Article
Chemistry, Applied
Jaya Verma, Avi Gupta, Deepak Kumar
Summary: This research focused on developing a highly efficient and cost-effective multifunctional nanocoating by incorporating silica-titania core-shell particles into polyurethane for various applications. The core-shell structure combined the mechanical properties improvement of silica with the antimicrobial and hydrophobic enhancement of titania. Through testing and analysis, it was found that a concentration of 4% (wt) of nano core-shell particles in the PU coating system produced the best results for multipurpose applications.
PROGRESS IN ORGANIC COATINGS
(2022)
Article
Chemistry, Multidisciplinary
Liangbo Chen, Feng Wu, Yan Pang, Dan Yan, Siyi Zhang, Fangjie Chen, Nianxuan Wu, Danni Gong, Jinyao Liu, Yao Fu, Xianqun Fan
Summary: The study demonstrates the formation of a durable and protective therapeutic nanocoating on the ocular surface by instilling biomimetic drug-loaded nanoparticles, which can specifically bind to ocular epithelium fibronectin and improve the stability of tear film. This approach shows therapeutic benefits in mouse and rabbit models of dry eye disease, indicating the potential of therapeutic nanocoating to treat eye diseases.
Article
Chemistry, Multidisciplinary
Qahtan. A. Yousif, Mohammad N. Majeed, Mahmoud A. Bedair
Summary: The study demonstrates that nanomaterial coatings offer effective protection against corrosion of turbine blades in acidic media, with TiO2 exhibiting high potential for corrosion prevention. Electrophoretic deposition of MnO2, TiO2, and TiO2-C on nickel alloy turbine blades resulted in significant reduction in corrosion rate and improved corrosion resistance.
Article
Chemistry, Multidisciplinary
Mariya Aleksandrova, Georgi Kolev, Georgi Dobrikov, Andrey Brigadin, Alexander Lukin
Summary: Carbyne-enriched nanocoatings with unique physicochemical and structural properties can be used for the development of high-end electronic devices. Researchers propose using these coatings for the development of sensor platforms to achieve more precise detection of volatile organic compounds.
Article
Materials Science, Paper & Wood
Md Mostafizur Rahman, Dayong Huang, Chinomso M. Ewulonu, Chao Wang, Shigenori Kuga, Min Wu, Yong Huang
Summary: The study coated GO and TiO2 nanomaterials on large-scale cellulose substrates using a simple dip-coating method, allowing for the reusability of photocatalysts and successful degradation of organic pollutants under visible light irradiation. The research established a practical method for directly degrading pollutants in lakes or rivers.
Article
Chemistry, Physical
Christian A. Contreras, Ryan A. Hackler, Justin M. Notestein, Peter C. Stair
Summary: Organic ligands grafted onto oxide surfaces are used for various applications, and their structure provides the opportunity to encode information onto surfaces. Through surface enhanced Raman spectroscopy, the molecular structure and orientation of chiral 1,1'-bi-2-naphthol (BINOL) supported on TiO2 and Al2O3 were probed. The results indicate differences in the orientation of BINOL on TiO2 and Al2O3 surfaces, suggesting strategies for the development of new functional hybrid and oxide materials.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Article
Chemistry, Physical
Zi-Yan Xu, Jing-jing Xie, Hao Yu, Yang Ge, Wei Geng, Xiao-Yu Yang
Summary: In this study, TiO2 nanoparticles were modified and dispersed in silicone oil to form TiO2 nanofluid. The nanofluid was infused into hierarchical structure to produce the SLIPS which significantly reduce the lubricant leaching. The synthesized coating shows good performance in corrosion resistance and has great potential applications in different marine environments.
CHEMICAL PHYSICS LETTERS
(2023)
Article
Chemistry, Physical
Zengkun Li, Haiyan He, Xuan Wang, Chunhui Shou, Mianji Huang, Shengli Jin, Xin Du
Summary: In this work, a SiO2 @TiO2 composite nanocoating with mechanical robustness, antireflection and photocatalytic self-cleaning properties was successfully fabricated by introducing commercial Degussa P25-type titania nanoparticles (P25) and acid-catalyzed silica sol (ACSS) via a simple dip-coating strategy without any post-treatment. The optimized nanocoating exhibits high transmittance, low reflectivity, good hydrophilicity, high photocatalytic activity, and high mechanical robustness.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2023)
Article
Chemistry, Multidisciplinary
Fangfang Deng, Liang Wu, Xiaolin Lu, Shuangshuang Wang, Suming Chen, Tao Ding
Summary: This study presents a method for forming oligomer coatings on nanoparticles via light-induced reactions, with the potential for surface polymerization for various applications. The versatile coating method is applicable to different types of inorganic cores and has the capability to initiate surface polymerization for different functionalities.
