QUOKKA 2

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Quokka 2 is a free and fast computer simulation program for modeling solar cells in 1D, 2D or 3D.

Quokka numerically solves the 1D/2D/3D charge carrier transport in a quasi-neutral silicon device in an efficient and fast manner. It uses so called conductive boundaries to account for surface dopant diffusions and thus to simulate a solar cell device without major loss of generality.

Quokka supports different predefined cell designs. A front and rear contact (FRC) version and an interdigitated back contact (IBC) version are available for free use. Quokka lets the user set a range of device properties as well as solver options such as IV-curve, open circuit, parameter sweep, luminescence image etc.

Version 2.2.5 was released on 26-Jul-2016. It contains a plethora of small changes that are summarised in the change log.

Thanks to everyone who has provide feedback. If you have any suggestions or find any errors, please send them to us at support@pvlighthouse.com.au

     
Download:
See also:
Quokka3
Author:
Andreas Fell
Resources:
  • Quokka manual (10-Jun-2015).
  • MATLAB Compiler Runtime (MCR) 2013b: Quokka is a compiled MATLAB program and will only run if MCR 2013b is installed on your computer. MCR 2013b is freely available from Mathworks.
  • Quokka 2 settings file generator: Use this webpage to rapidly generate input files for use with Quokka simulations.
  • OPAL 2: Generate and download generation files with OPAL 2 that are specifically formatted for Quokka simulations.
References:

A. Fell, "A free and fast 3D/2D solar cell simulator featuring conductive boundary and quasi-neutrality approximations," IEEE Transactions on Electron Devices, Vol 60 (2), pp. 733–738, 2012.

A. Fell, K.R. McIntosh, M. Abbott and D. Walter, "Quokka version 2: selective surface doping, luminescence modeling and data fitting" 23rd International Photovoltaic Science and Engineering Conference, Taipei, 2013.

A. Fell, K.C. Fong, K.R. McIntosh, E. Franklin and A.W. Blakers, "3-D simulation of interdigitated-back-contact silicon solar cells with Quokka including perimeter losses" IEEE Journal of Photovoltaics 4, pp. 1040–1045, 2014.

Notes:

Quokka assumes that the bulk of the modelled solar cell is quasi-neutral (i.e., that the excess electron and hole concentrations are equal), and that the surface diffusions can be modelled by the conductive boundary approach. When these assumptions are invalid, more sophisticated simulation software is required such as Sentaurus or Atlas.

Comments? Bugs? Errors? Compliments?

Welcome to Quokka 2

Quokka 2 is a downloadable freeware program that numerically solves the 1D/2D/3D charge carrier transport in a quasi-neutral silicon device in an efficient and fast manner. In other words it can be easily used to simulate many different types of solar cells.

This web page provides links to download the software as well as some instructions to get you started.

We are actively improving this site to provide all of the information required to allow people to make effective use of Quokka. Please let us know if you have any suggestions.

Disclaimer

Neither PV Lighthouse nor any person related to the compilation of this calculator make any warranty, expressed or implied, or assume any legal liability or responsibility for the accuracy, completeness or usefulness of any information disclosed or rendered by this program.

Version 2.2.2, 16-November-2014

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Neither PV Lighthouse nor any person related to the compilation of this calculator make any warranty, expressed or implied, or assume any legal liability or responsibility for the accuracy, completeness or usefulness of any information disclosed or rendered by this program.

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