期刊
APL MATERIALS
卷 2, 期 8, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4890545
关键词
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资金
- MINECO of Spain [MAT2013-47192-C3-1-R]
- Universitat Jaume I project [12I361.01/1]
- FP7 European project ALLOXIDE [309018]
A new iridium complex, IrCp*Cl(PyPyz)[TFSI], has been synthesized and used as additive for the hole transporter material, spiro-OMeTAD, in perovskite solar cells. The cells prepared with this Ir additive present higher efficiency than reference cells, and similar to cells prepared with Co additive. We have determined that the presence of metal complexes as additives decreases the recombination rate, as it has been observed by impedance spectroscopy. Very interestingly, while the efficiency after 3 months decreases by 22% and 70% for reference cell and cell with Co additive, respectively, the efficiency of devices containing the Ir additive is only decreased by a 4%. (C) 2014 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
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