Optical Simulation Study on Indoor Organic Photovoltaics with Textured Electrodes towards Self-powered Photodetector
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초록
In this work, we performed an optical simulation study on the performance of a PMDPP3T:PCBM based on an organic photovoltaic (PV) device. The virtual PV device was developed in Lumerical, finite-difference time-domain (FDTD) solutions. Different layers ofthe PV cell have been defined through the incorporation of complex refractive index value of those layers’ constituent materials. Duringthe simulation study, the effect of the variation active layer thickness on an ideal short circuit current density (Jsc, ideal) of the PV cell has been, first, observed. Thereafter, we have investigated the impact of surface roughness of a transparent conducting oxide (TCO) elec- trode on Jsc,ideal of the PV cells. From this simulation, it has been observed that the Jsc,ideal value of the PV cell is strongly dependent on the thickness of its active layer and the photon absorption of the PV cell has gradually decreased with the increment of the TCO’s surface roughness. As a result, the capability of the PV device has been reduced with the increment of the surface roughness of the TCO.
Abstract
In this work, we performed an optical simulation study on the performance of a PMDPP3T:PCBM based on an organic photovoltaic (PV) device. The virtual PV device was developed in Lumerical, finite-difference time-domain (FDTD) solutions. Different layers ofthe PV cell have been defined through the incorporation of complex refractive index value of those layers’ constituent materials. Duringthe simulation study, the effect of the variation active layer thickness on an ideal short circuit current density (Jsc, ideal) of the PV cell has been, first, observed. Thereafter, we have investigated the impact of surface roughness of a transparent conducting oxide (TCO) elec- trode on Jsc,ideal of the PV cells. From this simulation, it has been observed that the Jsc,ideal value of the PV cell is strongly dependent on the thickness of its active layer and the photon absorption of the PV cell has gradually decreased with the increment of the TCO’s surface roughness. As a result, the capability of the PV device has been reduced with the increment of the surface roughness of the TCO.
참고문헌 (17)
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