Advances on the Application of Nanomaterials and 2D Materials for Sensors, Solar Cells, Microelectronics, and Optoelectronics

Topic Information

Dear Colleagues,

The advances in nanostructures and 2D materials have already demonstrated the potential for new devices in nanoelectronics, photonics, solar cells, and sensors. This Topic will focus on aspects of nanotechnology associated with different types of nanomaterials and 2D materials. Different issues relevant to 2D materials and other low-dimensional structures, such as nanowires, nanocrystals, and nanopores, are potential topics. Additionally, this Topic also welcome submissions addressing fabrication techniques such as lithography, material processing, physical approaches, chemical bath deposition and etching, liquid phase exfoliation, nanoparticle formation, and several other different routes for nanofabrication.

Photonic devices as detectors, light-emitting sources, waveguides, and optical modulators are also included. Moreover, defect characterization, engineering, and the impact of crystal quality on the properties of electronic and photonic devices are also topics relevant to this Topic, as is the application of 2D materials and nanomaterials in the field of biological and chemical sensors and their impact on sensing performances.

This Topic of Molecules will attempt to cover the most recent advances in nanomaterials and 2D materials, from synthesis and characterization to photonics, nanoelectronics, solar cells, and sensor applications.

Potential topics include, but are not limited to:

• Fabrication and characterization of several 2D materials and nanostructures, nanodevices and nanosensors;
• Nanowires, nanorods, nanoclusters, nanotubes, 2D sheet and flake synthesis and characterization;
• Carrier transport in nanodevices;
• Optoelectronic materials and nanodevices using nanomaterial heterostructures and different type of 2D materials;
• Defect characterization and engineering;
• Integration of photonics with CMOS technology;
• Strain band-gap engineering and carrier transport in CMOS;
• Si-compatible waveguide technology and nanodevice­s;
• Light emitting devices, detectors, waveguides, optical modulators ;
• Luminescence in nanostructures or 2D material based devices;
• Integrated waveguide sensing;
• Nanomaterials and 2D materials for life science applications;
• Nanoscale biosensors;
• Surface enhancement raman scattering sensors;
• Plasmonic effect in nanomaterials and 2D materials;
• Antibacterial nanomaterial and 2D material platforms;
• Environmental sensors based on nanomaterials and 2D materials

Prof. Dr. Alessia Irrera
Dr. Antonio Alessio Leonardi
Topic Editors

Keywords

Participating Journals

Journal Name	Impact Factor	CiteScore	Launched Year	First Decision (median)	APC
Energies energies	3.2	5.5	2008	16.1 Days	CHF 2600
Fibers fibers	3.9	7.0	2013	24.1 Days	CHF 2000
Micromachines micromachines	3.4	4.7	2010	16.1 Days	CHF 2600
Molecules molecules	4.6	6.7	1996	14.6 Days	CHF 2700
Nanoenergy Advances nanoenergyadv	-	-	2021	31 Days	CHF 1000

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Published Papers (5 papers)

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All Energies Fibers Micromachines Molecules Nanoenergy Advances

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33 pages, 8143 KiB  

Open AccessReview

Multiple Bioimaging Applications Based on the Excellent Properties of Nanodiamond: A Review

by Xinyue Wang, Dandan Sang, Liangrui Zou, Shunhao Ge, Yu Yao, Jianchao Fan and Qinglin Wang

Molecules 2023, 28(10), 4063; https://doi.org/10.3390/molecules28104063 - 12 May 2023

Viewed by 1599

Abstract

Nanodiamonds (NDs) are emerging as a promising candidate for multimodal bioimaging on account of their optical and spectroscopic properties. NDs are extensively utilized for bioimaging probes due to their defects and admixtures in their crystal lattice. There are many optically active defects presented [...] Read more.

Nanodiamonds (NDs) are emerging as a promising candidate for multimodal bioimaging on account of their optical and spectroscopic properties. NDs are extensively utilized for bioimaging probes due to their defects and admixtures in their crystal lattice. There are many optically active defects presented in NDs called color centers, which are highly photostable, extremely sensitive to bioimaging, and capable of electron leap in the forbidden band; further, they absorb or emit light when leaping, enabling the nanodiamond to fluoresce. Fluorescent imaging plays a significant role in bioscience research, but traditional fluorescent dyes have some drawbacks in physical, optical and toxicity aspects. As a novel fluorescent labeling tool, NDs have become the focus of research in the field of biomarkers in recent years because of their various irreplaceable advantages. This review primarily focuses on the recent application progress of nanodiamonds in the field of bioimaging. In this paper, we will summarize the progress of ND research from the following aspects (including fluorescence imaging, Raman imaging, X-ray imaging, magnetic modulation fluorescence imaging, magnetic resonance imaging, cathodoluminescence imaging, and optical coherence tomography imaging) and expect to supply an outlook contribution for future nanodiamond exploration in bioimaging. Full article

