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Nanomaterials, Volume 15, Issue 5

March-1 2025 - 91 articles

Cover Story: Thermoelectric materials can reduce greenhouse gas emissions, lower energy consumption, and improve energy management by converting heat into electricity. However, integrating new thermoelectric materials into bulk devices remains challenging. To address this, efficient tetrahedrite nanocomposites were prepared via solid-state reaction, followed by MoS2 nanoparticle addition and hot-pressing. Characterization by XRD, SEM-EDS, and Raman spectroscopy confirmed the nanoparticle distribution. The inclusion of nanoparticles reduced lattice thermal conductivity while retaining mobility, increasing the maximum thermoelectric figure of merit by 36%, demonstrating the potential of nanocomposites for use in next-generation, cost-effective thermoelectric devices. View this paper
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Articles (91)

  • Article
  • Open Access
4 Citations
1,446 Views
15 Pages

Using a heterogeneous metal Nano Hemisphere on Mirror (NHoM) structure, composed of an Al2O3 thin film and Au nano-hemispheres formed on a thick Al film, we successfully generated two distinct surface plasmon resonance (SPR) peaks: one in the ultravi...

  • Article
  • Open Access
3 Citations
1,834 Views
11 Pages

Design of a Low-Infrared-Emission and Wideband-Microwave-Absorption Lightweight Metasurface

  • Liping Liu,
  • Zongsheng Chen,
  • Zhigang Li,
  • Yajing Chang,
  • Pengfei Li,
  • Xun Liu,
  • Xuesong Deng and
  • Yunsong Feng

The compatibility of low infrared emission and wideband microwave absorption has drawn extensive attention, both theoretically and practically. In this paper, an infrared–radar-compatible stealth metasurface is designed using transparent conduc...

  • Article
  • Open Access
1,672 Views
10 Pages

The Frequency Response Characteristics of Ge-on-Si Photodetectors Under High Incident Power

  • Jin Jiang,
  • Hongmin Chen,
  • Fenghe Yang,
  • Chunlai Li,
  • Jin He,
  • Xiumei Wang and
  • Jishi Cui

This study explores the mechanisms responsible for the bandwidth reduction observed in germanium photodetectors under high signal light power. We investigate the impact of the carrier-shielding effect on the bandwidth through simulations, and we miti...

  • Article
  • Open Access
2 Citations
1,742 Views
15 Pages

Fluorescent Silver Nanoclusters Associated with Double-Stranded Poly(dGdC) DNA

  • Zakhar Reveguk,
  • Roberto Improta,
  • Lara Martínez-Fernández,
  • Ruslan Ramazanov,
  • Shachar Richter and
  • Alexander Kotlyar

Here, we demonstrate through AFM imaging and CD spectroscopy that the binding of silver ions (Ag+) to poly(dGdC), a double-stranded (ds) DNA composed of two identical repeating strands, at a stoichiometry of one Ag+ per GC base pair induces a one-bas...

  • Article
  • Open Access
4 Citations
1,048 Views
13 Pages

The nucleation and growth of surface islands in the pre-coalescence stage has previously been studied by different methods, including the rate equation approach and kinetic Monte Carlo simulations. However, full understanding of island growth kinetic...

  • Article
  • Open Access
2 Citations
1,743 Views
17 Pages

Modified Fe3O4 Nanoparticles for Foam Stabilization: Mechanisms and Applications for Enhanced Oil Recovery

  • Dandan Yin,
  • Judong Qiu,
  • Dongfeng Zhao,
  • Yongzheng Wang,
  • Tao Huang,
  • Yunqian Long and
  • Xiaohe Huang

Nanoparticles (NPs) have shown great potential in stabilizing foam for enhanced oil recovery (EOR). However, conventional NPs are difficult to recover and may contaminate produced oil, increasing operational costs. In contrast, superparamagnetic Fe3O...

  • Review
  • Open Access
8 Citations
4,625 Views
20 Pages

Biological Effects of Micro-/Nano-Plastics in Macrophages

  • Massimiliano G. Bianchi,
  • Lavinia Casati,
  • Giulia Sauro,
  • Giuseppe Taurino,
  • Erika Griffini,
  • Christian Milani,
  • Marco Ventura,
  • Ovidio Bussolati and
  • Martina Chiu

The environmental impact of plastics is worsened by their inadequate end-of-life disposal, leading to the ubiquitous presence of micro- (MPs) and nanosized (NPs) plastic particles. MPs and NPs are thus widely present in water and air and inevitably e...

  • Article
  • Open Access
1 Citations
1,361 Views
11 Pages

Inverse Design of Multi-Port Power Splitter with Arbitrary Ratio Based on Shape Optimization

  • Yang Liu,
  • Zhe Kang,
  • Haoda Xu,
  • Guangbiao Zhong,
  • Ruitao Zhang,
  • Chaoying Fu and
  • Ye Tian

Arbitrary ratio power splitters (APSs) play a crucial role in enhancing the flexibility of photonic integrated circuits (PICs) on the silicon-on-insulator (SOI) platform. However, most existing APSs are designed with two output channels, limiting the...

  • Article
  • Open Access
1 Citations
1,146 Views
11 Pages

Temperature-Dependent Morphology Modulation of MoO2 from 1D Nanoribbons to 2D Nanoflakes for Enhanced Two-Dimensional Electrode Applications

  • Di Wu,
  • Tianrong Yi,
  • Yutao Hu,
  • Jianxiong Xie,
  • Yu Deng,
  • Junqi He,
  • Yuting Sun,
  • Jidong Liu,
  • Qiaoyan Hao and
  • Wenjing Zhang

The morphology modulation of target crystals is important for understanding their growth mechanisms and potential applications. Herein, we report a convenient method for modulating the morphology of MoO2 by controlling different growth temperatures....

  • Article
  • Open Access
1 Citations
1,765 Views
14 Pages

Stretchable, Patterned Carbon Nanotube Array Enhanced by Ti3C2Tx/Graphene for Electromagnetic Interference Shielding

  • Baohua Li,
  • Xuebin Liu,
  • Jiyong Feng,
  • Yunfan Wang,
  • Junhua Huang,
  • Zhengwei Fu,
  • Zhiping Zeng,
  • Jianghui Zheng and
  • Xuchun Gui

Stretchability and flexibility are essential characteristics for high-performance electromagnetic interference (EMI) shielding materials in wearable and smart devices. However, achieving these mechanical properties while also maintaining high EMI shi...

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Nanomaterials - ISSN 2079-4991