Functionalized Hybridization for Next-Generation Nanophotonic Devices

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

Deadline for manuscript submissions: closed (24 November 2023) | Viewed by 5871

Special Issue Editor


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Guest Editor
School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China
Interests: Xenes; phosphorene; functional nanostructures; optoelectronics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The interaction between photons and nanostructures is of great significance from both scientific and engineering perspectives, which have brought up many research branches, such as optoelectronics, biophotonics, nonlinear photonics, etc. Compared with bulk counterparts, low-dimensional semiconducting nanomaterials usually exhibit much stronger interaction with light due to their significantly improved surface area and suitable bandgap. To further broaden applicable ranges beyond their existing boundaries and fully exploit these potentials in nanophotonics, studies on the functionalized hybridization of semiconducting nanostructures are rapidly expanding and unprecedentedly challenging for next-generation nanophotonics (photodetectors, photocatalysts, nonlinear photonics, biosensors, etc.) with fascinating properties in recent years.

This Special Issue welcomes contributions devoted to the rational design, precise characterization, and versatile nanophotonic application of functional hybridization of nanostructures (not limited to nanostructures) for next-generation nanophotonic devices.

Prof. Dr. Weichun Huang
Guest Editor

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Keywords

  • Xenes
  • heterostructures
  • functional nanostructures
  • optoelectronics
  • photocatalysis
  • nonlinear photonics
  • biophotonics

Published Papers (4 papers)

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Research

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11 pages, 4275 KiB  
Article
Construction of Reinforced Self-Cleaning and Efficient Photothermal PDMS@GDY@Cu Sponges toward Anticorrosion and Antibacterial Applications
by Yi Hu, Junmei Pu, Yingzi Hu, You Zi, Hongyan Chen, Mengke Wang and Weichun Huang
Nanomaterials 2023, 13(16), 2381; https://doi.org/10.3390/nano13162381 - 20 Aug 2023
Cited by 4 | Viewed by 1134
Abstract
Copper (Cu)-based materials are widely used in many fields from industry to life, including marine, medical apparatus and instruments, and microelectronic devices owing to their superior thermal, electrical, and mechanical properties. However, the interaction of copper with aggressive and fouling liquids under normal [...] Read more.
Copper (Cu)-based materials are widely used in many fields from industry to life, including marine, medical apparatus and instruments, and microelectronic devices owing to their superior thermal, electrical, and mechanical properties. However, the interaction of copper with aggressive and fouling liquids under normal circumstances easily brings about severe bacterial accumulation, resulting in undesirable functionality degeneration and bacterial infections. In this contribution, we reported a novel copper-based sponge, polydimethylsiloxane (PDMS)@graphdiyne (GDY)@Cu, constructed by in situ synthesis of GDY on a commercial Cu sponge, followed by the modification of PDMS. The as-fabricated PDMS@GDY@Cu sponge not only possesses excellent self-cleaning activity against the pollution of daily drinks and dirt due to an improved static contact angle (~136°), but also display a remarkably enhanced anticorrosion performance, attributed to intimate coverage of chemically stable GDY and PDMS on the Cu sponge. Based on high photothermal effect of GDY, the PDMS@GDY@Cu sponge also displays significantly improved antibacterial activities under irradiation. In addition, due to excellent chemical stability of PDMS and GDY, self-cleaning behavior and photothermal-assisted antibacterial performance are well maintained after long-term attack of bacteria. These results demonstrate that GDY-based functional coatings hold great promises in the protection of copper devices under harsh conditions. Full article
(This article belongs to the Special Issue Functionalized Hybridization for Next-Generation Nanophotonic Devices)
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9 pages, 2504 KiB  
Article
Graphdiyne-Based All-Solid-State Passively Q-Switched Tm:YAP Laser at 2 μm
by Qing Wu, Yanyu Wang, Gang Zhao, Haibin Wu, Yi Hu and Mengke Wang
Nanomaterials 2023, 13(15), 2171; https://doi.org/10.3390/nano13152171 - 26 Jul 2023
Cited by 3 | Viewed by 1026
Abstract
All-solid-state Tm lasers have a wider wavelength range and higher output power compared to other types of lasers. In this work, we demonstrate an all-solid-state, high repetition, Tm:YAP laser Q-switched by a graphdiyne (GDY) saturable absorber. The high-quality optical nonlinear material GDY, synthesized [...] Read more.
All-solid-state Tm lasers have a wider wavelength range and higher output power compared to other types of lasers. In this work, we demonstrate an all-solid-state, high repetition, Tm:YAP laser Q-switched by a graphdiyne (GDY) saturable absorber. The high-quality optical nonlinear material GDY, synthesized by a cross-coupling method, exhibits a strong nonlinear optical response. The application of GDY as a saturable absorber in the passively Q-switched (PQS) Tm:YAP of an all-solid-state laser has been realized with the shortest pulse duration of ~785 ns and repetition frequency of ~199.6 kHz at a central wavelength of 1985.8 nm. This represents the shortest pulse duration and the highest repetition frequency achieved from GDY in a solid-state Tm laser to date. Our work demonstrates the remarkable nonlinear optical properties of GDY, which holds promising potential in the field of optoelectronics. Full article
(This article belongs to the Special Issue Functionalized Hybridization for Next-Generation Nanophotonic Devices)
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14 pages, 3380 KiB  
Article
A Highly Sensitive and Selective Nano-Fluorescent Probe for Ratiometric and Visual Detection of Oxytetracycline Benefiting from Dual Roles of Nitrogen-Doped Carbon Dots
by Huifang Wu, Mengqi Xu, Yubing Chen, Haoliang Zhang, Yongjun Shen and Yanfeng Tang
Nanomaterials 2022, 12(23), 4306; https://doi.org/10.3390/nano12234306 - 4 Dec 2022
Cited by 5 | Viewed by 1603
Abstract
The specific detection of oxytetracycline (OTC) residues is significant for food safety and environmental monitoring. However, rapid specific determination of OTC from various tetracyclines is still challenging due to their similar chemical structures. Here, nitrogen-doped carbon dots (NCDs) with excitation and pH-dependent optical [...] Read more.
The specific detection of oxytetracycline (OTC) residues is significant for food safety and environmental monitoring. However, rapid specific determination of OTC from various tetracyclines is still challenging due to their similar chemical structures. Here, nitrogen-doped carbon dots (NCDs) with excitation and pH-dependent optical properties and a high-fluorescence quantum yield were successfully synthesized, which were directly employed to fabricate a dual-response fluorescence probe by self-assembly with Eu3+ (NCDs/Eu3+) for the ratiometric determination of OTC. The addition of OTC into the probe greatly enhances the characteristic emission of Eu3+ due to the “antenna effect”, and the incorporation of NCDs into the probe further improves the Eu3+ fluorescence by remarkably weakening the quenching effect caused by H2O molecules and efficiently shortening the distance of energy transfer from OTC to Eu3+. Meanwhile, the fluorescence of NCDs apparently decreases due to aggregation-caused quenching. The results demonstrate that a ratiometric detection of OTC (0.1–25 µM) with a detection limit of 29 nM based on the double response signals is achieved. Additionally, visual semi-quantitative assay of OTC can be realized with the naked eye under a 365 nm UV lamp according to the fluorescence color change of the as-fabricated probe. This probe exhibits acceptable specificity and anti-interference for OTC assay, holding promise for the fast detection of OTC in real water and milk samples. Full article
(This article belongs to the Special Issue Functionalized Hybridization for Next-Generation Nanophotonic Devices)
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Review