(This article belongs to the Topic Advances on the Application of Nanomaterials and 2D Materials for Sensors, Solar Cells, Microelectronics, and Optoelectronics)
(This article belongs to the Section Materials Chemistry)

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14 pages, 3969 KiB  

Open AccessArticle

Platinum Nanoparticles Loaded Graphitic Carbon Nitride Nanosheets with Enhanced Peroxidase-like Activity for H₂O₂ and Oxidase-Based Sensing

by Gege Yang, Ying Chen, Rui Shi, Rongrong Chen, Shanshan Gao, Xin Zhang, Yuan Rao, Ying Lu, Yuancheng Peng, Zhihe Qing and Chunxia Song

Molecules 2023, 28(9), 3736; https://doi.org/10.3390/molecules28093736 - 26 Apr 2023

Cited by 3 | Viewed by 1429

Abstract

Platinum nanoparticles (PtNPs) are classical peroxidase-like nanozyme; self-agglomeration of nanoparticles leads to the undesirable reduction in stability and catalytic activity. Herein, a hybrid peroxidase-like nanocatalyst consisting of PtNPs in situ growing on g–C₃N₄ nanosheets with enhanced peroxidase-mimic catalytic activity (PtNP@g–C [...] Read more.

Platinum nanoparticles (PtNPs) are classical peroxidase-like nanozyme; self-agglomeration of nanoparticles leads to the undesirable reduction in stability and catalytic activity. Herein, a hybrid peroxidase-like nanocatalyst consisting of PtNPs in situ growing on g–C₃N₄ nanosheets with enhanced peroxidase-mimic catalytic activity (PtNP@g–C₃N₄ nanosheets) was prepared for H₂O₂ and oxidase-based colorimetric assay. g–C₃N₄ nanosheets can be used as carriers to solve the problem of poor stability of PtNPs. We observed that the catalytic ability could be maintained for more than 90 days. PtNP@g–C₃N₄ nanosheets could quickly catalyze the oxidation of 3,3′,5,5′-tetramethylbenzidine (TMB), and the absorbance of blue color oxidized TMB (oxTMB) showed a robust linear relationship with the concentration of H₂O₂ (the detection limit (LOD): 3.33 μM). By utilizing H₂O₂ as a mediator, this strategy can be applied to oxidase-based biomolecules (glucose, organophosphorus, and so on, that generate or consume hydrogen peroxide) sensing. As a proof of concept, a sensitive assay of cholesterol that combined PtNP@g–C₃N₄ nanosheets with cholesterol oxidase (ChOx) cascade catalytic reaction was constructed with an LOD of 9.35 μM in a widespread range from 10 to 800 μM (R² = 0.9981). In addition, we also verified its ability to detect cholesterol in fetal bovine serum. These results showed application prospect of PtNP@g–C₃N₄ nanosheets-based colorimetry in sensing and clinical medical detection. Full article

(This article belongs to the Topic Advances on the Application of Nanomaterials and 2D Materials for Sensors, Solar Cells, Microelectronics, and Optoelectronics)
(This article belongs to the Section Materials Chemistry)

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31 pages, 13738 KiB  

Open AccessReview

Two Dimensional Heterostructures for Optoelectronics: Current Status and Future Perspective

by Zaheer Ud Din Babar, Ali Raza, Antonio Cassinese and Vincenzo Iannotti

Molecules 2023, 28(5), 2275; https://doi.org/10.3390/molecules28052275 - 28 Feb 2023

Cited by 2 | Viewed by 2943

Abstract

Researchers have found various families of two-dimensional (2D) materials and associated heterostructures through detailed theoretical work and experimental efforts. Such primitive studies provide a framework to investigate novel physical/chemical characteristics and technological aspects from micro to nano and pico scale. Two-dimensional van der [...] Read more.

Researchers have found various families of two-dimensional (2D) materials and associated heterostructures through detailed theoretical work and experimental efforts. Such primitive studies provide a framework to investigate novel physical/chemical characteristics and technological aspects from micro to nano and pico scale. Two-dimensional van der Waals (vdW) materials and their heterostructures can be obtained to enable high-frequency broadband through a sophisticated combination of stacking order, orientation, and interlayer interactions. These heterostructures have been the focus of much recent research due to their potential applications in optoelectronics. Growing the layers of one kind of 2D material over the other, controlling absorption spectra via external bias, and external doping proposes an additional degree of freedom to modulate the properties of such materials. This mini review focuses on current state-of-the-art material design, manufacturing techniques, and strategies to design novel heterostructures. In addition to a discussion of fabrication techniques, it includes a comprehensive analysis of the electrical and optical properties of vdW heterostructures (vdWHs), particularly emphasizing the energy-band alignment. In the following sections, we discuss specific optoelectronic devices, such as light-emitting diodes (LEDs), photovoltaics, acoustic cavities, and biomedical photodetectors. Furthermore, this also includes a discussion of four different 2D-based photodetector configurations according to their stacking order. Moreover, we discuss the challenges that remain to be addressed in order to realize the full potential of these materials for optoelectronics applications. Finally, as future perspectives, we present some key directions and express our subjective assessment of upcoming trends in the field. Full article

