Synergistic photocatalytic oxidation and adsorption of elemental mercury by carbon modified titanium dioxide nanotubes under visible light LED irradiation

2014 ◽  
Vol 253 ◽  
pp. 16-23 ◽  
Author(s):  
Zhuo-kai Zhuang ◽  
Zhen-mei Yang ◽  
Si-yao Zhou ◽  
Hai-qiang Wang ◽  
Cheng-lang Sun ◽  
...  
Keyword(s):  
Titanium Dioxide ◽  
Visible Light ◽  
Photocatalytic Oxidation ◽  
Elemental Mercury ◽  
Titanium Dioxide Nanotubes ◽  
Led Irradiation

scholarly journals Nonstoichiometric titanium dioxide nanotubes with enhanced catalytical activity under visible light

2018 ◽  
Vol 8 (1) ◽  
Author(s):  
A. A. Valeeva ◽  
E. A. Kozlova ◽  
A. S. Vokhmintsev ◽  
R. V. Kamalov ◽  
I. B. Dorosheva ◽  
...  
Keyword(s):  
Titanium Dioxide ◽  
Visible Light ◽  
Titanium Dioxide Nanotubes ◽  
Nonstoichiometric Titanium

Chemoselective photocatalytic oxidation of alcohols to aldehydes and ketones by nitromethane on titanium dioxide under violet 400 nm LED light irradiation

2020 ◽  
Vol 18 (12) ◽  
pp. 2326-2330 ◽  
Author(s):  
Azam Rahimi Niaraki ◽  
Mohammad Reza Saraee ◽  
Foad Kazemi ◽  
Babak Kaboudin
Keyword(s):  
Titanium Dioxide ◽  
Photocatalytic Oxidation ◽  
Electron Acceptors ◽  
Light Irradiation ◽  
Led Light ◽  
Oxidation Of Alcohols ◽  
Aldehydes And Ketones ◽  
First Time ◽  
Led Irradiation

In this study, for the first time, nitroalkanes, especially nitromethane, have been used as electron acceptors for the highly chemoselective oxidation of alcohols in the presence of a TiO2 photocatalyst under 400 nm LED irradiation.

Study on the Preparation of Dy-Doped TiO2 Nanotube Arrays and its Visible Light Responsive Photocatalytic Properties

2011 ◽  
Vol 130-134 ◽  
pp. 1254-1257
Author(s):  
Zi Bo Wang ◽  
Liu Yan Su ◽  
Yu Jiang Guan ◽  
Shu Li Bai
Keyword(s):  
Titanium Dioxide ◽  
Visible Light ◽  
Industrial Applications ◽  
Photocatalytic Properties ◽  
Nanotube Arrays ◽  
Titanium Dioxide Nanotubes ◽  
Oxidation Method ◽  
Doped Titanium Dioxide ◽  
Anodic Oxidation Method ◽  
In Suit

The in-suit Dy-doped titanium dioxide nanotubes arrays were prepared by anodic oxidation method using Dy (NO3)3·6H2O and pure Ti sheet. The sample was characterized by SEM, XRD and XPS for its size and structure. The photocatalytic properties of nanotubes arrays were researched by using methyl orange as target degradation under the visible light. The results showed that the catalytic activity of Dy-doped titanium dioxide nanotubes arrays was 72% under visible light. The catalyst has hight stability and potential industrial applications.

scholarly journals Synthesis of carbon self-doped titanium dioxide and its activity in the photocatalytic oxidation of styrene under visible light irradiation

2019 ◽  
Vol 15 (2) ◽  
pp. 291-297 ◽  
Author(s):  
Siti Hajar Alias ◽  
Nurul Najidah Mohamed ◽  
Leaw Wai Loon ◽  
Sheela Chandren
Keyword(s):  
Titanium Dioxide ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Photoelectron Spectroscopy ◽  
Photocatalytic Oxidation ◽  
Styrene Oxide ◽  
Light Irradiation ◽  
Tio2 Photocatalysts ◽  
X Ray ◽  
Doped Titanium Dioxide

Carbon self-doped titanium dioxide (C/TiO2) photocatalyst was synthesized by a simple sol-gel method using titanium isopropoxide as both the titanium precursor and carbon source. The effects of calcination temperatures in the range of 300 to 700 °C to the structure and physicochemical properties of the C/TiO2 were investigated by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM) coupled with energy dispersive X-ray (EDX), Fourier transform infrared (FTIR) spectroscopy, UV-visible diffuse reflectance (UV-Vis DR) spectroscopy, photoluminescence spectroscopy, N2 adsorption-desorption and X-ray photoelectron spectroscopy (XPS). XPS results proved the presence of self-doped carbon at the interstitial and substitutional lattice of TiO2. The C/TiO2 calcined at 300 and 400 °C (C/TiO2-300 and C/TiO2-400, respectively) showed mesoporous characteristic and large surface area of about 100 m2 g-1. The C/TiO2 photocatalysts were then tested in the photo-oxidation of styrene under visible light irradiation with aqueous hydrogen peroxide as the oxidizing agent. The C/TiO2 photocatalysts were successfully activated under the irradiation of visible light, where C/TiO2-300 and C/TiO2-400 showed the highest total concentration of products (benzaldehyde and styrene oxide) at 1.1 mmol and 1.0 mmol, respectively.For video presentation, kindly please visit this link:

Elemental mercury removal by I−-doped Bi2WO6 with remarkable visible-light-driven photocatalytic oxidation

2021 ◽  
Vol 282 ◽  
pp. 119534
Author(s):  
Yili Zhang ◽  
Yongchun Zhao ◽  
Zhou Xiong ◽  
Tian Gao ◽  
Bengen Gong ◽  
...  
Keyword(s):  
Visible Light ◽  
Photocatalytic Oxidation ◽  
Elemental Mercury ◽  
Mercury Removal ◽  
Visible Light Driven
Sign in / Sign up

Export Citation Format

Share Document