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Special Issue "Lanthanide Luminescence: Fundamental Research and Applications"

A special issue of Molecules (ISSN 1420-3049).

Deadline for manuscript submissions: closed (30 September 2017)

Special Issue Editor

Guest Editor
Dr. Svetlana V. Eliseeva

Centre de Biophysique Moléculaire, CNRS UPR 4301, F-45071 Orléans CEDEX 2, France
Website | E-Mail
Interests: visible and near-infrared lanthanide luminescence; lanthanide luminescence sensitization; energy transfer mechanisms; spectroscopy; microscopy; optical imaging; complexes; coordination polymers; dendrimers; nanomaterials

Special Issue Information

Dear Colleagues,

Intriguing emission features of lanthanide(III)-based compounds, i.e., narrow bandwidths of f-f transitions, long luminescence lifetimes, large difference between excitation and emission bands in the case of non-direct sensitization and high photostability, have triggered their diverse applications. Today, lanthanide(III) luminescence is essential for, but not limited to, use in telecommunications, lasers, security marking, lighting, sensing, immunoassays, luminescent thermometry, optical imaging, and biomedicine. Such developments have been accompanied by continuous efforts in the design and synthesis of small molecular complexes, macromolecules (supramolecular assemblies, coordination polymers or dendrimers), and nanomaterials (inorganic, polymer or silica nanoparticles) with improved luminescent and functional properties that would satisfy the demanding field of modern applications. Such progresses would not be also achieved without fundamental and theoretical studies devoted to the sensitization of lanthanide(III) luminescence and corresponding energy transfer mechanisms.

This Special Issue has the goal to gather recent exciting developments covering both fundamental and applied aspects of lanthanide(III) luminescence, to highlight difficulties encountered during design and synthesis of luminescent lanthanide(III)-based compounds, especially when the specific requirements have to be taken into account for a particular application.

Dr. Svetlana V. Eliseeva
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 papers will be 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. Molecules is an international peer-reviewed open access monthly 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 1800 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

  • Lanthanide
  • Complex
  • Nanomaterial
  • Supramolecular assembly
  • Coordination polymer
  • Metal-organic framework
  • Dendrimer
  • Hybrid material
  • Ionic liquid
  • Synthesis
  • Luminescence
  • Visible
  • Near-infrared
  • Energy transfer
  • Sensitization mechanism
  • Antenna effect
  • Upconversion
  • Downconversion
  • Downshifting
  • Spectroscopy
  • Optical imaging
  • Microscopy
  • Luminescent thermometry
  • Theranostics
  • Biomedicine
  • Immunoassay
  • Sensing
  • Phosphor
  • Lighting
  • Telecommunication
  • Laser
  • Security ink
  • Solar energy conversion
  • Scintillator

Published Papers (3 papers)

