Retraction Note: Journal of Electronic Materials (2021) 50:4685-4695 https://doi.org/10.1007/s11664-021-09016-1

The Editor-in-Chief has retracted this article. After publication, concerns were raised that the SEM image in Figure 1b overlaps with that in Figure 1b in [1]. Concerns also were raised about the band gap reported; re-measurement by the authors gave a value significantly different from that originally reported. The Editor-in-Chief no longer has confidence in the results and conclusions presented. All authors disagree with this retraction.