Facile synthesis of zwitterionic surfactant‐assisted molybdenum oxide/reduced graphene oxide nanocomposite with enhanced photocatalytic and antimicrobial activities

Abstract

Reduced graphene oxide (rGO) was synthesized by chemical reduction method and molybdenum oxide (MoO 3 ) was synthesized by sol-gel method, separately. Molybdenum oxide/reduced graphene oxide (MoO 3 /rGO) nanocomposite was synthesized by sol-gel method followed by sonication method in the presence of zwitterionic surfactant, myristyl sulfobetaine (SB3-14) at its critical micelle concentration. The optical properties of nanocomposite were studied by calculating the bandgap. The average crystallite size of the nanocomposite was calculated as 22.16 nm using XRD. Direct allowed bandgap of MoO 3 /rGO nanocomposite was found 3.69 eV and its photocatalytic activity under the irradiation of sunlight showed 97.64% degradation against methylene blue. Antimicrobial activities were also checked against different bacterial strains.

Neodymium oxide nanoparticles synthesis using phytochemicals of leaf extracts of different plants as reducing and capping agents: Growth mechanism, optical, structural and catalytic properties

“…The average crystallite size of Nd 2 O 3 nanoparticles was found between 6.0 and 18.5 nm and is smaller than the particle size reported in literature. [40][41][42] The Nd 2 O 3 nanoparticles prepared using NaOH showed the highest photocatalytic activity against MB due to a lower band gap value which may be due to (a) photocatalysis and (b) dye sensitization) [55,66] and a smaller average crystallite size, while stability with of Nd 2 O 3 nanoparticles was found more when prepared by using the plant extracts due to capping of phytochemicals as proposed in the mechanism.…”

Elucidating the structural, catalytic, and antibacterial traits ofFicus caricaandAzadirachta indicaleaf extract‐mediated synthesis of theAg/CuO/rGOnanocomposite

“…GO was synthesized using the modified Hummers' method (Ishtiaq et al, 2022). The synthesized GO was reduced using the green reduction method using A. indica extract as reducing agent.…”

Synthesis and characterization of ternary nanocomposites of TiO2/rGO/CdS as an efficient catalyst for photo‐degradation of methyl orange

“…[5][6][7] Recently, incorporation of TiO₂ with low-bandgap semiconductor CdS has become one of the most important chalcogenide materials with a bandgap lying in the visible region ($2.42 eV) at room temperature, which is used in many applications such as solar cells, light emitted diodes, optoelectronic devices, and photocatalysts. [8][9][10][11] Various researchers have already proposed that composites based on CdS and TiO₂ could improve photocatalytic performance because of low recombination rates. [12,13] Although these types of composites showed enhanced photodegradation performance.…”