Abstract
Here in, synthesis of Fe2(MoO4)3/reduced graphene oxide (RGO) nanocomposite was prepared by simple hydrothermal approach and used as high efficient dye sensitized solar cells (DSSCs). The decoration of RGO into the Fe2(MoO4)3 was proved by various physic-chemical studies such as XRD, SEM, TEM, Raman, UV, PL and BET analysis. The individual spherical shaped nanoparticles of Fe2(MoO4)3 with sizes in the range of 25–35 nm was uniformly decorated on the surface of RGO nanosheets. Due to the synergic effect between the Fe2(MoO4)3 and RGO the light absorption property is significantly improved as well the high surface area (112.5 m2/g) and pore size (38.7 nm) was achieved than compared with bare Fe2(MoO4)3 (88.5 m2/g and 17.8 nm). The Fe2(MoO4)3/RGO hybrid photoanode establish to display an outstanding catalytic activity toward the reduction of triiodide to iodide in a dye-sensitized solar cell (DSSC) and can provide a solar cell efficiency of 9.6 ± 0.001%, which is superior to a Pt-based DSSC (6.1 ± 0.002%). The better electro-catalytic ability of Fe2(MoO4)3/RGO electrode is obtained by a synergistic effect that resulted in the high specific surface area and intrinsic reactivity of the materials.
Highlights
Significant attempts have been made by the so-called third generation from the last two decades
Synthesis of Fe2(MoO4)3/reduced graphene oxide (RGO) nanocomposite was prepared by simple hydrothermal approach and used as high efficient dye sensitized solar cells (DSSCs)
The Fe2(MoO4)3/Reduced graphene oxide (RGO) hybrid photoanode establish to display an outstanding catalytic activity toward the reduction of triiodide to iodide in a dye-sensitized solar cell (DSSC) and can provide a solar cell efficiency of 9.65%, which is superior to a Pt-based DSSC (6.17%)
Summary
Significant attempts have been made by the so-called third generation from the last two decades. The most major move in the manufacture of DSSCs has to be taken to making the highefficiency photoelectrode materials in charge carrier insertion and established photo - catalytic stability in electrolytes where redox is severe response may have taken place. Materials that show a narrower photo-response to the spectral light are strongly recommended to increase energy conversion efficiency, even though photo absorption was partially caused by enzyme inhibitor dye molecules. Functional materials with an inherent feature, charge carrying ability, specific chemical and physical attributes are provided special properties vs bulk alternative [11,12,13,14]. Molybdate of AMoO4 forms (A=Zn, Mn, Co, Cu, Cd, Ni, Ba) of nanostutures were designed and synthesized using the hydrothermal process and systematically examined their electrochemical, luminescence and photocatalytic ability in the view of practical device applications [15,16,17,18]
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