Darwin at High Temperature : Advancing Solar Cell Material Design Using Defect Kinetics Simulations and Evolutionary Optimization

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2014
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Fenning, David P.
Hofstetter, Jasmin
Morishige, Ashley E.
Powell, Douglas M.
Buonassisi, Tonio
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Advanced Energy Materials. 2014, 4(13), 1400459. ISSN 1614-6832. eISSN 1614-6840. Available under: doi: 10.1002/aenm.201400459
Zusammenfassung

Material defects govern the performance of a wide range of energy conversion and storage devices, including photovoltaics, thermoelectrics, and batteries. The success of large-scale, cost-effective manufacturing hinges upon rigorous material optimization to mitigate deleterious defects. Material processing simulations have the potential to accelerate novel energy technology development by modeling defect-evolution thermodynamics and kinetics during processing of raw materials into devices. Here, a predictive process optimization framework is presented for rapid material and process development. A solar cell simulation tool that models defect kinetics during processing is coupled with a genetic algorithm to optimize processing conditions in silico. Experimental samples processed according to conditions suggested by the optimization show significant improvements in material performance, indicated by minority carrier lifetime gains, and confirm the simulated directions for process improvement. This material optimization framework demonstrates the potential for process simulation to leverage fundamental defect characterization and high-throughput computing to accelerate the pace of learning in materials processing for energy applications.

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530 Physik
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process simulations, manufacturing optimization, photovoltaic devices, genetic algorithms, defects
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ISO 690FENNING, David P., Jasmin HOFSTETTER, Ashley E. MORISHIGE, Douglas M. POWELL, Annika ZUSCHLAG, Giso HAHN, Tonio BUONASSISI, 2014. Darwin at High Temperature : Advancing Solar Cell Material Design Using Defect Kinetics Simulations and Evolutionary Optimization. In: Advanced Energy Materials. 2014, 4(13), 1400459. ISSN 1614-6832. eISSN 1614-6840. Available under: doi: 10.1002/aenm.201400459
BibTex
@article{Fenning2014Darwi-29324,
  year={2014},
  doi={10.1002/aenm.201400459},
  title={Darwin at High Temperature : Advancing Solar Cell Material Design Using Defect Kinetics Simulations and Evolutionary Optimization},
  number={13},
  volume={4},
  issn={1614-6832},
  journal={Advanced Energy Materials},
  author={Fenning, David P. and Hofstetter, Jasmin and Morishige, Ashley E. and Powell, Douglas M. and Zuschlag, Annika and Hahn, Giso and Buonassisi, Tonio},
  note={Article Number: 1400459}
}
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