Results 41 to 50 of about 635,198 (222)

Morphology, Optical Properties and Photocatalytic Activity of Photo- and Plasma-Deposited Au and Au/Ag Core/Shell Nanoparticles on Titania Layers

Nanomaterials, 2018
Titania is a promising material for numerous photocatalytic reactions such as water splitting and the degradation of organic compounds (e.g., methanol, phenol). Its catalytic performance can be significantly increased by the addition of co-catalysts.
Alexander Müller, Sandra Peglow, Michael Karnahl, Angela Kruth, Henrik Junge, Volker Brüser, Christina Scheu   +6 more
doaj   +1 more source

Bio‐Inspired Synthesis of Macroporous Single Crystal Particles as Scattering Agents

Advanced Functional Materials, EarlyView.
A general strategy is presented that delivers unique, single‐crystal microparticles that combine submicron macroporosity and uniform particle shapes. A bioinspired approach is used to occlude three distinct types of additives – polystyrene microspheres, polymer vesicles and amino acids – within calcite single crystals, and subsequent thermal annealing ...
Stephanie E. Foster, Gianni Jacucci, Ouassef Nahi, Thomas Kress, Zabeada Aslam, Stuart Micklethwaite, Alexander N. Kulak, Rik Drummond‐Brydson, Melinda J. Duer, Yi‐Yeoun Kim, Silvia Vignolini, Fiona C. Meldrum   +11 more
wiley   +1 more source

Photocatalytic polymerization induced by a transparent anatase titania aqueous sol and fabrication of polymer composites

eXPRESS Polymer Letters, 2010
The surface modification of the anatase titania nanoparticles prepared via a controlled nonhydrolytic sol-gel process is achieved by the formation of the bidentate coordination between titania and methacrylic acid (MAA) molecules.
doaj   +1 more source

Thermally Assisted Photocatalytic Dehydrogenation of Methanol in Continuous Steady‐State Operation

Advanced Science, EarlyView.
Thermally assisted photocatalytic methanol dehydrogenation on Pt/TiO2 enables formaldehyde and hydrogen production far beyond thermodynamic limits. Continuous operation delivers up to 95% selectivity over 70 h, and oxygen microdosing strongly boosts conversion by regenerating surface oxygen sites.
Florian Stubenrauch, Phillip Nathrath, Markus Schörner, Yazan Mahayni, Birk Fritsch, Andreas Hutzler, Peter Wasserscheid, Andreas Bösmann, Patrick Schühle   +8 more
wiley   +1 more source

Mixed Convection Flow Adjacent to a Stretching Vertical Sheet in a Nanofluid

Journal of Applied Mathematics, 2013
The characteristics of fluid flow and heat transfer over a stretching vertical sheet immersed in a nanofluid are investigated numerically in this paper.
Nor Azizah Yacob, Anuar Ishak, Roslinda Nazar, Ioan Pop   +3 more
doaj   +1 more source

Photonic Band Gap and Bactericide Performance of Amorphous Sol-Gel Titania: An Alternative to Crystalline TiO2

Molecules, 2018
In addition to its traditional application in white pigments, nanocrystalline titania (TiO2) has optoelectronic and photocatalytic properties (strongly dependent on crystallinity, particle size, and surface structure) that grant this naturally occurring ...
M. Clara Gonçalves, José Carlos Pereira, Joana C. Matos, Helena Cristina Vasconcelos   +3 more
doaj   +1 more source

Magnetic Water Cleaning of Estrogens via Tight yet Dynamic Binding to Nanoparticles

Advanced Science, EarlyView.
Micropollution is one of the big challenges humanity faces with estrogen hormones being emerging pollutants of concern. Here, a supramolecular design strategy is presented that generates a simple nano‐adsorbent material to magnetically remove low‐concentrated estrogens from water.
Lukas Müller, Philip Maier, Dustin Vivod, Wenke Müller, Nikolaj Lopatik, Theresa Maria Schichtl, Julia Fröhlich, Irene Kraus, Marten Huck, Wieland Corts, Clodomiro Cafolla, Lukas Ruhm, Henrik Gaß, Johannes Voß, Jiwon Byun, Linda Rockmann, Guido Grundmeier, Kislon Voïtchovsky, Hans‐Georg Steinrück, Erdmann Spiecker, Sevim Dalabasmaz, Monika Pischetsrieder, Eike Brunner, Ralf Schweins, Dirk Zahn, Marcus Halik   +25 more
wiley   +1 more source

Synthesis and characterization of titania-based monodisperse fluorescent europium nanoparticles for biolabeling

, 2006
Inorganic-organic hybrid titania-based nanoparticles covalently bound to a fluorescent Eu3+ chelate of 4,4'-bis(1 '',1 '',1 '', 2 '',2 ',3 '',3 ''-heptafluoro-4 '',6 ''-hexanedion-6 ''-yl)chlorosulfo-o-terphenyl (BHHCT-Eu3+) were synthesized by a sol-gel
Ye, ZQ, Yuan, JL, 袁景利, Wang, GL, Tan, MQ   +4 more
core   +1 more source

Titania and Silica Nanoparticles linked through novel phosphate-silane coupling agents and core-shell structures

, 2010
In recent years, much work has been focused on titania nanoparticles particularly because of their photocatalytic properties. In this study we show how titania nanoparticles can be functionalized with Stoeber silica nanoparticles through phosphate-silane
Kickelbick, Guido, Raza, Mohsin
core   +4 more sources

Cross‐scale Material‐Structure Synergy for 2D Metamaterials: Toward Customizable Intelligent Electromagnetic Manipulation in Multiphysics Fields

Advanced Science, EarlyView.
Recent advances in metasurface‐enabled low‐observable technologies are reviewed from the perspective of cross‐scale material–structure synergy. Electromagnetic, thermal, optical, and acoustic stealth are highlighted together with dynamic tuning, programmable coding, data‐driven inverse design, artificial intelligence, multispectral compatibility, and ...
Shuhao Wang, Xing Yang, Liping Liu, Yang Peng, Yangyang Wang, Hualiang Lv   +5 more
wiley   +1 more source