Article
Materials Science, Ceramics
Yashar Behnamian, Ermia Aghaie, Diana Serate, Zachary Tolentino, Hamid Niazi, Amir Mostafaei
Summary: A novel copper aluminate-silver nanocomposite was successfully synthesized using an organic acid-assisted sol-gel method, and its photocatalytic performance for the degradation of methylene blue under visible light illumination was investigated. The results showed that increasing the silver concentration resulted in larger crystallite size and average particle size. The nanocomposite with 3 wt% Ag exhibited the highest photocatalytic yield and structural stability.
CERAMICS INTERNATIONAL
(2022)
Article
Chemistry, Physical
Atefeh Panahi, Rozita Monsef, Shaymaa Abed Hussein, Shahad Ali Hammood, Waleed Khalid Al-Azzawi, Daroon Essam Raffik, Furqan S. Hashim, Masoud Salavati-Niasari
Summary: Textile sector poses a global pollution concern due to the unintentional spilling or dumping of dirty wastewater into rivers, impacting the quality of water resources. In this study, thulium vanadate (TmVO4) was prepared using various fabrication techniques, and the effect of these methods on the purity, morphology, shape, and size of TmVO4 was investigated. The results showed that TmVO4 prepared by the Pechini method at pH = 10 exhibited better morphology and uniform nanorods, and had higher photocatalytic activity.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Engineering, Environmental
Nguyn Hoang Ly, Vu Thi Huong, Bui Van Duc, Phuong-Dong Nguyen, Tejraj M. Aminabhavi, Yasser Vasseghian, Sang-Woo Joo
Summary: A CO2 capture and photocatalytic conversion system was used to study heterogeneous catalytic reactions in a biofluidic channel. The photo-reacted species produced in a microalgae fluid sample were analyzed using in situ Raman scattering and gas chromatography with mass spectroscopy. The results showed that microalgae have the potential to play significant roles in carbon capture, and the spectral features and time-dependent Raman spectral behaviors varied depending on the surface reaction conditions of the nanoparticles.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Physical
Mohammad Hossein Khorasanizadeh, Morteza Hajizadeh-Oghaz, Asma Khoobi, Safaa H. Ganduh, Makarim A. Mahdi, Waleed K. Abdulsahib, Layth S. Jasim, Masoud Salavati-Niasari
Summary: This study aims to investigate and verify the feasibility of using HoVO4/CuO heterostructures as new photocatalytic materials for the photodegradation of methyl violet dye. By adjusting different parameters, the optimal HoVO4 sample and HoVO4/CuO nanocomposite sample were obtained, and it was confirmed that the use of HoVO4/CuO heterostructure leads to increased dye degradation ability compared to pristine HoVO4 structures.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Biotechnology & Applied Microbiology
Atefeh Karami, Rozita Monsef, Mustafa Ridha Shihan, Laith Yassen Qassem, Mayadah W. Falah, Masoud Salavati-Niasari
Summary: This study investigates the synthesis and optimization of erbium vanadate nanostructures using the carboxylic-assisted Pechini method. The optimized ErVO4 nanoparticles show photocatalytic ability for dye decolorization and the correlation between operational parameters and optoelectronic properties is reported. The study also explores the magnetic properties of ErVO4 and confirms the role of hydroxyl radical in the removal of colored pollutants.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2022)
Article
Environmental Sciences
Dinesh Babu Manikandan, Manikandan Arumugam, Srinivasan Veeran, Arun Sridhar, Rajkumar Krishnasamy Sekar, Balaji Perumalsamy, Thirumurugan Ramasamy
Summary: Nanotechnology is a rapidly growing research field that actively influences and inhibits the growth of bacteria and cancer. This study focuses on the fabrication and characterization of copper oxide nanoparticles (CuONPs) using a green chemistry approach, demonstrating promising antibacterial, anticancer, and photocatalytic activities. The biofabricated CuONPs show potential for biomedical research in combating bacterial/cancer diseases and degrading azo dyes through photocatalysis.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Biochemistry & Molecular Biology
M. Ganeshbabu, J. Shiva Priya, G. Murali Manoj, N. Prasanna Naga Puneeth, C. Shobana, H. Shankar, R. Kalai Selvan
Summary: Research demonstrates the efficient degradation of fluoroquinolone-based antibiotics using functionalized copper oxide nanoparticles as a photocatalyst, highlighting their high efficiency and stability.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Materials Science, Multidisciplinary
Sipei Zhang, Ying Xu, Wen Zhang, Peng Cao
Summary: Cu and Y co-doped TiO2 nanoparticles were prepared using an acid-catalytic sol-gel process, resulting in a single anatase phase with reduced crystallite size. SEM observations showed uniform nanospheres being synthesized under the proposed conditions. XPS results demonstrated the presence of Cu+ and Y3+ ions. The photoactivity of the co-doped TiO2 was improved due to effective separation of electron-hole pairs, increased formation of active radicals, and increased surface area.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Article
Materials Science, Ceramics
Emine Sap
Summary: Metal matrix composite materials were produced by powder metallurgy processes with different proportions of Mo and SiCp powder particles. The effects of these particles on density, hardness, and wear performance were studied. The reinforcement ratios were found to have a significant impact on the properties of the composite materials.
