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Nanomaterials
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Synthesis, Characterization, and Application of Luminescent Nanomaterials
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Synthesis, Characterization, and Application of Luminescent Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Synthesis, Interfaces and Nanostructures".

Deadline for manuscript submissions: 10 July 2024 | Viewed by 3601

Special Issue Editors

Dr. Wenfei Zhang

E-Mail Website
Guest Editor
Shenzhen Key Laboratory of Laser Engineering, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
Interests: photoluminescence; micro-cavity lasers; light emitting diodes
Dr. Ting Wang

E-Mail Website
Guest Editor
College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
Interests: rare earth luminescence; mechanoluminescence; phosphors

Special Issue Information

Dear Colleagues,

Luminescent materials find wide applications in numerous areas. In recent decades, the emergence of new kinds of luminescent nanomaterials, which were bestowed with nanotechnology, made it one of the leading topics in materials research. Normally, the luminescent property of nanomaterials is tremendously impacted by synthesis, on the one hand. On the other hand, characterization is fundamental to luminescent mechanism investigation. The applications of luminescent nanomaterials get wider with the emergence of new materials and unique properties.

The present special issue is aimed at presenting the current state-of-the-art synthesis of luminescent nanomaterials, structure and luminescence characterization, and applications of luminescent nanomaterials in different areas. Potential topics include, but are not limited to:

  1. Luminescent semiconductors;
  2. Rare earth ion doped luminescent nanomaterials;
  3. Carbon-based luminescent nanomaterials;
  4. Luminescent organic molecules;
  5. Low dimensional luminescent structures, such as quantum dots, nano-wires, and nano-sheets;
  6. Luminescent mechanism;
  7. Emerging new luminescent nanomaterials;
  8. Applications of luminescent nanomaterials.

Dr. Wenfei Zhang
Dr. Ting Wang
Guest Editors

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

  • luminescent nanomaterials
  • characterization
  • synthesis method
  • application
  • luminescent mechanism

Published Papers (3 papers)

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Research

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12 pages, 2705 KiB  
Article
One-Pot Hydrothermal Synthesis of mSiO2-N-CDs with High Solid-State Photoluminescence as a Fluorescent Probe for Detecting Dopamine
by Xiaogao Guan, Xianzhu Xu, Yanli Wu, Ruchun Yang, Xi Chen, Fangfang Kong and Qiang Xiao
Nanomaterials 2023, 13(23), 2989; https://doi.org/10.3390/nano13232989 - 21 Nov 2023
Viewed by 766
Abstract
An effective fluorescent probe (mSiO2-N-CDs) was prepared by embedding N-CDs into mesoporous silica via a simple one-pot hydrothermal reaction and applied to the detection of dopamine (DA). Mesoporous silica not only provided a skeleton to prevent the aggregation of N-CDs but [...] Read more.
An effective fluorescent probe (mSiO2-N-CDs) was prepared by embedding N-CDs into mesoporous silica via a simple one-pot hydrothermal reaction and applied to the detection of dopamine (DA). Mesoporous silica not only provided a skeleton to prevent the aggregation of N-CDs but also a medium for the centrifugal collection of N-CDs, avoiding the need for dialysis and freeze-drying. The formation process, phase composition, morphology, and luminescence properties of the composite were studied in detail. The synthesized mSiO2-N-CDs possessed spherical morphology, a smooth surface, and a diameter of approximately 150 nm. The fluorescence results indicated that mSiO2-N-CDs emitted intense blue color fluorescence at 465 nm under the optimal excitation of 370 nm. Because the mesoporous silica effectively inhibited the self-quenching caused by the aggregation of N-CDs, the quantum yield of solid mSiO2-N-CDs powder reached 32.5%. Furthermore, the emission intensity of the solid mSiO2-N-CDs remained constant for 28 days. The good sensitivity and selectivity of mSiO2-N-CDs for DA enabled the establishment of a rapid, simple, and sensitive DA detection method. The linear range was 0–50 µM and the limit of detection was calculated to be 107 nM. This method was used for the determination of DA in urine, with recovery rates ranging between 98% and 100.8%. In addition, the sensing mechanism was characterized by fluorescence lifetime decay and UV–VIS spectral analysis. Full article
(This article belongs to the Special Issue Synthesis, Characterization, and Application of Luminescent Nanomaterials)
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14 pages, 3824 KiB  
Article
Synergistic Enhancement of Near-Infrared Emission in CsPbCl3 Host via Co-Doping with Yb3+ and Nd3+ for Perovskite Light Emitting Diodes
by Muhammad Amin Padhiar, Shaolin Zhang, Minqiang Wang, Noor Zamin Khan, Shoaib Iqbal, Yongqiang Ji, Nisar Muhammad, Sayed Ali Khan and Shusheng Pan
Nanomaterials 2023, 13(19), 2703; https://doi.org/10.3390/nano13192703 - 04 Oct 2023
Viewed by 1062
Abstract
Perovskite nanocrystals (PeNCs) have emerged as a promising class of luminescent materials offering size and composition-tunable luminescence with high efficiency and color purity in the visible range. PeNCs doped with Yb3+ ions, known for their near-infrared (NIR) emission properties, have gained significant [...] Read more.
Perovskite nanocrystals (PeNCs) have emerged as a promising class of luminescent materials offering size and composition-tunable luminescence with high efficiency and color purity in the visible range. PeNCs doped with Yb3+ ions, known for their near-infrared (NIR) emission properties, have gained significant attention due to their potential applications. However, these materials still face challenges with weak NIR electroluminescence (EL) emission and low external quantum efficiency (EQE), primarily due to undesired resonance energy transfer (RET) occurring between the host and Yb3+ ions, which adversely affects their emission efficiency and device performance. Herein, we report the synergistic enhancement of NIR emission in a CsPbCl3 host through co-doping with Yb3+/Nd3+ ions for perovskite LEDs (PeLEDs). The co-doping of Yb3+/Nd3+ ions in a CsPbCl3 host resulted in enhanced NIR emission above 1000 nm, which is highly desirable for NIR optoelectronic applications. This cooperative energy transfer between Yb3+ and Nd3+ can enhance the overall efficiency of energy conversion. Furthermore, the PeLEDs incorporating the co-doped CsPbCl3/Yb3+/Nd3+ PeNCs as an emitting layer exhibited significantly enhanced NIR EL compared to the single doped PeLEDs. The optimized co-doped PeLEDs showed improved device performance, including increased EQE of 6.2% at 1035 nm wavelength and low turn-on voltage. Our findings highlight the potential of co-doping with Yb3+ and Nd3+ ions as a strategy for achieving synergistic enhancement of NIR emission in CsPbCl3 perovskite materials, which could pave the way for the development of highly efficient perovskite LEDs for NIR optoelectronic applications. Full article
(This article belongs to the Special Issue Synthesis, Characterization, and Application of Luminescent Nanomaterials)
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Review

