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A series of graphene/CaIn2O4 composites were synthesized using a facile solvothermal method to improve the photocatalytic performance of CaIn2O4. The reduction of graphene oxide to graphene and the deposition of CaIn2O4 nanoparticles on the graphene sheets can be achieved simultaneously during the solvothermal process. The photocatalytic activities of as-prepared graphene/CaIn2O4 composites for hydrogen...
In this paper, the optical near-field enhancement of graphene bowtie antennas is numerically investigated at terahertz frequencies using boundary element method. The enhanced field intensity at the gap region is a result of the mutual coupling between two triangular elements upon the excitation of graphene plasmons. Firstly, wide plasmon frequency tunability is demonstrated by changing the chemical...
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