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Berlin 2018 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 13: Poster Session I

HL 13.31: Poster

Monday, March 12, 2018, 17:30–19:30, Poster B

High-throughput calculations for the identification of novel materials for tandem cells — •Hossein Mirhosseini, Ramya Kormath Raghupathy, Hendrik Wiebeler, and Thomas D. Kühne — Department of Chemistry, University of Paderborn, Paderborn, Germany

One straightforward way to considerably enhance the efficiency of the solar cells is the realization of multi-junction solar cells such as tandem cells: the efficiency of a two sub-cells tandem can be raised up to 42% [1]. In this work, high-throughput ab-initio calculations were employed to identify the most promising absorber and p-type transparent conducting materials (TCMs) for future tandem cells [2]. Non-toxic semiconductors with hole effective masses smaller than 1 and band gaps larger than 1 eV (for absorber) and 1.7 eV (for TCMs) were considered here. The dopability and extrinsic dopants were investigated to determine the performance of the selected compounds.

[1] A. De Vos, J. Phys. D: Appl. Phys. 13, 839 (1980)

[2] D. Broberg, B. Medasani, N. Zimmermann, A. Canning, M. Haranczyk, M. Asta, G. Hautier, arXiv:1611.07481

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