Misinterpreted Anomalous Electron Doping in CdS via Ag Substitution for Cd

In conclusion, the authors’ claim of an anomalous increase in n-type conductivity in CdS due to Ag doping lacks substantial evidence, highlighted by the inconsistencies and misinterpretations in their analyses. This reevaluation challenges the proposed role of AgCd deep acceptor and the elimination of VCd, suggesting that Ag doping may actually reduce n-type conductivity in CdS. These discrepancies underscore the need for a more thorough investigation to accurately determine the effects of Ag doping on the CdS conductivity characteristics.