Preparation and Performance Study of Antibacterial Materials Based on GO−TiO 2

Hongxia Li, Jie Wu, Xiang Gao, Tiantian Li, Mengmeng Zhang, Xiaohui Niu, Deyi Zhang, Yi Wang, Haiyan Fan, Yingde Wang

2021

Closed access Metadata (CSL-JSON)
DOI 10.1002/slct.202101404
Data confidence 70 medium
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Abstract

Abstract A composite of graphene oxide (GO) and titanium (IV) oxide was prepared through a hydrothermal treatment by mixing TiO 2 with GO. The GO was obtained by using an improved Hummers’ method. The composite (TiO 2 ‐GO) only indicated a weak antibacterial effect against Escherichia coli under dark conditions. Upon introduction of silver‐based nanomaterials, two new composites viz. GO−TiO 2 −Ag and GO−TiO 2 −Ag 2 S were prepared also through hydrothermal reaction. While both composites exhibit stronger antibacterial activities against E. coli than TiO 2 ‐GO in dark, GO−TiO 2 −Ag composite exhibited higher bactericidal rate (92 %) than GO−TiO 2 −Ag 2 S (40 %).