Article
Nanoscience & Nanotechnology
Patrick Hartwich, Christian Pritzel, Manuela S. Killian
Summary: This study proposes an alternative utilization of titanium dioxide by covering surfaces of cement-based materials with a regular-shaped monolayer of photocatalytically active titanium dioxide nanotube arrays. The study also presents a proposal for the synthesis of TiO2 nanotubes and transferring them onto material surfaces, providing the opportunity for applying the material to precast elements.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Review
Chemistry, Physical
Alessandro Lavacchi, Marco Bellini, Enrico Berretti, Yanxin Chen, Andrea Marchionni, Hamish Andrew Miller, Francesco Vizza
Summary: In the last two decades, researchers have developed various methods to obtain high surface area nanostructured titanium dioxide, which has been used as electrode supports in electrochemical energy conversion and storage devices. The unique properties of titanium dioxide, including stability, electronic conductivity, and synergistic effects with metal catalysts, make it appealing for these applications. Titanium dioxide nanomaterials can be divided into powders and embedded nanoarchitectures, with a focus on fuel cells, electrolysis, and carbon dioxide electroreduction as the latest applications explored. Further research is needed to support the exploration and utilization of titania in electrocatalysis for energy.
CURRENT OPINION IN ELECTROCHEMISTRY
(2021)
Article
Electrochemistry
M. Bellini, E. Berretti, M. Innocenti, G. Magherini, M. V. Pagliaro, L. Poggini, H. A. Miller, A. Lavacchi, F. Vizza
Summary: This paper demonstrates a convenient strategy to reduce the PGM loading in electrolysis by using ultra-low Pd loaded electrocatalysts supported on 3D architectures of titania nanotubes. The comprehensive analysis of TiO2 support synthesis, Pd catalyst deposition methods, and functional characterization of obtained materials for hydrogen and oxygen evolution, as well as the development of a new strategy to obtain short low aspect ratio 3D titania nanotubes arrays, are key aspects covered in this manuscript. The study shows that an extremely low quantity of Pd (81 mu g cm(-2)) is sufficient to significantly improve activity in an Anion Exchange Membrane (AEM) water electrolyser.
ELECTROCHIMICA ACTA
(2021)
Article
Materials Science, Ceramics
Alberto Z. Fatichi, Mariana G. de Mello, Karina D. Pereira, Luisa G. M. Antonio, Augusto D. Luchessi, Rubens Caram, Alessandra Cremasco
Summary: The electrochemical, structural, and biological properties of self-organized amorphous and anatase/rutile titanium dioxide (TiO2) nanotubes deposited on Ti-35Nb-4Zr alloy through anodization-induced surface modification were investigated. The study found that anatase TiO2 exhibited higher surface corrosion resistance and cell viability compared to amorphous TiO2, indicating the importance of TiO2 nanotube crystallization in the material's electrochemical behavior and biocompatibility.
CERAMICS INTERNATIONAL
(2022)
Article
Energy & Fuels
S. P. Vinodhini, Joseph Raj Xavier
Summary: This work focuses on synthesizing hybrid nanocomposite electrode materials for supercapacitor applications. The performance of different hybrid electrode materials, such as MoS2/CNTs, TiO2/CNTs, and MoS2/TiO2/CNTs, was enhanced by incorporating carbon nanotubes (CNTs) into MoS2 and TiO2. The synthesized MoS2/TiO2/CNTs exhibited superior electrochemical performance compared to other hybrid electrode materials, with a higher specific capacitance and lower overall impedance. It also displayed good cycling stability and high energy and power densities.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2022)
Article
Chemistry, Physical
Albina A. Valeeva, Irina B. Dorosheva, Ekaterina A. Kozlova, Anna A. Sushnikova, Anna Yu Kurenkova, Andrey A. Saraev, Hartrmuth Schroettner, Andrey A. Rempel
Summary: In this study, titanium foil was anodized to grow titanium dioxide nanotubes (TiO2 NT) using an original technique. After calcination and platinization, the photocatalytic activity of TiO2 NT was significantly enhanced due to the unique morphology and large specific surface area, leading to a high rate of separation of photogenerated excited electrons and holes.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Environmental Sciences
Sebastian Oyarzabal Rodriguez, Luis Erick Coy-Aceves, Jesus Eduardo Daniel Morales, Jose Luis Sanchez-Salas, Carlos Alberto Martinez-Huitle, Milena Maria Ramirez-Rodrigues, Monica Cerro-Lopez
Summary: Ketorolac, a persistent NSAID, was successfully removed from water through photoelectrocatalysis using titanium dioxide nanotube electrodes, achieving high removal efficiency. This study demonstrated the potential of using titania nanotubes as an alternative material for simultaneous photocatalytic and electrocatalytic processes in water remediation.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Engineering, Chemical
Xingjun Lu, Zhipeng Yue, Bangzhu Peng
Summary: In this study, TiO2 nanotubes were prepared as photocatalysts for the degradation of heat-stable mycotoxin PAT in simulated juice. The results showed that calcinated TNTs-450 had high adsorption performance and photocatalytic activity, completely degrading PAT within a short period of time.
