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Nanomaterials in Electronics and Optoelectronics: Towards Next-Generation Devices

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: closed (20 April 2025) | Viewed by 491

Special Issue Editor

Department of Advanced Materials Engineering, Chung-Ang University, Anseong, Republic of Korea
Interests: self-powered system; flexible electronics; bioresorbable materials; 3D structure
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

I am pleased to introduce our Special Issue, "Nanomaterials in Electronics and Optoelectronics: Towards Next-Generation Devices". This comprehensive collection of articles delves into the groundbreaking applications of nanomaterials, emphasizing their pivotal role in advancing modern technology. This Special Issue covers the development of skin electronics, which provide innovative solutions for real-time health monitoring through seamless skin integration. We explore the potential of implantable systems utilizing bioresorbable nanomaterials, designed to safely dissolve in the body, thus reducing long-term health risks and environmental impact.

Materials also highlights the emerging field of nanogenerators, which convert mechanical energy into electrical energy, significantly boosting the efficiency and sustainability of wearable and implantable devices. Furthermore, we discuss the integration of artificial intelligence with nanomaterial-based electronics, enhancing device performance, data analysis, and predictive maintenance. This synergy between nanotechnology and AI is paving the way for smarter, more responsive, and sustainable electronic and optoelectronic devices.

I invite you to explore this Special Issue, which showcases the transformative potential of nanomaterials in shaping the future of technology.

Dr. Hanjun Ryu
Guest Editor

Manuscript Submission Information

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Keywords

  • nanomaterials
  • skin electronics
  • implantable system
  • nanogenerator
  • bioresorbable
  • artificial intelligence
  • optoelectronics

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Published Papers (1 paper)

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Research

16 pages, 4702 KiB  
Article
Exploiting the Modulation Effects of Epitaxial Vanadium Film in a Quasi-BIC-Based Terahertz Metamaterial
by Chang Lu, Junxiao Liu, Sihong Chen and Junxiong Guo
Materials 2025, 18(10), 2197; https://doi.org/10.3390/ma18102197 - 10 May 2025
Viewed by 285
Abstract
Terahertz (THz) metamaterials based on phase-change materials (PCMs) offer promising approaches to the dynamic modulation of electromagnetic responses. In this study, we design and experimentally demonstrate a tunable THz metamaterial composed of a symmetric split-ring resonator (SRR) pair, with the left halves covered [...] Read more.
Terahertz (THz) metamaterials based on phase-change materials (PCMs) offer promising approaches to the dynamic modulation of electromagnetic responses. In this study, we design and experimentally demonstrate a tunable THz metamaterial composed of a symmetric split-ring resonator (SRR) pair, with the left halves covered by a 35 nm thick epitaxial vanadium dioxide (VO2) film, enabling the simultaneous exploitation of both permittivity- and conductivity-induced modulation mechanisms. During the metal–insulator transition (MIT) of VO2, cooperative changes in permittivity and conductivity lead to the excitation, redshift, and eventual disappearance of a quasi-bound state in the continuum (QBIC) resonance. Finite element simulations, using optical parameters of VO2 film defined by the Drude–Smith model, predict the evolution of the transmission spectra well. These results indicate that the permittivity change originating from mesoscopic carrier confinement is a non-negligible factor in THz metamaterials hybridized with VO2 film and also reveal the potential for developing reconfigurable THz metamaterials based on the dielectric modulation effects of VO2 film. Full article
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