High efficiency GALLIUM PHOSPHIDE (cas 12063-98-8) solar cells using TC-doped absorber layer

Add time:07/29/2019    Source:sciencedirect.com

In this work, we have investigated the structural and magnetic properties of GaP-based diluted magnetic semiconductors (DMSs). Based on first-principle density functional theory (DFT) calculations and using a full potential linearized augmented plane wave (FP-LAPW) method in generalized gradient approximation (GGA), some significant structural and magnetic properties of Transition Compounds-doped GALLIUM PHOSPHIDE (cas 12063-98-8) (Ga1−XTCXP: TC = V, Mn, Fe, Co, Ni & Cu) as DMS are investigated. Then, a conventional gallium phosphide photovoltaic junction was simulated with a GaP absorber layer as reference cell. Last, a high efficiency gallium phosphide photovoltaic junction was proposed with a Ga1−XTCXP absorber layer. Simulation results showed that by using Ga1−XTCXP compound, the short-circuit current density (JSC) and the conversion efficiency of proposed solar cell increase impressively. Under global AM 1.5 conditions, the proposed cell structure has an open-circuit voltage (VOC) of 1.01 V, JSC of 9.05 mA/cm2 and a fill factor (FF) of 88%; all in all lead to total area conversion efficiency (η) improved to 8.06% which increased about 5.93% compared with a reference cell.

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