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Tetradecacobalt(II)‐Containing 36‐Niobate [Co 14 (OH) 16 (H 2 O) 8 Nb 36 O 106 ] 20− and Its Photocatalytic H 2 Evolution Activity
Author(s) -
Niu Jingyang,
Li Fang,
Zhao Junwei,
Ma Pengtao,
Zhang Dongdi,
Bassil Bassem,
Kortz Ulrich,
Wang Jingping
Publication year - 2014
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201402730
Subject(s) - cobalt , hydrothermal circulation , crystallography , irradiation , photocatalysis , materials science , analytical chemistry (journal) , chemistry , nuclear chemistry , inorganic chemistry , physics , catalysis , geology , chromatography , seismology , biochemistry , nuclear physics
A gigantic Co 14 ‐containing 36‐niobate, Na 12 K 8 [Co 14 (OH) 16 (H 2 O) 8 Nb 36 O 106 ] ⋅ 71H 2 O ( 1 ), has been prepared by the hydrothermal method and structurally characterized. Polyanion [Co 14 (OH) 16 (H 2 O) 8 Nb 36 O 106 ] 20− ( 1 a ) comprises a central Co 7 core, surrounded by another seven isolated Co 2+ ions and six Lindqvist‐type (Nb 6 O 19 ) hexaniobate fragments. This is the first example of a high‐nuclear cobalt‐cluster‐containing polyoxoniobate. The photocatalytic H 2 evolution activity of Pt‐loaded 1 was observed in methanol solution under irradiation using a 300 W Xe lamp.