Exploring the structural and optical properties of FeS filled graphene/PVA blend for environmental-friendly applications

被引:44
作者
Badawi, Ali [1 ,2 ]
Mersal, Gaber A. M. [3 ]
Shaltout, Abdallah A. [4 ]
Boman, Johan [5 ]
Alsawat, Mohammed [3 ]
Amin, Mohammed A. [3 ]
机构
[1] Taif Univ, Coll Sci, Dept Phys, POB 11099, At Taif 21944, Saudi Arabia
[2] Taif Univ, Univ Coll Turabah, Dept Phys, POB 11099, At Taif 21944, Saudi Arabia
[3] Taif Univ, Coll Sci, Dept Chem, POB 11099, At Taif 21944, Saudi Arabia
[4] Natl Res Ctr, Phys Div, El Behooth St, Cairo 12622, Egypt
[5] Univ Gothenburg, Dept Chem & Mol Biol, Atmospher Sci, Gothenburg, Sweden
关键词
Iron sulfide; Graphene; PVA blend; Bandgap tailoring; Refractive index; Environmental-friendly applications; SENSITIZED SOLAR-CELLS; DIELECTRIC-PROPERTIES; IRON SULFIDE; ELECTRICAL-PROPERTIES; CARBON NANOTUBES; QUANTUM DOTS; BAND-GAP; NANOPARTICLES; COMPOSITE; PERFORMANCE;
D O I
10.1007/s10965-021-02626-7
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
In this study, the role of iron sulfide (FeS) content on the structural and optical properties of graphene/polyvinyl alcohol (Gr/PVA) blend has been examined for environmental-friendly applications. Gr/PVA blend filled with FeS (0 to 10 wt%) were equipped using the casting technique. The prepared samples were studied via a scanning electron microscope, X-ray diffractometer, FT-IR and UV-visible-NIR spectrophotometers. XRD analysis shows that the crystallinity increases with increasing FeS concentration in the host Gr/PVA blend. UV-visible-NIR analysis shows that the direct optical bandgap of composite blends shrinks from 5.37 to 4.68 eV as FeS content is increased to 10 wt%. Also, it confirms that the refractive index and optical conductivity of Gr/PVA blend could be significantly enhanced via FeS filling. FeS filled Gr/PVA blends are recommended eco-friendly applications.
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页数:12
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