Article
Chemistry, Physical
Mohammad Amin Razmjoo Khollari, Mojtaba Khalili Azar, Mehdi Esmaeili, Naeim Malekpour, Seyed Morteza Hosseini-Hosseinabad, Roozbeh Siavash Moakhar, Abolghasem Dolati, Seeram Ramakrishna
Summary: Coating the NCM811 cathode material with TiO2 nanoparticles improves its structural stability, electrochemical performance, and safety at both room and high temperatures, leading to increased capacity retention and discharge capacity. Surface modification with TiO2 NPs is a practical and cost-effective method for enhancing the performance of the high energy density NCM811 cathode in commercial applications.
ACS APPLIED ENERGY MATERIALS
(2021)
Article
Chemistry, Physical
P. Morales-Gil, M. G. Montes de Oca-Yemha, F. Perez-Cruz, M. Romero-Romo, T. Ramirez-Silva, J. Aldana-Gonzalez, M. Palomar Pardave
Summary: In this study, the electrochemical modification of titanium dioxide nanotubes (TiO2 NTs) with gold or silver nanoparticles (NPs) was reported for the first time. The nucleation and growth mechanism of these NPs were investigated, and it was found that formation of the metal nanoparticles occurred through diffusion-controlled growth. Characterization of the modified TiO2 NTs surface confirmed the formation of quasi-spherical gold or silver NPs with an average diameter of 100 nm.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Materials Science, Composites
Lei Chen, Zhihua Li, Guangshun Wu, Peng Wang, Tao Wang, Zhi Li, Tonghua Zhang
Summary: This study successfully improved the interfacial adhesion and UV resistance of PBO fibers in epoxy resin composites by growing TiO2 nanoparticles on the fiber surface in situ using mussel-inspired PDA as a reaction platform. The modified fibers showed enhanced interfacial shear strength, increased surface roughness, improved wettability, enhanced thermal stability, and resistance to hygrothermal aging. The compact TiO2 coating on the surface also led to excellent UV resistance.
POLYMER COMPOSITES
(2021)
Article
Chemistry, Physical
Rodolfo M. Antoniassi, Jhon Quiroz, Eduardo C. M. Barbosa, Luanna S. Parreira, Roberta A. Isidoro, Estevam Spinace, Julio C. M. Silva, Pedro H. C. Camargo
Summary: Incorporating TiO2 nanocubes on Carbon Vulcan supports followed by Pt NPs synthesis resulted in improved performance of the anode electrocatalysts towards CO oxidation in low-temperature fuel cells, outperforming commercial TiO2 counterparts. Fuel cell experiments demonstrated that Pt/TiO2NCs-C was resistant to CO-poisoning, showing superior performance in operational conditions. These findings have important implications for developing advanced electrocatalysts for PEMFCs.
Article
Chemistry, Multidisciplinary
S. Amaya-Roncancio, D. A. Torres-Ceron, J. P. Velasquez-Tamayo, D. F. Mercado, I. D. Arellano-Ramirez, E. Restrepo-Parra
Summary: TiO2/SO42-surfaces were used to reduce Cr(VI) to Cr(III) in wastewater. X-ray photoelectron spectroscopy and density functional theory were used to study the adsorption behavior of Cr(VI) and Cr(III) on TiO2/SO42-surfaces. The results show that Cr(III) (in the form of Cr(OH)3) and Cr(VI) (in the form of CrO42-) are present on the surfaces. The presence of OH- weakens the interaction between the surface and Cr(VI), while it stabilizes the formation of Cr(III) on the surface.
MATERIALS TODAY CHEMISTRY
(2023)
Article
Engineering, Biomedical
Hyejoong Jeong, Daheui Choi, Yoogyeong Oh, Jiwoong Heo, Jinkee Hong
Summary: The study utilizes a nanocoating technology for direct delivery of nitric oxide (NO) to individual endothelial cells, with the additional application of VEGF to enhance angiogenic activation. The synergistic effect of NO and VEGF via nanocoating significantly improves survival and proliferation of endothelial cells, as well as promotes cell migration and tubule formation for angiogenesis. This unique technology demonstrates great potential in enhancing desired angiogenic functions in individual endothelial cells through efficient NO delivery.
ADVANCED HEALTHCARE MATERIALS
(2022)