| 초록 |
In this manuscript, we studied the surface potential of the metal-polymer hybrid layer and its effect on the TENG performance. As a model system, silver nanowires embedded in two different polymers with positive or negative tribopotentials were prepared. The surface potentials of hybrid system were systematically investigated with Kelvin probe force microscopy. These results indicated that each component in the hybrid surface affected each other because of their work function difference. Two important finding was as follows. First, the surface potential of each polymer shifted dramatically towards that of Ag and the Ag surface potential also shifted towards that of each polymer. Second, higher density of AgNWs increased the charge density induced in the polymer by Ag, which resulted in larger shift in the polymer surface potential. From the TENG measurements, we found that the tribopotential difference between two contact surfaces of the AgNWs-polymer hybrid layer. |
