Hydrothermal growth of ZnCdS/TiO2 nanoparticles on the surface of the Ti3C2 MXene sheet to enhance photocatalytic performance under visible light

2021 ◽  
pp. 122750
Author(s):  
Xiang Qin ◽  
Rong Cao ◽  
Wensheng Gong ◽  
Liping Luo ◽  
Guojun Shi ◽  
...  
Keyword(s):  
Visible Light ◽  
Tio2 Nanoparticles ◽  
Photocatalytic Performance ◽  
Hydrothermal Growth

scholarly journals Structural and optical properties of TiO2 nanoparticles and their photocatalytic behavior under visible light

2021 ◽  
Vol 23 (2) ◽  
pp. e21310965
Author(s):  
Edgar Eduardo Mosquera ◽  
Daniela Herrera-Molina ◽  
Jesús Diosa
Keyword(s):  
Optical Properties ◽  
Visible Light ◽  
Tio2 Nanoparticles ◽  
Photocatalytic Performance ◽  
Sol Gel ◽  
Average Particle Size ◽  
Bandgap Energy ◽  
Average Particle ◽  
Thermal Treatments ◽  
Structural And Optical Properties

TiO2 nanoparticles were successfully synthesized using a facile and scalable sol-gel method and their structural and optical properties studied. XRD ad FTIR was used to identify the phase, crystallite size, and functional groups present in the nanoparticles. The prepared samples crystallize in the anatase structure with highly crystalline order. TEM/EDX shows that the nanoparticles are pure, spherical, and with an average particle size of 15 ± 2 nm. The bandgap energy was 3.59, 3.79, and 3.64 eV, respectively. PL emission is attributed to oxygen vacancies (Vo). The calcination temperature at 450 °C suggests a better photocatalytic performance under visible light compared with other sample's thermal treatments.

scholarly journals Preparation of Bi-doped TiO2 nanoparticles and their visible light photocatalytic performance

2014 ◽  
Vol 35 (9) ◽  
pp. 1578-1589 ◽  
Author(s):  
Haiyan Li ◽  
Jinfeng Liu ◽  
Junjie Qian ◽  
Qiuye Li ◽  
Jianjun Yang
Keyword(s):  
Visible Light ◽  
Tio2 Nanoparticles ◽  
Photocatalytic Performance ◽  
Doped Tio2 ◽  
Visible Light Photocatalytic

scholarly journals Enhanced Photocatalytic Degradation of Organic Dyes via Defect-Rich TiO2 Prepared by Dielectric Barrier Discharge Plasma

Nanomaterials ◽  
2019 ◽  
Vol 9 (5) ◽  
pp. 720 ◽  
Author(s):  
Yanqin Li ◽  
Wei Wang ◽  
Fu Wang ◽  
Lanbo Di ◽  
Shengchao Yang ◽  
...  
Keyword(s):  
Visible Light ◽  
Photocatalytic Degradation ◽  
Tio2 Nanoparticles ◽  
Degradation Rate ◽  
Photocatalytic Performance ◽  
Organic Dyes ◽  
Sunlight Irradiation ◽  
Barrier Discharge Plasma ◽  
Ar Plasma ◽  
Degradation Properties

The dye wastewater produced in the printing and dyeing industry causes serious harm to the natural environment. TiO2 usually shows photocatalytic degradation of dye under the irradiation ultravilet light rather than visible light. In this work, a large number of oxygen vacancies and Ti3+ defects were generated on the surface of the TiO2 nanoparticles via Ar plasma. Compared with pristine TiO2 nanoparticles, the as-obtained Ar plasma-treated TiO2 (Ar-TiO2) nanoparticles make the energy band gap reduce from 3.21 eV to 3.17 eV and exhibit enhanced photocatalytic degradation of organic dyes. The Ar-TiO2 obtained exhibited excellent degradation properties of methyl orange (MO); the degradation rate under sunlight irradiation was 99.6% in 30 min, and the photocatalytic performance was about twice that of the original TiO2 nanoparticles (49%). The degradation rate under visible light (λ > 400 nm) irradiation was 89% in 150 min, and the photocatalytic performance of the Ar-TiO2 was approaching ~4 times higher than that of the original TiO2 nanoparticles (23%). Ar-TiO2 also showed good degradation performance in degrading rhodamine B (Rho B) and methylene blue (MB). We believe that this plasma strategy provides a new method for improving the photocatalytic activity of other metal oxides.

scholarly journals A facile synthesis of Zn-doped TiO2 nanoparticles with highly exposed (001) facets for enhanced photocatalytic performance

RSC Advances ◽  
2021 ◽  
Vol 11 (13) ◽  
pp. 7627-7632
Author(s):  
Kun Jiang ◽  
Jin Zhang ◽  
Rui Luo ◽  
Yingfei Wan ◽  
Zengjian Liu ◽  
...  
Keyword(s):  
Visible Light ◽  
Tio2 Nanoparticles ◽  
Light Absorption ◽  
Photocatalytic Performance ◽  
Separation Efficiency ◽  
Absorption Capacity ◽  
Facile Synthesis ◽  
Visible Light Absorption ◽  
Doped Tio2 ◽  
Carrier Separation

It is a great challenge to simultaneously improve the visible light absorption capacity and enhance photon-generated carrier separation efficiency of photocatalysts.

Sign in / Sign up

Export Citation Format

Share Document