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Research

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Open AccessArticle Design of Novel, Water Soluble and Highly Luminescent Europium Labels with Potential to Enhance Immunoassay Sensitivities
Molecules 2017, 22(10), 1807; doi:10.3390/molecules22101807
Received: 29 September 2017 / Revised: 17 October 2017 / Accepted: 19 October 2017 / Published: 24 October 2017
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Abstract
To meet the continual demands of more-sensitive immunoassays, the synthesis of novel luminescent Eu(III) chelate labels having similar substituted 4-(phenylethynyl)pyridine chromophores in three different chelate structure classes are reported. Significantly enhanced luminescence intensities were obtained, evidently caused by the intra-ligand charge transfer (ILCT)
[...] Read more.
To meet the continual demands of more-sensitive immunoassays, the synthesis of novel luminescent Eu(III) chelate labels having similar substituted 4-(phenylethynyl)pyridine chromophores in three different chelate structure classes are reported. Significantly enhanced luminescence intensities were obtained, evidently caused by the intra-ligand charge transfer (ILCT) mediated sensitization, but the alternative ligands triplet state process cannot be ruled out. Based on the present study, even quite small changes on the chelate structure, and, especially, on the substituents’ donor/acceptor strength on both ends of 4-(phenylethynyl)pyridine subunits have an unpredictable effect on the luminescence. The highest observed brightness was 16,400 M−1cm−1 in solution and 69,500 M−1cm−1 on dry surface, being 3.4 and 8.7 fold higher compared to the reference chelate. The new label chelates provide solutions for improved assay sensitivity up-to tenfold from the present concepts. Full article
(This article belongs to the Special Issue Lanthanide Luminescence: Fundamental Research and Applications)
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Open AccessArticle Synthesis of Europium-Doped Fluorapatite Nanorods and Their Biomedical Applications in Drug Delivery
Molecules 2017, 22(5), 753; doi:10.3390/molecules22050753
Received: 5 April 2017 / Revised: 23 April 2017 / Accepted: 4 May 2017 / Published: 6 May 2017
Cited by 1 | PDF Full-text (2671 KB) | HTML Full-text | XML Full-text
Abstract
Europium (Eu)-doped fluorapatite (FA) nanorods have a biocompatibility similar to that of hydroxyapatite (HA) for use as cell imaging biomaterials due to their luminescent property. Here, we discuss the new application of europium-doped fluorapatite (Eu-FA) nanorods as an anticancer drug carrier. The Eu-FA
[...] Read more.
Europium (Eu)-doped fluorapatite (FA) nanorods have a biocompatibility similar to that of hydroxyapatite (HA) for use as cell imaging biomaterials due to their luminescent property. Here, we discuss the new application of europium-doped fluorapatite (Eu-FA) nanorods as an anticancer drug carrier. The Eu-FA nanorods were prepared by using a hydrothermal method. The morphology, crystal structure, fluorescence, and composition were investigated. The specific crystal structure enables the effective loading of drug molecules. Doxorubicin (DOX), which was used as a model anticancer drug, effectively loaded onto the surface of the nanorods. The DOX release was pH-dependent and occurred more rapidly at pH 5.5 than at pH 7.4. The intracellular penetration of the DOX-loaded Eu-FA nanorods (Eu-FA/DOX) can be imaged in situ due to the self-fluorescence property. Treatment of melanoma A375 cells with Eu-FA/DOX elicited a more effective apoptosis rate than direct DOX treatment. Overall, Eu-FA exhibits potential for tracking and treating tumors and may be potentially useful as a multifunctional carrier system to effectively load and sustainably deliver drugs. Full article
(This article belongs to the Special Issue Lanthanide Luminescence: Fundamental Research and Applications)
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Review

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Open AccessReview Lanthanide Photoluminescence in Heterometallic Polycyanidometallate-Based Coordination Networks
Molecules 2017, 22(11), 1902; doi:10.3390/molecules22111902
Received: 16 October 2017 / Revised: 2 November 2017 / Accepted: 2 November 2017 / Published: 4 November 2017
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Abstract
Solid-state functional luminescent materials arouse an enormous scientific interest due to their diverse applications in lighting, display devices, photonics, optical communication, low energy scintillation, optical storage, light conversion, or photovoltaics. Among all types of solid luminophors, the emissive coordination polymers, especially those based
[...] Read more.
Solid-state functional luminescent materials arouse an enormous scientific interest due to their diverse applications in lighting, display devices, photonics, optical communication, low energy scintillation, optical storage, light conversion, or photovoltaics. Among all types of solid luminophors, the emissive coordination polymers, especially those based on luminescent trivalent lanthanide ions, exhibit a particularly large scope of light-emitting functionalities, fruitfully investigated in the aspects of chemical sensing, display devices, and bioimaging. Here, we present the complete overview of one of the promising families of photoluminescent coordination compounds, that are heterometallic d–f cyanido-bridged networks composed of lanthanide(3+) ions connected through cyanide bridges with polycyanidometallates of d-block metal ions. We are showing that the combination of cationic lanthanide complexes of selected inorganic and organic ligands with anionic homoligand [M(CN)x]n− (x = 2, 4, 6 and 8) or heteroligand [M(L)(CN)4]2− (L = bidentate organic ligand, M = transition metal ions) anions is the efficient route towards the emissive coordination networks revealing important optical properties, including 4f-metal-centred visible and near-infrared emission sensitized through metal-to-metal and/or ligand-to-metal energy transfer processes, and multi-coloured photoluminescence switchable by external stimuli such as excitation wavelength, temperature, or pressure. Full article
(This article belongs to the Special Issue Lanthanide Luminescence: Fundamental Research and Applications)
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