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- Title
Non-woven polyester fabric-supported cuprous oxide/reduced graphene oxide nanocomposite for photocatalytic degradation of methylene blue.
- Authors
Dao, My Uyen; Nguyen, Thi Thu Trang; Le, Van Thuan; Hoang, Hien Y.; Le, Thi Thanh Nhi; Pham, Thi Nam; Nguyen, Thi Thom; Akhmadullin, R. M.; Le, Hoang Sinh; Tran, Hoang V.; Tran, Dai Lam
- Abstract
Graphene oxide (GO) and reduced GO (rGO) have become the most exciting material in the applications for photocatalysts. However, the GO composite film-based high-activity photocatalyst is usually not durable in aqueous solution. Therefore, in this paper, the non-woven polyester fabric (NWPF)-supported cuprous oxide nanoparticles (Cu2O) decorated on rGO (Cu2O/rGO@NWPF) membrane were suggested to synthesize via chemical reduction method. The Cu2O/rGO@NWPF nanocomposite was characterized by X-ray diffraction, transmission electron microscopy, Raman spectroscopy, Fourier transform infrared spectroscopy, Brunauer–Emmett–Teller method, and energy-dispersive X-ray spectroscopy analysis. The combination of rGO and Cu2O particles supported on NWPF exhibited enhanced photocatalytic degradation of methylene blue (MB) under solar light and achieved 96% of MB removal efficiency in 120 min. The photocatalytic mechanism and the synergistic effects between Cu2O nanoparticles and rGO sheets were comprehensively investigated. The Cu2O/rGO@NWPF catalyst showed excellent stability with retained catalytic activity in four consecutive recycles. The obtained results indicated that the Cu2O/rGO@NWPF composite has a good application potential to large-scale water treatment at lakes or rivers.
- Subjects
CUPROUS oxide; METHYLENE blue; GRAPHENE oxide; FOURIER transform infrared spectroscopy; NANOCOMPOSITE materials; WATER purification
- Publication
Journal of Materials Science, 2021, Vol 56, Issue 17, p10353
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-021-05965-4