Additions and corrections

Optimization of photoelectrochemical water splitting performance on hierarchical TiO₂ nanotube arrays

Zhonghai Zhang and Peng Wang

Energy Environ. Sci., 2012, 5, 6505–6512. Amendment published 25^th April 2012.

The acknowledgement section should be included as follows:

Acknowledgements

This work was supported by the KAUST Baseline Fund. Z.Z is grateful for a SABIC Postdoctoral Fellowship.

The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.

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