Main Text (Joule 4, 222–234; January 15, 2020) We have identified three minor errors in the original published version of this article. 1 The legends of control device and IPE device in Figure 4D are reversed.2 The chemical formula “CsPb(I0.75Br0.25)3-0.5FAI0.24Br0.76” should be “CsPb(I0.75Br0.25)3-0.5FAI0.26Br0.74” in Figure 3E and the corresponding legend.3 In the Supplemental Information, the fitted equation Eg = 1.88 − 0.0727 x in Figure S13 is oversimplified, which led to the non-correspondence with x = 0.26 and Eg = 1.86 eV. We have replaced it with a more precise fitted equation Eg = 1.879 − 0.0727 x. The fitted equation and value x = 0.26 in Figure S13 were revised. A revised Supplemental Information file has been provided.These errors have now been fixed online, and the authors apologize for any confusion they may have caused.
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