JOURNAL OF FOOD ENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Kallyni Irikura, Joao Angelo Lima Perini, Jader Barbosa Silva Flor, Regina Celia Galvao Frem, Maria Valnice Boldrin Zanoni
Summary: The study utilized Ru-3(BTC)(2) MOF thin film as a photocathode to successfully reduce CO2 into methanol, increasing the product yield. By depositing the MOF onto Ti/TiO2 electrodes, a new generation of multifunctional materials was formed, promising the development of novel photoelectrocatalysts.
JOURNAL OF CO2 UTILIZATION
(2021)
Article
Chemistry, Analytical
Reza Akhbari Varkani, Hossain-Ali Rafiee-Pour, Mohammad Noormohammadi
Summary: Redox enzymes as biocatalysts have gained increasing attention for developing electronic biomaterials and devices in various applications. In this study, titanium dioxide nanotubes (TNT) were successfully synthesized and used as immobilization substrate for glucose oxidase (GOx), resulting in excellent performance with low detection limit, wide linear range, high stability, and good reproducibility. This promising strategy of integrating enzymes with TNT demonstrates the potential for bioelectrochemical applications.
MICROCHEMICAL JOURNAL
(2021)
Article
Chemistry, Multidisciplinary
Surendra Gulla, Dakshayani Lomada, Prasanna Babu Araveti, Anand Srivastava, Mamatha Kumari Murikinati, Kakarla Raghava Reddy, Inamuddin, Madhava C. Reddy, Tariq Altalhi
Summary: The study explored the anticancer activity of titanium dioxide nanotubes (TNT), quercetin, and TNT-Qu in B16F10 melanoma skin cancer cells. TNT-Qu demonstrated significantly higher inhibition of cell proliferation, migration, and induced more apoptosis compared to TNT or quercetin alone. Additionally, the combination treatment decreased reactive oxygen species levels and arrested cells in G2/M phase more effectively. This novel combinational molecule shows promise for potential therapeutic use in skin cancer treatment.
JOURNAL OF NANOSTRUCTURE IN CHEMISTRY
(2021)
Article
Crystallography
Cristina Dumitriu, Alexandra Constantinescu, Cristian Pirvu
Summary: This paper introduces a gliadin detection method based on a titanium nanostructured electrode modified with graphene oxide. The impedance measured at a specific frequency and coating resistance were used for gliadin analysis. The system shows potential for gluten contamination detection in foods.
Article
Chemistry, Physical
Mohammad Qamar, Shabi Abbas Zaidi, Mohd Rafatullah, Mohammad Qutob, Sun-Jae Kim, Qasem A. Drmosh
Summary: The present study investigates the thermal stability and photocatalytic activity of TiO2-based nanotubes after post-hydrothermal treatment. It is found that post-hydrothermal heating improves the photocatalytic activity of the nanotubes by changing their phase structure and morphology. The holes and hydroxide ions are found to play a key role in the dye removal process. Additionally, the photocatalyst exhibits excellent stability and reusability.
Article
Materials Science, Multidisciplinary
Ghazal Kianpour, Reza Bagheri, Ali Pourjavadi, Hossein Ghanbari
Summary: A new scaffold material consisting of a flexible and porous titanium dioxide nanotubes-polyurethane film has been successfully developed, exhibiting improved biocompatibility, mechanical strength, flexibility, and porosity. Compared to pure polyurethane, the rate of endothelialization on the open-ended TNT-PU film was approximately 2 times higher, and the number of platelets and their agglomeration was significantly lower.
MATERIALS & DESIGN
(2022)
Article
Chemistry, Multidisciplinary
Yihui Dong, Aatto Laaksonen, Qingwei Gao, Xiaoyan Ji
Summary: This study systematically investigates the molecular forces and interfacial behavior between cytochrome c and TiO2 by adjusting the concentration of buffer ions. It was found that the molecular forces peak at an ionic strength between 0.8 and 1.0 M, with the mechanism explained by the dissociation and hydration of ions at the interfaces. Furthermore, the ionic strength also affects the hydrodynamic size, zeta potential value, and interfacial behavior of cytochrome c molecules on TiO2 surfaces, ultimately providing a detailed understanding on controlling protein interfacial behavior with solid surfaces.