Reducing the size of materials to nano-dimensions usually decreases emission intensity. Therefore, scientists around the world are trying to improve the methods of obtaining NPs to approach levels of emission intensity similar to their bulk counterparts. In this article, the effects of stearic acid on the synthesis of core@shell β-NaYF4: 18%Yb3+, 2%Er3+@β-NaYF4 upconverting NPs were thoroughly investigated and presented. Using a mixture of stearic acid (SA) with oleic acid and 1-octadecene as components of the reaction medium leads to the obtaining of monodispersed NPs with enhanced emission intensity when irradiated with 975 nm laser wavelength, as compared with NPs prepared analogously but without SA. This article also reports how the addition of SA influences the structural properties of core@shell NPs and reaction time. The presence of SA in the reaction medium accelerates the growth of NPs in comparison with the analogic reaction but without SA. In addition, transmission electron microscopy studies reveal an additional effect of the presence of SA on the surface of NPs, which is to cause their self-organization due to steric effects. Full article
(This article belongs to the Special Issue Synthesis, Luminescent Properties, and Applications of Nanomaterials Activated by Lanthanide Ions)
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Review

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27 pages, 2150 KiB  
Review
Recent Developments in Lanthanide-Doped Alkaline Earth Aluminate Phosphors with Enhanced and Long-Persistent Luminescence
by Doory Kim
Nanomaterials 2021, 11(3), 723; https://0-doi-org.brum.beds.ac.uk/10.3390/nano11030723 - 13 Mar 2021
Cited by 31 | Viewed by 4419
Abstract
Lanthanide-activated alkaline earth aluminate phosphors are excellent luminescent materials that are designed to overcome the limitations of conventional sulfide-based phosphors. The increasing research attention on these phosphors over the past decade has led to a drastic improvement in their phosphorescence efficiencies and resulted [...] Read more.
Lanthanide-activated alkaline earth aluminate phosphors are excellent luminescent materials that are designed to overcome the limitations of conventional sulfide-based phosphors. The increasing research attention on these phosphors over the past decade has led to a drastic improvement in their phosphorescence efficiencies and resulted in a wide variety of phosphorescence colors, which can facilitate applications in various areas. This review article discusses the development of lanthanide-activated alkaline earth aluminate phosphors with a focus on the various synthesis methods, persistent luminescence mechanisms, activator and coactivator effects, and the effects of compositions. Particular attention has been devoted to alkaline earth aluminate phosphors that are extensively used, such as strontium-, calcium-, and barium-based aluminates. The role of lanthanide ions as activators and coactivators in phosphorescence emissions was also emphasized. Finally, we address recent techniques involving nanomaterial engineering that have also produced lanthanide-activated alkaline earth aluminate phosphors with long-persistent luminescence. Full article
(This article belongs to the Special Issue Synthesis, Luminescent Properties, and Applications of Nanomaterials Activated by Lanthanide Ions)
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