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Materials, Volume 17, Issue 18

2024 September-2 - 238 articles

Cover Story: Butterfly wings with complex hierarchical nanoarchitectures constitute a promising substrate for the immobilization of photocatalytic Cu2O nanoparticles and other similarly sized functional nano-objects. The native wax layer, consisting of n-alkanes, covering the wing scales of the common blue butterflies was removed with an ethanol pretreatment prior to deposition, which allowed for reproducible drop-casting. We found that the octahedral Cu2O nanoparticles integrated well into the photonic nanoarchitecture of the blue wing scales. These novel bio-nanohybrids based on butterfly wings and Cu2O nanoparticles exhibit properties that differ from their constituents and allow for the tuning of both their spectral properties and the properties arising from the Mie resonance. View this paper
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Articles (238)

  • Article
  • Open Access
1,937 Views
30 Pages

Analysis of Ni-Cu Interaction in Aluminum-Based Alloys: Hardness, Tensile and Precipitation Behavior

  • Ehab Samuel,
  • Agnes M. Samuel,
  • Victor Songmene,
  • Herbert W. Doty and
  • Fawzy H. Samuel

23 September 2024

The present work was aimed at quantifying the effects of Ni addition in the range of 0–4% together with 0.3%Zr on the hardness and the tensile properties, volume fraction of intermetallics, and changes in size and distribution of phase precipit...

  • Article
  • Open Access
4 Citations
1,530 Views
21 Pages

23 September 2024

In recent years, there have been an increasing number of examples of using ultrahigh-performance concrete (UHPC) as a pavement layer to form an ultrahigh-performance concrete–normal concrete (UHPC–NC) composite structure to improve the be...

  • Article
  • Open Access
1 Citations
1,483 Views
13 Pages

Wettability and Interfacial Reaction between the K492M Alloy and an Al2O3 Shell

  • Guangyao Chen,
  • Houjin Liao,
  • Shaowen Deng,
  • Man Zhang,
  • Zheyu Cai,
  • Hui Xu,
  • Enhui Wang,
  • Xinmei Hou and
  • Chonghe Li

23 September 2024

In this study, wettability behavior and the interaction between the K492M alloy and an Al2O3 shell were investigated at 1430 °C for 2~5 min. The microstructural characterization of the alloy–shell interface was carried out by optical micros...

  • Article
  • Open Access
2 Citations
1,926 Views
13 Pages

In-Situ Construction of Fe-Doped NiOOH on the 3D Ni(OH)2 Hierarchical Nanosheet Array for Efficient Electrocatalytic Oxygen Evolution Reaction

  • Mengyang Li,
  • Mingran Wang,
  • Qianwei Wang,
  • Yang Cao,
  • Jie Gao,
  • Zhicheng Wang,
  • Meiqi Gao,
  • Guosheng Duan and
  • Feng Cao

23 September 2024

Accessible and superior electrocatalysts to overcome the sluggish oxygen evolution reaction (OER) are pivotal for sustainable and low-cost hydrogen production through electrocatalytic water splitting. The iron and nickel oxohydroxide complexes are re...

  • Article
  • Open Access
3 Citations
1,343 Views
11 Pages

23 September 2024

The effects of various additives (Y2O3, Ga2O3, and WO3) on photocatalytic degradation efficiency under UV light-emitting diodes (LEDs) and the optical properties of TiO2 Degussa P25 were investigated using ketoprofen and diclofenac, two non-steroidal...

  • Article
  • Open Access
3 Citations
1,990 Views
13 Pages

Design of CO2-Resistant High-Entropy Perovskites Based on Ba0.5Sr0.5Co0.8Fe0.2O3-δ Materials

  • Yongfan Zhu,
  • Jia Liu,
  • Zhengkun Liu,
  • Gongping Liu and
  • Wanqin Jin

23 September 2024

High-entropy perovskite materials (HEPMs), characterized by their multi-element composition and highly disordered structure, can incorporate multiple rare earth elements at the A-site, producing perovskites with enhanced CO2 resistance, making them s...

  • Article
  • Open Access
5 Citations
2,454 Views
22 Pages

Enhancing the Mechanical Properties of AM60B Magnesium Alloys through Graphene Addition: Characterization and Regression Analysis

  • Song-Jeng Huang,
  • Jeffry Sanjaya,
  • Yudhistira Adityawardhana and
  • Sathiyalingam Kannaiyan

23 September 2024

The light weight and high strength of magnesium alloys have garnered significant attention, rendering them suitable for various applications across industries. Nevertheless, to meet industrial requirements, the mechanical properties must be improved....

  • Article
  • Open Access
4 Citations
3,525 Views
13 Pages

Characterization of Thermal Expansion Coefficient of 3D Printing Polymeric Materials Using Fiber Bragg Grating Sensors

  • Constantina Matsika-Klossa,
  • Nikoleta Chatzidai,
  • Charoula Kousiatza and
  • Dimitrios Karalekas

23 September 2024

This work aims at the determination of the coefficient of thermal expansion (CTE) of parts manufactured through the Fused Deposition Modeling process, employing fiber Bragg grating (FBG) sensors. Pure thermoplastic and composite specimens were built...

  • Article
  • Open Access
1 Citations
1,417 Views
19 Pages

23 September 2024

Insulating glass units (IGUs) are the most common filling for external building envelopes. These elements have many advantages related to the thermal protection of buildings. However, some climatic loads are generated or modified due to the sealed ga...

  • Article
  • Open Access
2 Citations
1,428 Views
11 Pages

23 September 2024

Within the scope of these investigations, the feasibility of a material bond between Ti-6Al-4V and the magnesium alloy AZ91 is analyzed. Ti-6Al-4V is frequently used for implants due to its biocompatibility, corrosion resistance, and specific strengt...

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Materials - ISSN 1996-1944