(This article belongs to the Topic Advances on the Application of Nanomaterials and 2D Materials for Sensors, Solar Cells, Microelectronics, and Optoelectronics)
(This article belongs to the Section Materials Chemistry)

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12 pages, 4315 KiB  

Open AccessArticle

Electrodeposition of Molybdenum Disulfide (MoS₂) Nanoparticles on Monocrystalline Silicon

by Martina Vizza, Walter Giurlani, Lorenzo Cerri, Nicola Calisi, Antonio Alessio Leonardi, Maria Josè Lo Faro, Alessia Irrera, Enrico Berretti, Juan Víctor Perales-Rondón, Alvaro Colina, Elena Bujedo Saiz and Massimo Innocenti

Molecules 2022, 27(17), 5416; https://doi.org/10.3390/molecules27175416 - 24 Aug 2022

Cited by 8 | Viewed by 2275

Abstract

Molybdenum disulfide (MoS₂) has attracted great attention for its unique chemical and physical properties. The applications of this transition metal dichalcogenide (TMDC) range from supercapacitors to dye-sensitized solar cells, Li-ion batteries and catalysis. This work opens new routes toward the use [...] Read more.

Molybdenum disulfide (MoS₂) has attracted great attention for its unique chemical and physical properties. The applications of this transition metal dichalcogenide (TMDC) range from supercapacitors to dye-sensitized solar cells, Li-ion batteries and catalysis. This work opens new routes toward the use of electrodeposition as an easy, scalable and cost-effective technique to perform the coupling of Si with molybdenum disulfide. MoS₂ deposits were obtained on n-Si (100) electrodes by electrochemical deposition protocols working at room temperature and pressure, as opposed to the traditional vacuum-based techniques. The samples were characterized by X-ray Photoelectron Spectroscopy (XPS), Scanning Electron Microscopy (SEM), Atomic Force Microscopy (AFM) and Rutherford Back Scattering (RBS). Full article

(This article belongs to the Topic Advances on the Application of Nanomaterials and 2D Materials for Sensors, Solar Cells, Microelectronics, and Optoelectronics)
(This article belongs to the Section Materials Chemistry)

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14 pages, 2066 KiB  

Open AccessArticle

Hybrid Platforms of Silicon Nanowires and Carbon Nanotubes in an Ionic Liquid Bucky Gel

by Maria José Lo Faro, Antonio Alessio Leonardi, Dario Morganti, Sabrina Conoci, Barbara Fazio and Alessia Irrera

Molecules 2022, 27(14), 4412; https://doi.org/10.3390/molecules27144412 - 09 Jul 2022

Cited by 2 | Viewed by 1449

Abstract

Silicon nanowires (NWs) are appealing building blocks for low-cost novel concept devices with improved performances. In this research paper, we realized a hybrid platform combining an array of vertically oriented Si NWs with different types of bucky gels, obtained from carbon nanotubes (CNT) [...] Read more.

Silicon nanowires (NWs) are appealing building blocks for low-cost novel concept devices with improved performances. In this research paper, we realized a hybrid platform combining an array of vertically oriented Si NWs with different types of bucky gels, obtained from carbon nanotubes (CNT) dispersed into an ionic liquid (IL) matrix. Three types of CNT bucky gels were obtained from imidazolium-based ionic liquids (BMIM-I, BIMI-BF₄, and BMIM-Tf₂N) and semiconductive CNTs, whose structural and optical responses to the hybrid platforms were analyzed and compared. We investigated the electrical response of the IL-CNT/NW hybrid junctions in dark and under illumination for each platform and its correlation to the ionic liquid characteristics and charge mobility. The reported results confirm the attractiveness of such IL-CNT/NW hybrid platforms as novel light-responsive materials for photovoltaic applications. In particular, our best performing cell reported a short-circuit current density of 5.6 mA/cm² and an open-circuit voltage of 0.53 V. Full article

(This article belongs to the Topic Advances on the Application of Nanomaterials and 2D Materials for Sensors, Solar Cells, Microelectronics, and Optoelectronics)
(This article belongs to the Section Materials Chemistry)

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