首页|(162796)Enhancement of photocatalytic dye degradation and photoconversion capacity of graphene oxide/SnO_2 nanocomposites
(162796)Enhancement of photocatalytic dye degradation and photoconversion capacity of graphene oxide/SnO_2 nanocomposites
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NSTL
Elsevier
In this study, solvothermal method was adopted to successfully prepare graphene oxide (GO) supported SnO_2 nanocomposites using tin tetrachloride pentahydrate and graphene oxide as raw materials, tetra-methyl ammonium hydroxide (TMAH) as a control agent. The synthetic materials presented the efficient capacity in the photocatalytic degradation and photoelectric conversion. In the photocatalytic degradation of rhodamine B (RB) and methylene blue (MB), sample SnO_2-0.1% GO showed the optimal photocatalytic efficiencies for RB (97.26%) and MB (89.43%) degradation. According to the different degradation performances of RB and MB functional groups, we reasonably explained the electron transfer mechanism at the interface of SnO_2-GO nanomaterials, and verified it in the experiment of photoelectric conversion proceed combined with titanium dioxide nanotube arrays (TiO_2NTs). The enhanced photocurrent density and stability can also be effectively improved due to the effective photoelectron transfer from SnO_2 to GO surface.
NSTL
Elsevier
