We report the synthesis and photocatalytic activity of CaZnGe_2O_6, which contains Ca~(2+) ions and one-dimensional GeO_4 chains (Ge~(4+): d~(10) electronic configuration). This sample demonstrated the water splitting phenomenon by loading with RuO_2 cocatalysis. Moreover, Ln-doped CaZnGe_2O_6 (where Ln = La, Ce, Pr, Nd, or Sm) shows a higher photocatalytic activity than CaZnGe_2O_6.
photocatalystwater splittingd~(10) electron configurationone-dimensional structureCaZnGe_2O_6
Hirotoshi Hatakeyama、Yousuke Narumi、Kazuyoshi Uematsu、Tadashi Ishigaki、Kenji Toda、Mineo Sato
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Graduate School of Science and Technology, Niigata University, 8050 Ikarashi 2-nocho, Niigata 950-2181, Japan
Department of Chemistry and Chemical Engineering, Niigata University, 8050 Ikarashi 2-nocho, Niigata 950-2181, Japan
Center for Transdisciplinary Research, Niigata University, 8050 Ikarashi 2-nocho, Niigata 950-2181, Japan
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