%0 Journal Article %1 ADMA:ADMA201703670 %A Wu, Zhifang %A Raga, Sonia R. %A Juarez-Perez, Emilio J. %A Yao, Xuyang %A Jiang, Yan %A Ono, Luis K. %A Ning, Zhijun %A Tian, He %A Qi, Yabing B. %D 2017 %J Advanced Materials %K additive ammonium carbon oxigen perovskite stability %P n/a--n/a %R 10.1002/adma.201703670 %T Improved Efficiency and Stability of Perovskite Solar Cells Induced by CO Functionalized Hydrophobic Ammonium-Based Additives %U http://dx.doi.org/10.1002/adma.201703670 %X Because of the rapid rise of the efficiency, perovskite solar cells are currently considered as the most promising next-generation photovoltaic technology. Much effort has been made to improve the efficiency and stability of perovskite solar cells. Here, it is demonstrated that the addition of a novel organic cation of 2-(6-bromo-1,3-dioxo-1H-benzodeisoquinolin-2(3H)-yl)ethan-1-ammonium iodide (2-NAM), which has strong Lewis acid and base interaction (between CO and Pb) with perovskite, can effectively increase crystalline grain size and reduce charge carrier recombination of the double cation FA0.83MA0.17PbI2.51Br0.49 perovskite film, thus boosting the efficiency from 17.1 ± 0.8% to 18.6 ± 0.9% for the 0.1 cm2 cell and from 15.5 ± 0.5% to 16.5 ± 0.6% for the 1.0 cm2 cell. The champion cell shows efficiencies of 20.0% and 17.6% with active areas of 0.1 and 1.0 cm2, respectively. Moreover, the hysteresis behavior is suppressed and the stability is improved. The result provides a promising route to further elevate efficiency and stability of perovskite solar cells by the fine tuning of triple organic cations.

@article{ADMA:ADMA201703670, abstract = {Because of the rapid rise of the efficiency, perovskite solar cells are currently considered as the most promising next-generation photovoltaic technology. Much effort has been made to improve the efficiency and stability of perovskite solar cells. Here, it is demonstrated that the addition of a novel organic cation of 2-(6-bromo-1,3-dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)ethan-1-ammonium iodide (2-NAM), which has strong Lewis acid and base interaction (between CO and Pb) with perovskite, can effectively increase crystalline grain size and reduce charge carrier recombination of the double cation FA0.83MA0.17PbI2.51Br0.49 perovskite film, thus boosting the efficiency from 17.1 ± 0.8% to 18.6 ± 0.9% for the 0.1 cm2 cell and from 15.5 ± 0.5% to 16.5 ± 0.6% for the 1.0 cm2 cell. The champion cell shows efficiencies of 20.0% and 17.6% with active areas of 0.1 and 1.0 cm2, respectively. Moreover, the hysteresis behavior is suppressed and the stability is improved. The result provides a promising route to further elevate efficiency and stability of perovskite solar cells by the fine tuning of triple organic cations.}, added-at = {2018-01-05T10:54:04.000+0100}, author = {Wu, Zhifang and Raga, Sonia R. and Juarez-Perez, Emilio J. and Yao, Xuyang and Jiang, Yan and Ono, Luis K. and Ning, Zhijun and Tian, He and Qi, Yabing B.}, biburl = {https://www.bibsonomy.org/bibtex/2178666b6fb7f2e2bfee8521c57f302c5/fabianopkm}, description = {Improved Efficiency and Stability of Perovskite Solar Cells Induced by C[DOUBLE BOND]O Functionalized Hydrophobic Ammonium-Based Additives - Wu - 2017 - Advanced Materials - Wiley Online Library}, doi = {10.1002/adma.201703670}, interhash = {0bfd6ea39c369f30b10978e51b331fa6}, intrahash = {178666b6fb7f2e2bfee8521c57f302c5}, issn = {1521-4095}, journal = {Advanced Materials}, keywords = {additive ammonium carbon oxigen perovskite stability}, pages = {n/a--n/a}, timestamp = {2018-01-05T10:54:04.000+0100}, title = {Improved Efficiency and Stability of Perovskite Solar Cells Induced by CO Functionalized Hydrophobic Ammonium-Based Additives}, url = {http://dx.doi.org/10.1002/adma.201703670}, year = 2017 }