Retraction: Electrically Excited Plasmonic Ultraviolet Light Sources

Small 2021, 17, 2100819 DOI: 10.1002/smll.202100819 The above article in Small, published online on May 2, 2021 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the journal Editor-in-Chief, José Oliveira, and Wiley-VCH GmbH. The retraction has been agreed following an investigation based on allegations raised by a third party. A detailed investigation revealed image elements (Figure 1c (inset)) were previously published elsewhere in a different scientific context. Furthermore, substantial experimental inconsistencies were found. The conclusions of this article are considered to be invalid. The author disagrees with the retraction.