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Nanomaterials
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Light-Nanomaterials Interactions
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Light-Nanomaterials Interactions

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

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 2375

Special Issue Editor

Dr. Kung-Hsuan Lin

E-Mail Website
Guest Editor
Institute of Physics, Academia Sinica, Taipei, Taiwan
Interests: ultrafast phenomena; nonlinear optics; laser spectroscopy; ultrafast optics; ultrafast acoustics

Special Issue Information

Dear Colleagues,

Nanomaterials, with a least one dimension below 100 nm, are widely used in various fields, such as optoelectronics, sensors, biomedicine, and ultrafast photonics, due to their remarkable optical and electrical properties. Light–matter interaction such as light absorption, and the transmission, reflection and scattering of matters is the basis of fundamental research and devices for applications. Due to the light–matter interactions, laser spectroscopy can be used to study physical properties of matter. Photonic devices are also based on the manipulation of light–matter interactions. In recent decades, nanomaterials such as 2D materials have been used in nonlinear and ultrafast optics, which have made significant contributions to various optical devices with excellent performance, such as ultrafast lasers, low-dispersion mirrors, optical fibers, optical component (SESAMs, optical modulators, ultrashort light pulses). Two-dimensional layered materials and 2D perovskite materials have also been used for optoelectronic devices such as photodetectors, photovoltaics, LED and lasers. Nanostructured materials, including metasurface, metamaterials and single nanostructures, have been designed to manipulate optical spectra and beam steering. Light–nanomaterial interaction, therefore, has a broad range of applications in various areas.

The Special Issue aims to present the recent advances in light–nanomaterial interactions for fundamental research and applications. The topics include the linear/nonlinear optical properties of nanomaterials studied by laser spectroscopy, and the design of nanostructures for altering optical properties. All interested authors are welcomed to submit their newest research results for possible publication in this Special Issue.

Dr. Kung-Hsuan Lin
Guest Editor

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

  • 2D materials
  • 2D perovskite
  • nanomaterials
  • nonlinear optics
  • ultrafast spectroscopy
  • metamaterial, metasurface
  • plasmonics
  • Mie resonance

Published Papers (2 papers)

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Research

11 pages, 4711 KiB  
Article
Uniaxial Strain Dependence on Angle-Resolved Optical Second Harmonic Generation from a Few Layers of Indium Selenide
by Zi-Yi Li, Hao-Yu Cheng, Sheng-Hsun Kung, Hsuan-Chun Yao, Christy Roshini Paul Inbaraj, Raman Sankar, Min-Nan Ou, Yang-Fang Chen, Chi-Cheng Lee and Kung-Hsuan Lin
Nanomaterials 2023, 13(4), 750; https://doi.org/10.3390/nano13040750 - 16 Feb 2023
Cited by 4 | Viewed by 1680
Abstract
Indium selenide (InSe) is an emerging van der Waals material, which exhibits the potential to serve in excellent electronic and optoelectronic devices. One of the advantages of layered materials is their application to flexible devices. How strain alters the electronic and optical properties [...] Read more.
Indium selenide (InSe) is an emerging van der Waals material, which exhibits the potential to serve in excellent electronic and optoelectronic devices. One of the advantages of layered materials is their application to flexible devices. How strain alters the electronic and optical properties is, thus, an important issue. In this work, we experimentally measured the strain dependence on the angle-resolved second harmonic generation (SHG) pattern of a few layers of InSe. We used the exfoliation method to fabricate InSe flakes and measured the SHG images of the flakes with different azimuthal angles. We found the SHG intensity of InSe decreased, while the compressive strain increased. Through first–principles electronic structure calculations, we investigated the strain dependence on SHG susceptibilities and the corresponding angle-resolved SHG pattern. The experimental data could be fitted well by the calculated results using only a fitting parameter. The demonstrated method based on first–principles in this work can be used to quantitatively model the strain-induced angle-resolved SHG patterns in 2D materials. Our obtained results are very useful for the exploration of the physical properties of flexible devices based on 2D materials. Full article
(This article belongs to the Special Issue Light-Nanomaterials Interactions)
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10 pages, 6559 KiB  
Article
Resonance Coupling in Si@WS2Core-Ω Shell Nanostructure
by Haomin Guo, Qi Hu, Chengyun Zhang, Zihao Fan, Haiwen Liu, Runmin Wu, Zhiyu Liu and Shusheng Pan
Nanomaterials 2023, 13(3), 462; https://doi.org/10.3390/nano13030462 - 23 Jan 2023
Viewed by 1590
Abstract
Realizing strong laser–matter interaction in a heterostructure consisting of two-dimensional transition metal dichalcogenides (TMDCs) and an optical nanocavity is a potential strategy for novel photonic devices. In this paper, two core-Ω shell nanostructures, Si@WS2 core-Ω shell nanostructure on glass/Si substrates, are briefly [...] Read more.
Realizing strong laser–matter interaction in a heterostructure consisting of two-dimensional transition metal dichalcogenides (TMDCs) and an optical nanocavity is a potential strategy for novel photonic devices. In this paper, two core-Ω shell nanostructures, Si@WS2 core-Ω shell nanostructure on glass/Si substrates, are briefly introduced. A strong laser–matter interaction occurred in the Si@WS2 core-Ω shell nanostructure when it was excited by femtosecond (fs) laser in the near-infrared-1 region (NIR-1, 650 nm–950 nm), resulting in a resonance coupling between the electric dipole resonance (EDR) of the Si nanosphere (NS) and the exciton resonance of the WS2 nanomembrane (NMB). The generation of resonance coupling regulates the resonant mode of the nanostructure to realize the multi-dimensional nonlinear optical response, which can be utilized in the fields of biological imaging and nanoscale light source. Full article
(This article belongs to the Special Issue Light-Nanomaterials Interactions)
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