CERAMICS INTERNATIONAL
(2021)
Article
Polymer Science
Ahmed Abutaleb
Summary: Simple and inexpensive techniques were used to synthesize copper nanoparticle decorated titania nanofibers using electrospinning and hydrothermal methods. These composite nanofibers showed good photocatalytic activity for dye degradation and hydrogen production.
Article
Environmental Sciences
Somayeh Mirsadeghi, Hamed Zandavar, Hamed Farhad Tooski, Mostafa Rahimi, Esmail Sohouli, Mehdi Rahimi-Nasrabadi, Mohammad Reza Ganjali, Seied Mahdi Pourmortazavi
Summary: The tin (II) tungstate nanoparticles were synthesized through chemical precipitation reaction and optimized using Taguchi design method. Different crystalline forms of the nanoparticles were evaluated for photocatalytic behavior and showed potential in degradation of organic dyes and drugs. The nanoparticles also demonstrated efficient sensing capabilities for drug determination in aqueous solution.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Energy & Fuels
Maryam Sadat Morassaei, Ali Salehabadi, Omid Amiri, Ahmad Akbari, Masoud Salavati-Niasari
Summary: The study presents the synthesis of CuCe2(MoO4)4 nanostructures and silicate layers for high-density hydrogen storage, exhibiting superior electrochemical performance with a maximum discharge capacity of -3750 mAh/g and efficiency of about 70% in an alkaline medium. The nanocomposite shows promise as a host material for electrochemical hydrogen storage systems, meeting the U.S. Department of Energy's hydrogen storage targets.
Article
Materials Science, Multidisciplinary
E. Afanaseva, E. Vaishlia, E. Lahderanta, I. E. Kolesnikov
Summary: In this study, Lu2(WO4)3: Yb3+, Tm3+ upconversion nanoparticles were successfully prepared using a modified Pechini method, with detailed investigation on the effect of Tm3+ doping concentration on structural and luminescence properties. The optimal Tm3+ doping concentration was found to be 0.3% for both 3H4-3H6 and 1G4-3F4 transitions. The nanoparticles showed characteristic transitions inside Tm3+ ions in emission and excitation spectra.
Article
Chemistry, Physical
Lama Omar, Thomas Onfroy, Stephane Daniele, Noemie Perret
Summary: This study explores the use of novel Cu/ZnO/ZnAl2O4/PAAH hybrid nanomaterials as catalysts for glycerol hydrogenolysis. The structural properties of these materials, including specific surface area, Lewis acidity, sizes and dispersion of copper nanoparticles, were modulated through sol-gel processes. The presence of PAAH and aluminium during synthesis improved the dispersion and metal-support interaction. Optimization of the catalysts led to high conversions of glycerol and selectivity towards 1,2-propanediol. Furthermore, the catalysts showed recyclability potential after reactivation.
Article
Materials Science, Ceramics
Mahvash Siahmansouri, Mehdi Mousavi-Kamazani
Summary: The synthesis and characterization of hollow flower-like NixZn2-xV2O7/WO4 nanostructures were reported using a simple Pechini sol-gel method to improve desulfurization efficiency of petroleum derivatives. Factors affecting morphology, such as chelating agent, gelling agent, and elements ratio, were investigated to determine optimal conditions. SEM images showed that involvement of all elements Ni, Zn, V, and W resulted in formation of hollow structures with high surface area, leading to over 95% efficiency of photocatalytic oxidative desulfurization after 2.5 hours under visible light. The presence of EDTA reduced efficiency to 23%, indicating superoxide as the most active radical species in the process. Comparisons of different compositions showed varying efficiency, highlighting the impact of both composition and morphology.
CERAMICS INTERNATIONAL
(2021)
