Applications of Luminescent Nanoparticles

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 1414

Special Issue Editor


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Guest Editor
Centre of Excellence for Photoconversion, Vinca Institute of Nuclear Sciences, University of Belgrade, 11001 Belgrade, Serbia
Interests: luminescence; phosphors; luminescent sensors; luminescent thermometry; nanomaterials

Special Issue Information

Dear Colleagues,

Because of their unique structural, physicochemical, and (most importantly) spectroscopic properties, nanosized luminescent materials with improved performance have piqued the interest of many researchers in recent years. Aside from their use in traditional phosphor technologies such as fluorescent lamps, light-emitting diodes, emission displays, X-ray detectors, and tomography, luminescent nanomaterials continue to make advances in security (banknotes, identification documents, etc.), biological labeling (e.g., in research and non-invasive medical diagnosis), sensing, and photovoltaics. Their spectroscopic and physicochemical properties can be fine-tuned to meet specific requirements. The present multidisciplinary Special Issue aims to publish state-of-the-art manuscripts concerning synthesis, investigations, and applications of luminescent nanomaterials in various areas of research. The topics of interest for the Issue tentatively include but are not limited to:

  • Synthesis of novel luminescent nanomaterials;
  • Nanostructured optical materials for biomedical applications, such as biological imaging, biosensors, and photothermal therapy;
  • Luminescent nanoparticles for lighting, imaging, and security applications from UV to mid-infrared spectral regions;
  • New inorganic and organic nanomaterials for spectral conversion;
  • Nanomaterials for luminescent thermometry;
  • Nanomaterials for physical and chemical sensing.

Prof. Dr. Miroslav D. Dramićanin
Guest Editor

Manuscript Submission Information

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Keywords

  • luminescence
  • solid-state lighting
  • optical nanomaterials
  • nanoparticles synthesis
  • optical sensing
  • imaging
  • spectral conversion
  • biological labeling
  • biosensing
  • photothermal therapy
  • rare-earth-doped luminescent materials
  • spectroscopic properties

Published Papers (1 paper)

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Research

11 pages, 2346 KiB  
Article
Study of the Scattering Effect by SiO2 Nanoparticles, in a Luminescent Solar Concentrator Sensitized with Carbon Dots
by Mackenson Polché, Blancas Flores José Miguel, Carlos Alberto Guzmán González, Gabriel González Contreras and Victor Hugo Romero Arellano
Nanomaterials 2023, 13(17), 2480; https://doi.org/10.3390/nano13172480 - 2 Sep 2023
Viewed by 1161
Abstract
Luminescent solar concentrators (LSCs) have become an attractive way to produce green energy via their integration into buildings as photovoltaic windows. Recently, carbon quantum dots (C-QDs) have become the most studied luminescent material for the manufacture of luminescent solar concentrators due to their [...] Read more.
Luminescent solar concentrators (LSCs) have become an attractive way to produce green energy via their integration into buildings as photovoltaic windows. Recently, carbon quantum dots (C-QDs) have become the most studied luminescent material for the manufacture of luminescent solar concentrators due to their advantages, such as low toxicity, sustainability, and low cost. Despite the advantages of carbon quantum dots, they remain a low-efficiency material, and it is difficult to fabricate LSCs with a good performance. To address this problem, some of the research has used SiO2 nanoparticles (Nps) to produce a light-scattering effect that helps to improve the system performance. However, these studies are limited and have not been discussed in detail. In this regard, this research work was designed to evaluate the contribution of the scattering effect in different systems of carbon quantum dots used in a possible luminescent solar concentrator. To carry out this study, C-QDs and SiO2 Nps were synthesized by hydrothermal methods and the Stober method, respectively. We used different concentrations of both materials to fabricate film LSCs (10 × 10 cm2). The results show that the light scattered by the SiO2 Nps has a double contribution, in terms of light redirected towards the edges of the window and as a secondary source of excitation for the C-QDs; thus, an improvement in the performance of the LSC is achieved. The best improvement in photoluminescence is achieved when the films are composed of 20% wt carbon quantum dots and 10% wt SiO2 Nps, reaching a gain of 16% of the intensity of the light incident on the edges of the window with respect to the LSCs where only C-QDs were used. Full article
(This article belongs to the Special Issue Applications of Luminescent Nanoparticles)
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