Facile synthesis of zwitterionic surfactant‐assisted molybdenum oxide/reduced graphene oxide nanocomposite with enhanced photocatalytic and antimicrobial activities. Issue 2 (27th December 2021)

• Record Type: Journal Article
• Authors: Ishtiaq, Aisha; Farrukh, Muhammad Akhyar; Rehman, Atta ur; Karim, Shafqat; Chong, Kok‐Keong
• Is Part Of: Journal of the Chinese Chemical Society. Volume 69:Issue 2(2022)
• Page Start: 269
• Page End: 279
• Publication Date: 2021-12-27
• Subjects: antimicrobial activities -- bandgap -- photocatalysis -- reduced graphene oxide; Chemistry -- Periodicals; Electronic journals; 540.5
• DOI: 10.1002/jccs.202100469
• Languages: English
• ISSNs: 0009-4536

Abstract

Abstract: Reduced graphene oxide (rGO) was synthesized by chemical reduction method and molybdenum oxide (MoO3 ) was synthesized by sol–gel method, separately. Molybdenum oxide/reduced graphene oxide (MoO3 /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 MoO3 /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. Abstract : Molybdenum oxide/reduced graphene oxide (MoO3/rGO) nanocomposite was synthesized by sol‐gel method followed by sonication method in the presence of zwitterionic surfactant, myristyl sulfobetaine. The band gap, thermodynamic parameters such as activation energy, enthalpy, entropy and Gibb's free energy and kinetic parameters were calculated. Particle size and bond length was investigated. Moreover, the photocatalytic and antimicrobial activities of as synthesized nanocomposite were observed. Photocatalytic activity under the irradiation of sunlight showed 97.64 % degradation against methylene blue.