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Researches on Photonics and Plasmonics

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: closed (20 May 2022) | Viewed by 8511

Special Issue Editor

School of Chemical Engineering, Institute for Photonics and Advanced Sensing (IPAS), ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), The University of Adelaide, Engineering North Building, Adelaide 5005, Australia
Interests: structural engineering of nanoporous materials; photocatalysis and energy; nanophotonics and plasmonics; optical sensing and biosensing; smart drug delivery from nanocarriers and surface coatings for biomedical applications; microfluidic lab-on-a-chip systems for all-in-one sensing applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In light–matter interactions at the nanoscale, every photon is precious. To understand these interactions will be a critical step in designing and engineering advanced photonic and plasmonic materials and molecules that can efficiently harness photons for a plethora of applications, including chemical sensing and biosensing, energy harvesting and storage, telecommunications, catalysis and synthesis of chemicals, medical imaging and therapy, photonics and optoelectronics, and environmental remediation. Recent decades have witnessed an extensive research activity into the precise engineering of plasmonic and photonic materials and molecules, from fundamental studies to applied science. This Special Issue is dedicated to recent research advances in photonic and plasmonic materials and molecules. The broad and interdisciplinary applicability of these materials will be of profound and immediate interest for a broad audience, ranging from physicists, chemists, engineers, and material scientists.

Dr. Abel Santos
Guest Editor

Manuscript Submission Information

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Keywords

  • Photonics;
  • Plasmonics;
  • Chemical Sensing and Biosensing;
  • Medical Imaging and Therapy;
  • Energy Harvesting and Storage;
  • Catalysis and Synthesis of Chemicals;
  • Medical Imaging and Therapy;
  • Optoelectronics;
  • Environmental Remediation.

Published Papers (3 papers)

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Research

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17 pages, 4149 KiB  
Article
Enhancement of the Modulation Response of Quantum-Dot-Based Down-Converted Light through Surface Plasmon Coupling
by Shaobo Yang, Po-Yu Chen, Chia-Chun Ni, Jun-Chen Chen, Zong-Han Li, Yang Kuo, Chih-Chung Yang, Ta-Cheng Hsu and Chi-Ling Lee
Molecules 2022, 27(6), 1957; https://0-doi-org.brum.beds.ac.uk/10.3390/molecules27061957 - 17 Mar 2022
Viewed by 1488
Abstract
In this paper, we first elaborate on the effects of surface plasmon (SP) coupling on the modulation responses of the emission of a light-emitting diode (LED) and its down-converted lights through colloidal quantum dots (QDs). The results of our past efforts for this [...] Read more.
In this paper, we first elaborate on the effects of surface plasmon (SP) coupling on the modulation responses of the emission of a light-emitting diode (LED) and its down-converted lights through colloidal quantum dots (QDs). The results of our past efforts for this subject are briefly discussed. The discussions lay the foundation for the presentation of the new experimental data of such down-converted lights in this paper. In particular, the enhancement of the modulation bandwidth (MB) of a QD-based converted light through SP coupling is demonstrated. By linking green-emitting QDs (GQDs) and/or red-emitting QDs (RQDs) with synthesized Ag nano-plates via surface modifications and placing them on a blue-emitting LED, the MBs of the converted green and red emissions are significantly increased through the induced SP coupling of the Ag nano-plates. When both GQD and RQD exist and are closely spaced in a sample, the energy transfer processes of emission-reabsorption and Förster resonance energy transfer from GQD into RQD occur, leading to the increase (decrease) in the MB of green (red) light. With SP coupling, the MB of a mixed light is significantly enhanced. Full article
(This article belongs to the Special Issue Researches on Photonics and Plasmonics)
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12 pages, 3172 KiB  
Article
The Role of Percent Volume Buried in the Characterization of Copper(I) Complexes for Lighting Purposes
by Murat Alkan-Zambada, Edwin C. Constable and Catherine E. Housecroft
Molecules 2020, 25(11), 2647; https://0-doi-org.brum.beds.ac.uk/10.3390/molecules25112647 - 06 Jun 2020
Cited by 13 | Viewed by 3342
Abstract
The usefulness of percent volume buried (%Vbur) as a readily quantifiable property is investigated with regard to [Cu(NN)(PP)]+ complexes of interest for lighting purposes. Photoluminescence quantum yields (PLQYs) and single crystal X-ray structures of 100 reported compounds were assembled, %V [...] Read more.
The usefulness of percent volume buried (%Vbur) as a readily quantifiable property is investigated with regard to [Cu(NN)(PP)]+ complexes of interest for lighting purposes. Photoluminescence quantum yields (PLQYs) and single crystal X-ray structures of 100 reported compounds were assembled, %Vbur of the ligand systems were calculated and analyzed for correlations. We found that increased shielding of the central Cu(I) cation relying on shared contributions of both (NN) and (PP) ligand systems led to increased PLQYs. These findings are of relevance for future characterizations of Cu(I)-based complexes and their photophysical behavior in the solid-state. Full article
(This article belongs to the Special Issue Researches on Photonics and Plasmonics)
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Review

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22 pages, 5515 KiB  
Review
Metadevices with Potential Practical Applications
by Yafei Li, Jiangtao Lv, Qiongchan Gu, Sheng Hu, Zhigang Li, Xiaoxiao Jiang, Yu Ying and Guangyuan Si
Molecules 2019, 24(14), 2651; https://0-doi-org.brum.beds.ac.uk/10.3390/molecules24142651 - 22 Jul 2019
Cited by 3 | Viewed by 2967
Abstract
Metamaterials are “new materials” with different superior physical properties, which have generated great interest and become popular in scientific research. Various designs and functional devices using metamaterials have formed a new academic world. The application concept of metamaterial is based on designing diverse [...] Read more.
Metamaterials are “new materials” with different superior physical properties, which have generated great interest and become popular in scientific research. Various designs and functional devices using metamaterials have formed a new academic world. The application concept of metamaterial is based on designing diverse physical structures that can break through the limitations of traditional optical materials and composites to achieve extraordinary material functions. Therefore, metadevices have been widely studied by the academic community recently. Using the properties of metamaterials, many functional metadevices have been well investigated and further optimized. In this article, different metamaterial structures with varying functions are reviewed, and their working mechanisms and applications are summarized, which are near-field energy transfer devices, metamaterial mirrors, metamaterial biosensors, and quantum-cascade detectors. The development of metamaterials indicates that new materials will become an important breakthrough point and building blocks for new research domains, and therefore they will trigger more practical and wide applications in the future. Full article
(This article belongs to the Special Issue Researches on Photonics and Plasmonics)
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