
The journal is being targeted by Chinese paper mill(s)
Concerns are raised regarding the reference patterns on several publications coauthored by Said Khalfa Brika, who is with University of Bisha, Saudi Arabia.
A recent investigation raises concerns regarding data on multiple articles co-authored by ZHANG Yifeng (张翼峰), with Technical University of Denmark.
Concern is raised regarding the potential author-editor conflict of interest on the article
Abnormal absorption spectra and incorrect Tauc Plots are observed in Figure 3 of the article