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ChemEngineering, Volume 8, Issue 1

February 2024 - 25 articles

Cover Story: This study introduces a simple but powerful method for crafting advanced surface-enhanced Raman scattering (SERS) substrates. By subjecting Au nanowires to controlled heat, we observed a remarkable transformation: the nanowires transitioned into nanospheres and nanorods at elevated temperatures. This transformation significantly enhanced Raman signals, particularly demonstrated with Rhodamine B molecules. This highlights the crucial role of heat-induced Au nanowire changes in increasing the SERS effect. The presented method proves to be cost-effective and reliable for producing high-performing SERS substrates. By simplifying the fabrication process, we are opening doors to efficient and affordable advancements in Raman technology. View this paper
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Articles (25)

  • Communication
  • Open Access
2 Citations
3,012 Views
10 Pages

Synthesis of ZnS/Al2O3/TaSe2 Core/Shell Nanowires Using Thin Ta Metal Film Precursor

  • Boris Polyakov,
  • Kevon Kadiwala,
  • Edgars Butanovs,
  • Luize Dipane,
  • Annamarija Trausa,
  • Dmitry Bocharov and
  • Sergei Vlassov

This study introduces a novel approach for fabricating ZnS/Al2O3/TaSe2 heterostructured core/shell nanowires (NWs) through the selenization of a metallic Ta thin film precursor. The synthesis process involves a meticulously designed four-step protoco...

  • Article
  • Open Access
4 Citations
2,964 Views
29 Pages

Fall and Rise: Disentangling Cycle Life Trends in Atmospheric Plasma-Synthesized FeOOH/PANI Composite for Conversion Anodes in Lithium-Ion Batteries

  • Evgenii V. Beletskii,
  • Alexey I. Volkov,
  • Ksenia A. Kharisova,
  • Oleg V. Glumov,
  • Maksim A. Kamarou,
  • Daniil A. Lukyanov and
  • Oleg V. Levin

Various iron oxides have been proven to be promising anode materials for metal-ion batteries due to their natural abundance, high theoretical capacity, ease of preparation, and environmental friendliness. However, the synthesis of iron oxide-based co...

  • Review
  • Open Access
13 Citations
6,922 Views
16 Pages

A Review on Lanthanum-Based Materials for Phosphate Removal

  • Sundarakannan Rajendran,
  • A. V. S. L. Sai Bharadwaj,
  • Praveen Barmavatu,
  • Geetha Palani,
  • Herri Trilaksanna,
  • Karthik Kannan and
  • Nagaraj Meenakshisundaram

In the past decade, eutrophication and phosphate recovery from surface water have become major issues. Adsorption is an effective method for phosphate removal because of its high efficiency. Even though lanthanum-based compounds are effective at remo...

  • Brief Report
  • Open Access
2,407 Views
12 Pages

Chemical Species Formed on FeB-Fe2B Layers during Wet Sliding Wear Test

  • Ricardo Andrés García-León and
  • Nelson Afanador-García

In the present work, X-ray photoelectron spectroscopy (XPS) survey spectra of borided AISI 316L for two different times (1 and 6 h) of exposure to simulated body fluid (SBF) were obtained after wet sliding wear. A borided layer of ~39 microns was obt...

  • Article
  • Open Access
2,711 Views
21 Pages

We report a detailed investigation of the vibrational modes, structure, and dynamics of glutathione (GSH) solutions using ultrasonic relaxation spectroscopy, FT-IR vibrational spectroscopy, and electronic absorption measurements. The experimental dat...

  • Article
  • Open Access
6 Citations
3,380 Views
12 Pages

Novel Bi-Functional MoS2/α-Fe2O3 Nanocomposites for High Photocatalytic Performance

  • Islam Ibrahim,
  • Pinelopi P. Falara,
  • Elias Sakellis,
  • Maria Antoniadou,
  • Chrysoula Athanasekou and
  • Michalis K. Arfanis

In this study, 3-dimensional molybdenum disulfide (MoS2) structures, integrated with hematite (α-Fe2O3) nanoparticles, were fabricated under a convenient two-step hydrothermal route. The fabricated photocatalytic nanocomposites consist of well-...

  • Communication
  • Open Access
3 Citations
3,183 Views
13 Pages

Zinc Oxide Tetrapods Doped with Silver Nanoparticles as a Promising Substrate for the Detection of Biomolecules via Surface-Enhanced Raman Spectroscopy

  • Edgars Vanags,
  • Ivita Bite,
  • Liga Ignatane,
  • Reinis Ignatans,
  • Annamarija Trausa,
  • Ciro Federiko Tipaldi,
  • Karlis Vilks and
  • Krisjanis Smits

In this study, we report the fabrication and characterization of silver nanoparticle-doped zinc oxide tetrapod substrates used for surface-enhanced Raman scattering to detect rhodamine B. Prior to this, silver nanoparticle-doped zinc oxide tetrapods...

  • Article
  • Open Access
28 Citations
4,682 Views
15 Pages

Characterization and Thermal Evaluation of a Novel Bio-Based Natural Insulation Material from Posidonia oceanica Waste: A Sustainable Solution for Building Insulation in Algeria

  • Dhouha Ben Hadj Tahar,
  • Zakaria Triki,
  • Mohamed Guendouz,
  • Hichem Tahraoui,
  • Meriem Zamouche,
  • Mohammed Kebir,
  • Jie Zhang and
  • Abdeltif Amrane

Natural bio-based insulation materials have been the most interesting products for good performance and low carbon emissions, becoming widely recognized for their sustainability in the context of climate change and the environmental impact of the bui...

  • Review
  • Open Access
14 Citations
9,408 Views
31 Pages

The global issue of climate change caused by humans and its inextricable linkage to our present and future energy demand presents the biggest challenge facing our globe. Hydrogen has been introduced as a new renewable energy resource. It is envisaged...

  • Article
  • Open Access
4 Citations
3,612 Views
15 Pages

Enhancing Recovery Yield of Vegetable Oil Methyl Ester for Bioresin Production: A Comparison Study Using Acid Neutralization

  • Md. Sanaul Huda,
  • Michael Odegaard,
  • Niloy Chandra Sarker,
  • Dean C. Webster and
  • Ewumbua Monono

Vegetable oil methyl ester has promising properties for bio-based resin production due to its higher degree of unsaturation. The initial low methyl ester yield from corn oil compared to soybean and canola oils requires further investigation of the in...

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ChemEngineering - ISSN 2305-7084