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Enhanced Photocatalytic Hydrogen Generation Using Polymorphic Macroporous TaON
Author(s) -
Tsang MinYing,
Pridmore Natalie E.,
Gillie Lisa J.,
Chou YiHsin,
Brydson Rik,
Douthwaite Richard E.
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201201193
Subject(s) - materials science , photocatalysis , polymer , hydrogen , nanotechnology , chemical engineering , organic chemistry , catalysis , chemistry , engineering , composite material
Macroporous TaON ( mac ‐TaON) is prepared using polymer sphere templating and controlled ammonolysis. In contrast to typical powder synthesis, which gives the β polymorph, mac ‐TaON is a mixture of β and γ polymorphs. mac ‐TaON shows twice the activity for photocatalytic hydrogen generation in comparison to mac ‐TaON when normalised for surface area.