期刊
ENERGY SCIENCE & ENGINEERING
卷 8, 期 9, 页码 3165-3173出版社
WILEY
DOI: 10.1002/ese3.734
关键词
chemical vapor deposition; chemistry; emerging photovoltaics; engineering; materials science; methylammonium lead iodide; perovskite; solar cells; sustainable energy; thin films
资金
- Darmstadt Graduate School of Excellence Energy Science and Engineering, a DFG [GSC 1070]
- German Federal Ministry of Education and Research (BMBF) within the PeroSol project [03SF0483A]
An upscalable chemical vapor deposition setup has been built-up and employed in producing methylammonium lead iodide (MAPI) thin film perovskite solar cells, leading to a maximum efficiency of 12.9%. The method makes use of methylamine gas and hydrogen iodide gas to transform a predeposited layer of lead(II)iodide (PbI2) into MAPI. Although the reaction mechanism includes the intermediate phases lead oxide (PbO) and lead hydroxide (Pb(OH)(2)), indicated at least on the surface of the samples by XPS, neither species could be observed in XRD measurements of the stepwise reaction, which show a mixture of highly oriented cubic and tetragonal MAPI perovskite lattice systems.
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