Photocatalytic degradation of methylene blue using novel flower-like zirconium bismuth molybdate thin film, grown by temperature-assisted CBD method

2021 ◽  
Author(s):  
C. Rakhi ◽  
K. C. Preetha
Keyword(s):  
Thin Film ◽  
Methylene Blue ◽  
Photocatalytic Degradation ◽  
Bismuth Molybdate ◽  
Cbd Method

Ultrasonic spray deposition of WO3-rGO thin-film composite for photocatalytic degradation of methylene blue

Optik ◽  
2021 ◽  
pp. 167593
Author(s):  
Kasinathan Dhivyaprasath ◽  
Biny R. Wiston ◽  
Manoharan Preetham ◽  
Subramanian Harinee ◽  
Mahalingam Ashok
Keyword(s):  
Thin Film ◽  
Methylene Blue ◽  
Photocatalytic Degradation ◽  
Spray Deposition ◽  
Film Composite ◽  
Thin Film Composite ◽  
Ultrasonic Spray

scholarly journals Application of surface acoustic wave to enhance the photocatalytic degradation efficiency of methylene blue

2021 ◽  
pp. 2141004
Author(s):  
Walter Water ◽  
Yu-Zhen Shi
Keyword(s):  
Thin Film ◽  
Methylene Blue ◽  
Acoustic Wave ◽  
Photocatalytic Degradation ◽  
Surface Acoustic Wave ◽  
Input Voltage ◽  
Degradation Efficiency ◽  
Surface Acoustic Wave Device ◽  
Acoustic Wave Device ◽  
Wave Device

The TiO2 thin film was grown on a [Formula: see text] Y-axis cut, X-axis propagation lithium niobate substrate by radio frequency magnetron sputtering to fabricate a surface acoustic wave device. The sputtering ratios of argon to oxygen at 20% and post-annealing temperature at [Formula: see text]C for 3 h were controlled to improve the photocatalytic activity of TiO2 thin film. The effects of work frequency and input voltage of the surface acoustic wave device on the methylene blue photocatalytic degradation efficiency of the TiO2 thin film were investigated. The TiO2 thin film was vibrated at radio frequency by surface acoustic wave device to increase the scattering and reactive frequency for methylene blue in liquid. The surface acoustic wave device operated at 28.65 MHz work frequency and 0.95 V input voltage revealed the highest photocatalytic degradation efficiency of methylene blue. Compared to the TiO2 thin film combined with and without surface acoustic wave device, the surface acoustic wave device enhanced the TiO2 thin film photocatalytic degradation efficiency to 46%.

Bismuth ferrite thin film as an efficient electrode for photocatalytic degradation of Methylene blue dye

2018 ◽  
Vol 6 (2) ◽  
pp. 026426 ◽  
Author(s):  
P V Mane ◽  
N B Shinde ◽  
I M Mulla ◽  
R R Koli ◽  
A R Shelke ◽  
...  
Keyword(s):  
Thin Film ◽  
Methylene Blue ◽  
Photocatalytic Degradation ◽  
Bismuth Ferrite ◽  
Blue Dye ◽  
Methylene Blue Dye

Preparation and performance of Cu2O/TiO2 nano-thin film for photocatalytic degradation of methylene blue

2015 ◽  
Vol 19 (6) ◽  
pp. 441-448 ◽  
Author(s):  
X. Yu ◽  
L. Huang ◽  
Y. Wei ◽  
Q. Yang ◽  
H. Liu ◽  
...  
Keyword(s):  
Thin Film ◽  
Methylene Blue ◽  
Photocatalytic Degradation ◽  
And Performance

scholarly journals Selective synthesis of visible light active γ-bismuth molybdate nanoparticles for efficient photocatalytic degradation of methylene blue, reduction of 4-nitrophenol, and antimicrobial activity

RSC Advances ◽  
2020 ◽  
Vol 10 (60) ◽  
pp. 36636-36643
Author(s):  
B. Lavakusa ◽  
Dharmaoth Rama Devi ◽  
Neway Belachew ◽  
K. Basavaiah
Keyword(s):  
Methylene Blue ◽  
Antimicrobial Activity ◽  
Visible Light ◽  
Photocatalytic Degradation ◽  
Antimicrobial Activities ◽  
Selective Synthesis ◽  
Bismuth Molybdate ◽  
Methylene Blue Reduction ◽  
Visible Light Active ◽  
Ph Conditions

In this study, we have reported selective synthesis of γ-Bi2M2O6 NPs under different pH conditions for photocatalytic degradation of methylene blue (MB), reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) and antimicrobial activities.

Photocatalytic degradation of methylene blue from aqueous solutions using nanopillars-TiO2 thin films: Batch reactor studies

2018 ◽  
Vol 18 (3) ◽  
pp. 81-91 ◽  
Author(s):  
C. Lalhriatpuia
Keyword(s):  
Thin Films ◽  
Methylene Blue ◽  
Photocatalytic Activity ◽  
Organic Carbon ◽  
Photocatalytic Degradation ◽  
Batch Reactor ◽  
Tio2 Thin Films ◽  
Initial Concentration ◽  
Bet Specific Surface Area ◽  
Interfering Ions

Nanopillars-TiO2 thin films was obtained on a borosilicate glass substrate with (S1) and without (S2) polyethylene glycol as template. The photocatalytic behaviour of S1 and S2 thin films was assessed inthe degradation of methylene blue (MB) dye from aqueous solution under batch reactor operations. The thin films were characterized by the SEM, XRD, FTIR and AFM analytical methods. BET specific surface area and pore sizes were also obtained. The XRD data confirmed that the TiO2 particles are in its anatase mineral phase. The SEM and AFM images indicated the catalyst is composed with nanosized pillars of TiO2, evenly distributed on the surface of the substrate. The BET specific surface area and pore sizes of S1 and S2 catalyst were found to be 5.217 and 1.420 m2/g and 7.77 and 4.16 nm respectively. The photocatalytic degradation of MB was well studied at wide range of physico-chemical parameters. The effect of solution pH (pH 4.0 to 10.0) and MB initial concentration (1.0 to 10.0 mg/L) was extensively studied and the effect of several interfering ions, i.e., cadmium nitrate, copper sulfate, zinc chloride, sodium chloride, sodium nitrate, sodium nitrite, glycine, oxalic acid and EDTA in the photocatalytic degradation of MB was demonstrated. The maximum percent removal of MB was observed at pH 8.0 beyond which it started decreasing and a low initial concentration of the pollutant highly favoured the photocatalytic degradation using thin films and the presence of several interfering ions diminished the photocatalytic activity of thin films to some extent. The overall photocatalytic activity was in the order: S2 > S1 > UV. The photocatalytic degradation of MB was followed the pseudo-first-order rate kinetics. The mineralization of MB was studied with total organic carbon measurement using the TOC (total organic carbon) analysis.

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