Erratum: Production of Quasi-2D Platelets of Nonlayered Iron Pyrite (FeS₂) by Liquid-Phase Exfoliation for High Performance Battery Electrodes (ACS Nano (2020) 14:10 (13418-13432) DOI: 10.1021/acsnano.0c05292)

The authors regret that a small error was made in an equation in the original article. On page 13422 of the original article, eq 3 was originally published as {equation presented} In the published article, we had used this equation to fit the experimental data for the O/Fe atomic ratio versus the nanosheet length presented in Figure 3G,H. The fitting yielded values for the areal density of oxygen on the nanosheet surface, (N/A)O, after 2 and 14 days to be 6 × 1018 m-2 and 14 × 1018 m-2. Because this second value is identical to the expected dangling bond density of 14 × 1018 m-2, we concluded that the nanoplatelets had been fully passivated after 14 days. However, the numerator in the above equation contains a typographical error. The correct eq 3 is {equation presented} We have fit this corrected equation to the experimental data given in the paper in Figure 3G,H. Combining these fits with the expected value of (N/V)Fe = 2.54 × 1028 m-3 and measured aspect ratios (k1 = 1.5 and k2 = 4.5, as measured in the article) enables us to estimate correct values of (N/A)O after 2 and 14 days, respectively, to be 3 × 1018 m-2 and 8 × 1018 m-2. This second value is slightly lower than the expected dangling bond density of 14 × 1018 m-2, indicating that the nanoplatelets have not been fully passivated after 14 days. Although this typo changes the details of our result, it does not greatly affect the broader picture of our article. The main change is that we now believe full passivation will take greater than 14 days, although we expect the nanoplatelets to become fully passivated eventually. The authors would like to apologize to the readers of the original article for any inconvenience caused by these errors.