abstract
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Mn 2+ prefers the Cd-sites having larger number of tightly bounded Cl-ligands. Pure Cd 7 P 4 Cl 6 exhibits n-type conductivity whereas Cd 5.8 Mn 1.2 P 4 Cl 6 exhibits p-type conductivity. The HER activity of Cd 7−y Mn y P 4 Cl 6 is superior to that of pristine Cd 7 P 4 Cl 6 .