Kinetic Simulations of Cu Doping in Chlorinated CdSeTe PV Absorbers

Sankin, Igor; Krasikov, Dmitry

doi:10.1002/pssa.201800887

Title: Kinetic Simulations of Cu Doping in Chlorinated CdSeTe PV Absorbers

Journal Article · Tue Mar 26 00:00:00 EDT 2019 · Physica Status Solidi. A, Applications and Materials Science

DOI:https://doi.org/10.1002/pssa.201800887· OSTI ID:1592014

^[1]; Krasikov, Dmitry ^[1]

First Solar, Inc., Perrysburg, OH (United States)

This paper reports on 1D kinetic modeling of p-type doping formation in Cu-doped chlorinated CdSeTe photovoltaic (PV) absorbers with graded Se profiles. Following the recent progress in kinetic simulations of the defect chemistry in stoichiometric CdTe films, this work extends simulation capabilities to a domain of semiconductor alloy films with graded stoichiometries. The defect formation energies and ionization levels, as well as the diffusion and reaction barriers used in the reaction-diffusion equations are calculated from the first principles. A new formalism is employed to account for the uncertainty of the defect formation energies in semiconductor alloys caused by unknown local surrounding. Finally, the developed methodology is used to model a practical fabrication process of p-type doping formation in graded CdSeTe absorbers and to study the effect of alloy stoichiometry on the doping activation.

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Research Organization:: Arizona State Univ., Tempe, AZ (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office

Grant/Contract Number:: EE0007536; EE0006344

OSTI ID:: 1592014

Alternate ID(s):: OSTI ID: 1503064

Journal Information:: Physica Status Solidi. A, Applications and Materials Science, Vol. 216, Issue 15; ISSN 1862-6300

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 14 works

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References (17)

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Cited By (3)

Radiative Efficiency and Charge‐Carrier Lifetimes and Diffusion Length in Polycrystalline CdSeTe Heterostructures Kuciauskas, Darius; Moseley, John; Ščajev, Patrik physica status solidi (RRL) – Rapid Research Letters, Vol. 14, Issue 3 https://doi.org/10.1002/pssr.201900606	journal	December 2019
Machine-learned impurity level prediction for semiconductors: the example of Cd-based chalcogenides Mannodi-Kanakkithodi, Arun; Toriyama, Michael Y.; Sen, Fatih G. npj Computational Materials, Vol. 6, Issue 1 https://doi.org/10.1038/s41524-020-0296-7	journal	April 2020
Radiative Efficiency and Charge‐Carrier Lifetimes and Diffusion Length in Polycrystalline CdSeTe Heterostructures Kuciauskas, Darius; Moseley, John; Ščajev, Patrik physica status solidi (RRL) – Rapid Research Letters, Vol. 14, Issue 3 https://doi.org/10.1002/pssr.202070016	journal	January 2020

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Title: Kinetic Simulations of Cu Doping in Chlorinated CdSeTe PV Absorbers

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