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Authors
Xiao, Zhengguo
Yuan, Yongbo
Shao, Yuchuan
Wang, Qi
Dong, Qingfeng
Bi, Cheng
Sharma, Pankaj
Gruverman, Alexei
Huang, Jinsong
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Article History
Received: 11 July 2014
Accepted: 28 October 2014
First Online: 8 December 2014
Change Date: 7 January 2015
Change Type: Correction
Change Details: In the version of this Letter originally published online, the (') and (•) symbols where reversed. In keeping with the Kröger–Vink notation, the (') should indicate a negative charge and (•) a positive charge, thus the following sentences should have read "Theoretical calculations predicted that negatively charged Pb and MA vacancy (V<sub>Pb</sub>' and V<sub>MA</sub>') could result in p-type doping, whereas positively charged I vacancy (V<sub>I</sub><sup>•</sup>) results in...", "In this scenario, the electric field causes the drift of charged V<sub>I</sub><sup>•</sup>, V<sub>Pb</sub>' and/or V<sub>MA</sub>', which have low formation energies..." and "The loss of perovskite material on the anode side indicated that the drifting ions were V<sub>Pb</sub>' and/or V<sub>MA</sub>'." These errors have now been corrected in all versions of the Letter.
Competing interests
: The authors declare no competing financial interests.
