Results 91 to 100 of about 70,167 (257)

Electrical Transport Properties of Polycrystalline and Amorphous TiO2 Single Nanotubes

, 2017
The electrical transport properties of anodically grown TiO2 nanotubes was investigated. Amorphous nanotubes were anodically grown on titanium foil and transformed through annealing into the anatase phase.
Barzola-Quiquia, Jose, Böttner, Julia, Esquinazi, Pablo, Estrela-Lopis, Irina, Hwang, Imgon, Schmuki, Patrik, So, Seulgi, Stiller, Markus   +7 more
core   +1 more source

Peripherally Fluorinated Tetraphenylethene: New Electron Extraction Interlayers for n‐i‐p Perovskite Solar Cells

Advanced Energy Materials, EarlyView.
Fluorinated tetraphenylethene (TPE) derivatives were developed as interfacial layers for perovskite solar cells. The optimized TFP‐TPE enhances interfacial compatibility, suppresses molecular aggregation, and improves charge extraction. Devices incorporating TFP‐TPE achieved a record efficiency of 25.29% and outstanding stability under humidity and ...
Xiao‐Xin Gao, Ezhumalai Yamuna, Liang‐Wei Lin, Roland C. Turnell‐Ritson, Shuqing Song, Wen Luo, Chenxu Zhao, Shao‐Huan Hong, Cheng‐Liang Liu, Shiyu Xing, Jun Shao, Paul J. Dyson, Ming‐Chou Chen, Mohammad Khaja Nazeeruddin   +13 more
wiley   +1 more source

Effect of non-magnetic impurities on the magnetic states of anatase TiO$_2$

, 2011
The electronic and magnetic properties of TiO$_2$, TiO$_{1.75}$, TiO$_{1.75}$N$_{0.25}$, and TiO$_{1.75}$F$_{0.25}$ compounds have been studied by using \emph{ab initio} electronic structure calculations.
, Chen T L, Kim D, Maiti K, R J Choudhary, Sudhir K Pandey, Volnianska O   +6 more
core   +1 more source

Tunable high-index photonic glasses [PDF]

, 2019
Materials with extreme photonic properties such as maximum diffuse reflectance, high albedo, or tunable band gaps are essential in many current and future photonic devices and coatings.
Aegerter, Christof M., Aubry, Geoffroy J., Besirske, Patricia, Maret, Georg, Polarz, Sebastian, Schertel, Lukas, Wimmer, Ilona   +6 more
core   +1 more source

Degradation Mechanisms of Rutile‐Type TiO2 Photoanodes during Photoelectrochemical Water Splitting

Advanced Energy Materials, EarlyView.
Combining operando dissolution measurements with microscopy and spectroscopy characterizations, we reveal different degradation mechanisms of rutile‐type TiO2 photoanodes during photoelectrochemical water splitting. In acidic electrolytes, degradation is inhibited once TiO2 reaches saturation.
Yiqun Jiang, Raquel Aymerich‐Armengol, Ilias Efthimiopoulos, Martin Rabe, Andrea M. Mingers, Ningyan Cheng, Benjamin Breitbach, Saswati Santra, Verena Streibel, Ian D. Sharp, Lilian Vogl, Christina Scheu, Siyuan Zhang   +12 more
wiley   +1 more source

Glancing Angle Deposition Effect on Structure and Light-Induced Wettability of RF-Sputtered TiO2 Thin Films

Micromachines, 2018
Crystalline TiO2 films were prepared on unheated glass substrates by radio frequency (RF) reactive magnetron sputtering at normal angle of incidence (a = 0°) and at glancing angle (a = 87°).
Vasiliki E. Vrakatseli, Alexandros N. Kalarakis, Angelos G. Kalampounias, Eleftherios K. Amanatides, Dimitrios S. Mataras   +4 more
doaj   +1 more source

Synthesis of titanate nanostructures using amorphous precursor material and their adsorption/photocatalytic properties

, 2012
This paper reports on a new and swift hydrothermal chemical route to prepare titanate nanostructures (TNS) avoiding the use of crystalline TiO2 as starting material. The synthesis approach uses a commercial solution of TiCl3 as titanium source to prepare
A Franco, A-L Papa, A. J. Silvestre, B Erdem, B Zielińska, BC Viana, C Huang, C-K Lee, CL Wong, DV Bavykin, DV Bavykin, DV Bavykin, DV Bavykin, E. K. Ylhäinen, G Kortuem, H Yu, H-H Ou, H–H Ou, J Huang, J-Y Kim, M Miyauchi, M Qamar, M. R. Nunes, MC Neves, MD Hernandez-Alonso, MR Nunes, MW Xiao, O. C. Monteiro, OP Ferreira, R Yoshida, S Chatterjee, T Kasuga, V Stengl, W Zhou, X Sun, XD Li, Y Zhang, YV Kolen’ko   +37 more
core   +1 more source

High-temperature catalyst supports and ceramic membranes: Metastability and particle packing [PDF]

, 1997
Parameters and/or processes responsible for the stability of catalyst supports and ceramic membranes are discussed. Two major parameters/processes were identified which are responsible for the stability of sol-gel derived nanostructured oxides at ...
Burggraaf, Anthonie J., Keizer, Klaas, Mizukami, Fujio, Nair, Jalajakumari, Nair, Padmakumar, Okubo, Tatsuya   +5 more
core   +2 more sources

Data‐Guided Photocatalysis: Supervised Machine Learning in Water Splitting and CO2 Conversion

Advanced Intelligent Discovery, EarlyView.
This review highlights recent advances in supervised machine learning (ML) for photocatalysis, emphasizing methods to optimize photocatalyst properties and design materials for solar‐driven water splitting and CO2 reduction. Key applications, challenges, and future directions are discussed, offering a practical framework for integrating ML into the ...
Paul Rossener Regonia, Christian Mark Pelicano   +1 more
wiley   +1 more source

One-Step Magneton Sputtering of Crystalline Cu-Doped TiO₂ Coatings: Characterization and Antibacterial Activity

Applied Sciences
Early biofilm formation could be inhibited by applying a thin biocompatible copper coating to reduce periprosthetic infections. In this study, we deposited crystalline Cu-doped TiO2 films using one-step DC magnetron sputtering in an oxygen atmosphere on ...
Maria P. Nikolova, Sadegh Yousefi, Yordan Handzhiyski, Margarita D. Apostolova   +3 more
doaj   +1 more source