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35 pages, 7305 KiB  
Review
Review of Gold Nanoparticles in Surface Plasmon-Coupled Emission Technology: Effect of Shape, Hollow Nanostructures, Nano-Assembly, Metal–Dielectric and Heterometallic Nanohybrids
by Kalathur Mohan Ganesh, Seemesh Bhaskar, Vijay Sai Krishna Cheerala, Prajwal Battampara, Roopa Reddy, Sundaresan Chittor Neelakantan, Narendra Reddy and Sai Sathish Ramamurthy
Nanomaterials 2024, 14(1), 111; https://doi.org/10.3390/nano14010111 - 02 Jan 2024
Cited by 2 | Viewed by 1504
Abstract
Point-of-care (POC) diagnostic platforms are globally employed in modern smart technologies to detect events or changes in the analyte concentration and provide qualitative and quantitative information in biosensing. Surface plasmon-coupled emission (SPCE) technology has emerged as an effective POC diagnostic tool for developing [...] Read more.
Point-of-care (POC) diagnostic platforms are globally employed in modern smart technologies to detect events or changes in the analyte concentration and provide qualitative and quantitative information in biosensing. Surface plasmon-coupled emission (SPCE) technology has emerged as an effective POC diagnostic tool for developing robust biosensing frameworks. The simplicity, robustness and relevance of the technology has attracted researchers in physical, chemical and biological milieu on account of its unique attributes such as high specificity, sensitivity, low background noise, highly polarized, sharply directional, excellent spectral resolution capabilities. In the past decade, numerous nano-fabrication methods have been developed for augmenting the performance of the conventional SPCE technology. Among them the utility of plasmonic gold nanoparticles (AuNPs) has enabled the demonstration of plethora of reliable biosensing platforms. Here, we review the nano-engineering and biosensing applications of AuNPs based on the shape, hollow morphology, metal–dielectric, nano-assembly and heterometallic nanohybrids under optical as well as biosensing competencies. The current review emphasizes the recent past and evaluates the latest advancements in the field to comprehend the futuristic scope and perspectives of exploiting Au nano-antennas for plasmonic hotspot generation in SPCE technology. Full article
(This article belongs to the Special Issue Synthesis, Characterization, and Application of Luminescent Nanomaterials)
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