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http://hdl.handle.net/10397/87558
Title: | Atomic layer deposition of metal oxides for efficient perovskite single-junction and perovskite/silicon tandem solar cells | Authors: | Hossain, MI Mohammad, A Qarony, W Ilhom, S Shukla, DR Knipp, D Biyikli, N Tsang, YH |
Issue Date: | 2020 | Source: | RSC advances, 2020, v. 10, no. 25, p. 14856-14866 | Abstract: | Aluminum-doped and undoped zinc oxide films were investigated as potential front and rear contacts of perovskite single and perovskite/silicon tandem solar cells. The films were prepared by atomic layer deposition (ALD) at low (<200 °C) substrate temperatures. The deposited films were crystalline with a single-phase wurtzite structure and exhibit excellent uniformity and low surface roughness which was confirmed by XRD and SEM measurements. Necessary material characterizations allow for realizing high-quality films with low resistivity and high optical transparency at the standard growth rate. Spectroscopic ellipsometry measurements were carried out to extract the complex refractive index of the deposited films, which were used to study the optics of perovskite single junction and perovskite/silicon tandem solar cells. The optics was investigated by three-dimensional finite-difference time-domain simulations. Guidelines are provided on how to realize perovskite solar cells exhibiting high short-circuit current densities. Furthermore, detailed guidelines are given for realizing perovskite/silicon tandem solar cells with short-circuit current densities exceeding 20 mA cm-2 and potential energy conversion efficiencies beyond 31%. | Publisher: | Royal Society of Chemistry | Journal: | RSC advances | EISSN: | 2046-2069 | DOI: | 10.1039/d0ra00939c | Rights: | © The Royal Society of Chemistry 2020. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. The following publication Hossain, M. I., Mohammad, A., Qarony, W., Ilhom, S., Shukla, D. R., Knipp, D., ... & Tsang, Y. H. (2020). Atomic layer deposition of metal oxides for efficient perovskite single-junction and perovskite/silicon tandem solar cells. RSC Advances, 10(25), 14856-14866, is available at https://doi.org/10.1039/D0RA00939C |
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