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High efficiency gallium phosphide solar cells using TC-doped absorber layer
Imam Reza Int Univ, Iran.
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, Faculty of Science & Engineering.
2018 (English)In: Physica. E, Low-Dimensional systems and nanostructures, ISSN 1386-9477, E-ISSN 1873-1759, Vol. 104, p. 116-123Article in journal (Refereed) Published
Abstract [en]

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 (Ga1-XTCXP: TC = V, Mn, Fe, Co, Ni amp; 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 (J(SC)) 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 (V-OC) of 1.01 V, J(SC) of 9.05 mA/cm(2) and a fill factor (FF) of 88%; all in all lead to total area conversion efficiency (eta) improved to 8.06% which increased about 5.93% compared with a reference cell.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2018. Vol. 104, p. 116-123
Keywords [en]
GaP; Transition component; Efficiency; Solar cell; Output power
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:liu:diva-151467DOI: 10.1016/j.physe.2018.07.011ISI: 000443990400018OAI: oai:DiVA.org:liu-151467DiVA, id: diva2:1250681
Available from: 2018-09-24 Created: 2018-09-24 Last updated: 2018-09-24

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