Results 141 to 150 of about 11,391,228 (399)

Doping of commercial TiO2 nanoparticles (UV100) with urea and investigation of their photocatalytic activity in removing an environmental pollutant (C.I. Acid Red 27) under visible light irradiation

آلودگی‌های محیطی و توسعه پایدار شهری
In this study, commercial TiO₂ (UV100) was doped with urea using an impregnation method, and its photocatalytic activity was evaluated under visible light irradiation.
Zahra Mahmoudi
doaj  

Enhancing the Photocatalytic Activity of Immobilized TiO₂ Using Laser-Micropatterned Surfaces

Applied Sciences
In the past, the application of TiO2 slurry reactors has faced difficulties concerning the recovery and reusability of the catalyst. In response to these challenges, immobilized photocatalyst systems have been investigated, wherein the catalyst is fixed ...
Theodoros Giannakis, Sevasti-Kiriaki Zervou, Theodoros M. Triantis, Christophoros Christophoridis, Erasmia Bizani, Sergey V. Starinskiy, Panagiota Koralli, Georgios Mousdis, Anastasia Hiskia, Maria Kandyla   +9 more
doaj   +1 more source

Photocatalytic Degradation of Polyacrylamide in Oilfield Sewage by Nano-sized TiO2 Doped with W Ion

MATEC Web of Conferences, 2016
The Nano-TiO2 was modified by doping TiO2 nanoparticles with W6+ as catalyst, improving the photocatalytic activity and photocatalytic properties of nanometer TiO2.
Wang Guilong, Zhuo Xingjia, Wang Yue
doaj   +1 more source

Photocatalytic activity of CuInS₂ nanoparticles synthesized via a simple and rapid microwave heating process

, 2020
Nawapong Chumha, Watcharapong Pudkon, Auttaphon Chachvalvutikul, Tawanwit Luangwanta, Chamnan Randorn, Burapat Inceesungvorn, Athipong Ngamjarurojana, Sulawan Kaowphong   +7 more
openalex   +1 more source

Synthesis of titanate nanofibers co-sensitized with ZnS and Bi2S3 nanocrystallites and their application on pollutants removal

, 2015
The synthesis of nanocomposite materials combining titanate nanofibers (TNF) with nanocrystalline ZnS and Bi2S3 semiconductors is described in this work. The TNF were produced via hydrothermal synthesis and sensitized with the semiconductor nanoparticles,
A.J. Silvestre, Albuquerque, Augugliaro, B. Barrocas, Bem, Cabrita, Chen, Chen, Fang, Fang, Ferreira, Ferreira, Franco, J.F. Cabrita, Kortuem, Kuriechen, Lazar, Li, Lim, Luis, M.R. Nunes, Miyauchi, Monteiro, Monteiro, Monteiro, Moreira, Mozia, O.C. Monteiro, Ou, Park, Shah, Shen, Siddique, T.J. Entradas, Wu, Wu, Yahiat, Ylhäinen, Yongfeng, Zhang, Zhao   +40 more
core   +1 more source

Unlocking the Potential of MXene‐Based Electrochemical Biosensors: A Review of Biofunctionalization Strategies and Biosensing Principles

Advanced Materials Technologies, EarlyView.
ABSTRACT Electrochemical biosensors enable the accurate and timely detection of clinical biomarkers, improving healthcare and precision medicine. MXene nanosheets, a class of 2D transition metal carbides, nitrides, and carbonitrides, are promising materials for developing next‐generation electrochemical biosensors due to their unique physicochemical ...
Muhsin Ali, Sharat Chandra Barman, Isobel Steer, Aya H. Alshareef, Dana Alsulaiman   +4 more
wiley   +1 more source

Sol-gel preparation of rare earth-metal doped TiO2 films for the photocatalytic oxidation of ethanol in air [PDF]

, 2011
C
Cimieri, Iolanda, Poelman, Dirk, Poelman, Hilde   +2 more
core   +1 more source

Elucidating the Mechanism behind the Enhancement of Persistent Luminescence in ZnGa2O4: Cr3+ Nanoparticles upon H2O2 Exposure

Advanced Optical Materials, EarlyView.
ABSTRACT Persistent luminescence (PersL) materials exhibit prolonged emission of light, lasting from seconds to hours after stopping the excitation. At the nanoscale, they have attracted considerable interest for applications in in vivo imaging, photodynamic therapy, and biosensing.
Celina Matuszewska, Izabel Mazon Anselmo, Mathilde Chaboud, Dimitri Mercier, Zied Ferjaoui, Cyrille Richard, Bruno Viana, Corinne Chaneac   +7 more
wiley   +1 more source

Nitrogen-doped titanium dioxide photocatalysts for visible response prepared by using organic compounds

Science and Technology of Advanced Materials, 2005
In order to utilize visible light in photocatalytic reactions, nitrogen atoms were doped in commercially available photocatalytic TiO2 powders by using an organic compound such as urea and guanidine.
Yoshio Nosaka, Masami Matsushita, Junichi Nishino and Atsuko Y. Nosaka
doaj  

Molten salt synthesis of rutile phase Ag/TiO2 nanowires for efficient photoreduction of Cr(VI)

Next Materials
The morphology of TiO2 structures is a critical parameter in photocatalysis. Fabricating rutile phase TiO2 in nanostructures forms is a promising method to increase the surface area of the catalyst, thereby accelerating photocatalytic rates.
Sarah Keiza Ismail, Munawar Khalil, Jeong-Myeong Ha, Rika Tri Yunarti   +3 more
doaj   +1 more source