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16 pages, 6532 KiB  
Review
Lead Monoxide Nanostructures for Nanophotonics: A Review
by Hongyan Chen, Mengke Wang and Weichun Huang
Nanomaterials 2023, 13(12), 1842; https://doi.org/10.3390/nano13121842 - 12 Jun 2023
Cited by 3 | Viewed by 1585
Abstract
Black-phosphorus-analog lead monoxide (PbO), as a new emerging 2D material, has rapidly gained popularity in recent years due to its unique optical and electronic properties. Recently, both theoretical prediction and experimental confirmation have revealed that PbO exhibits excellent semiconductor properties, including a tunable [...] Read more.
Black-phosphorus-analog lead monoxide (PbO), as a new emerging 2D material, has rapidly gained popularity in recent years due to its unique optical and electronic properties. Recently, both theoretical prediction and experimental confirmation have revealed that PbO exhibits excellent semiconductor properties, including a tunable bandgap, high carrier mobility, and excellent photoresponse performance, which is undoubtedly of great interest to explore its practical application in a variety of fields, especially in nanophotonics. In this minireview, we firstly summarize the synthesis of PbO nanostructures with different dimensionalities, then highlight the recent progress in the optoelectronics/photonics applications based on PbO nanostructures, and present some personal insights on the current challenges and future opportunities in this research area. It is anticipated that this minireview can pave the way to fundamental research on functional black-phosphorus-analog PbO-nanostructure-based devices to meet the growing demands for next-generation systems. Full article
(This article belongs to the Special Issue Functionalized Hybridization for Next-Generation Nanophotonic Devices)
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