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\bibitem{Yildiz_etal2021} {\textquotedblleft}\textit{Efficient iron phosphide catalyst as a counter electrode in dye-sensitized solar cells}{\textquotedblright}. Yildiz A, Chouki T, Atli A, Harb M, Verbruggen SW, Ninakanti R, Emin S, ACS applied energy materials \textbf{4}, 10618 (2021).   http://doi.org/10.1021/ACSAEM.1C01628

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