Technical Papers
Feb 13, 2017

Performance Optimization of Solar Cells Based on Heterojunctions with Cu2O: Numerical Analysis

Publication: Journal of Energy Engineering
Volume 143, Issue 4

Abstract

A numerical analysis for performance optimization of solar cells based on heterojunctions with copper oxide (Cu2O) is performed. The equations given by the single-diode model for solar cells with the Lambert W-function, experimental data from the literature, and an adequate fitting procedure are used. A model for the light-generated current density is proposed. The results indicate a power conversion efficiency of 19.29% without any optical confinement structure to such an ideal solar cell. The parameters of the solar cell are obtained from the analysis of the total current density on voltage (JV) experimental characteristics. The influence of the series resistance, shunt resistance, ideality factor, product between the mobility and the lifetime of electron, cell temperature, and thickness of the absorber layer on the maximum output power and power conversion efficiency is analyzed, aiming to be used for the design and optimization of these solar cells.

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Acknowledgments

This work was supported by the Romanian National Authority for Scientific Research through the CNCSUEFISCDI under Project M-ERA.NET, SOLHET, Contract No. 34/2016, FI 541602.

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Go to Journal of Energy Engineering
Journal of Energy Engineering
Volume 143Issue 4August 2017

History

Received: Jun 2, 2016
Accepted: Oct 4, 2016
Published online: Feb 13, 2017
Discussion open until: Jul 13, 2017
Published in print: Aug 1, 2017

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Authors

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Mihai Răzvan Mitroi [email protected]
Associate Professor, Univ. Politehnica of Bucharest, 313 Splaiul Independentei, Bucharest 060042, Romania. E-mail: [email protected]
Lecturer, Univ. Politehnica of Bucharest, 313 Splaiul Independentei, Bucharest 060042, Romania (corresponding author). ORCID: https://orcid.org/0000-0002-2791-6954. E-mail: [email protected]
Laurenţiu Fara [email protected]
Professor, Univ. Politehnica of Bucharest, 313 Splaiul Independentei, Bucharest 060042, Romania; Member of the Physics Section, Academy of Romanian Scientists, 54 Splaiul Independentei, Bucharest 050094, Romania. E-mail: [email protected]

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