摘要
Retraction to:Science China Technological Sciences, 2011, 54: 2327–2338 https://doi.org/10.1007/s11431-011-4440-y The Journal Editorial Office has retracted this article because it significantly overlaps with a number of articles including those that were under consideration at the same time[1] and previously published [2–5].Additionally, there appears to be partial image overlap between panels within Figure 7 and with other publications by the same authors [1,5–7]. These SEM images are supposed to represent different materials and conditions.
