Journal
DALTON TRANSACTIONS
Volume 41, Issue 34, Pages 10194-10198Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2dt30593c
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Funding
- National Natural Science Foundation of China [21103041, 21103070]
- National Postdoctoral Funding [2011M500786]
- Program for Innovative Research Team in Science and Technology in University of Henan Province (IRTSTHN) [2012 IRTSTHN004]
- Province and Ministry co-building Henan University Funding [SBGJ090512]
- Key Lab Building Project of Henan Province [102300413224]
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NaNbO3 single-crystal films with (100), (110) and (111) oriented crystal planes were grown on LaAlO3 (100), (110) and (111) substrates by pulsed laser deposition. The NaNbO3 films exhibit anisotropy in the photocatalytic oxidization activity for Rhodamine B (RhB) degradation. The increasing order of RhB degradation in Ar atmosphere under full arc irradiation of a Xe lamp is (100) < (110) < (111), which is consistent with that of OH generation. The good linear relationship between the activity of RhB degradation and the coercive electric field indicates that the photocatalytic activity is closely related to the ferroelectric property.
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