TY - JOUR
T1 - Synthesis of silver-nanoparticles composite with highly catalytic activity supported on the reduced graphene oxide
AU - Qian, Yunlong
AU - Zhou, Chen
AU - Zhou, Junjie
AU - Huang, Aisheng
N1 - Publisher Copyright:
© 2020 Elsevier B.V.
PY - 2020/9/30
Y1 - 2020/9/30
N2 - Ag-based catalyst rGO/PDA/Ag, which is supported on the reduced graphene oxide (rGO), have been synthesized under mild conditions by an environment-friendly and facile strategy through self-polymerization between dopamine (DPA) and GO as well as Ag nanoparticles (NPs). The relevant structural characterizations were performed by Raman, XRD, XPS, SEM and TEM. The influence of the amount of poly(dopamine) (PDA) and Ag on the catalytic performance of rGO/PDA-x/Ag-y (x = 1.0, 1.5, 2.0, 2.5, y = 5, 10, 15, 20) catalysts were systematically investigated towards the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP). Among these catalysts, the fabricated rGO/PDA-2/Ag-15 catalyst exhibits the best catalytic performance. Recycling results demonstrate the catalyst possesses excellent stability. Furthermore, the catalytic degradation of methylene blue (MB) is also evaluated by using the developed rGO/PDA-2/Ag-15 catalyst at room temperature without using light resource, indicating that the rGO/PDA-2/Ag-15 catalyst shows excellent performance for the degradation performance of MB.
AB - Ag-based catalyst rGO/PDA/Ag, which is supported on the reduced graphene oxide (rGO), have been synthesized under mild conditions by an environment-friendly and facile strategy through self-polymerization between dopamine (DPA) and GO as well as Ag nanoparticles (NPs). The relevant structural characterizations were performed by Raman, XRD, XPS, SEM and TEM. The influence of the amount of poly(dopamine) (PDA) and Ag on the catalytic performance of rGO/PDA-x/Ag-y (x = 1.0, 1.5, 2.0, 2.5, y = 5, 10, 15, 20) catalysts were systematically investigated towards the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP). Among these catalysts, the fabricated rGO/PDA-2/Ag-15 catalyst exhibits the best catalytic performance. Recycling results demonstrate the catalyst possesses excellent stability. Furthermore, the catalytic degradation of methylene blue (MB) is also evaluated by using the developed rGO/PDA-2/Ag-15 catalyst at room temperature without using light resource, indicating that the rGO/PDA-2/Ag-15 catalyst shows excellent performance for the degradation performance of MB.
KW - Ag-NPs catalyst
KW - Catalytic degradation
KW - Catalytic reduction
KW - Polydopamine (PDA)
KW - Reduced graphene oxide (rGO)
UR - https://www.scopus.com/pages/publications/85084253369
U2 - 10.1016/j.apsusc.2020.146597
DO - 10.1016/j.apsusc.2020.146597
M3 - 文章
AN - SCOPUS:85084253369
SN - 0169-4332
VL - 525
JO - Applied Surface Science
JF - Applied Surface Science
M1 - 146597
ER -