title: Bifunctional Ag/C3N4.5 composite nanobelts for photocatalysis and antibacterium.
abstract: Multiple functions can be achieved in carbon nitride-based composite nanomaterials by tuning their components and structures. Here, we report on a large-scale synthesis of novel bifunctional Ag/C3N4.5 composite nanobelts (CNBs) with efficient photocatalytic and antibacterial activity. The Ag/C3N4.5 CNBs were synthesized in high yield by a two-step route including a homogeneous precipitation process and a subsequent calcination treatment. The structural, morphological, compositional, and spectroscopic characterizations revealed that the Ag/C3N4.5 CNBs are composed of N-deficient melem ultrathin nanobelts and crystalline Ag nanoparticles attached to the surface of the nanobelts with good contact. The band gap of the Ag/C3N4.5 CNBs is determined to be about 3.04 eV. The efficient photocatalytic and antibacterial activities of the composite nanomaterials are verified by testing the degradation of Rhodamine B (RhB) and the inhibition zone to bacterium E. coli. The work provides a facile route to bifunctional carbon nitride-based composites with potential applications in the fields of the environment and biology.
authors: School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China.
authors: Renbo
authors: R
authors: Lei
authors: Jikang
authors: J
authors: Jian
authors: Zhihua
authors: Z
authors: Zhang
authors: Bo
authors: B
authors: Song
authors: Rong
authors: R
authors: Wu
mesh_terms: D002384:Catalysis; D004926:Escherichia coli; D008027:Light; D053758:Nanoparticles; D049329:Nanostructures; D009570:Nitriles; D012834:Silver / Q000737:chemistry*
chemical_list: D009570:Nitriles; D012834:Silver; C011206:cyanogen