Gao, Wei
Wang, Joseph
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: The Royal Society of Chemistry has an exclusive publication licence for this journal
OPEN ACCESS: The accepted version of this article will be made freely available after a 12 month embargo period
PUBLICATION HISTORY
: Received 6 June 2014; Accepted 30 June 2014; Accepted Manuscript published 3 July 2014; Advance Article published 6 August 2014; Version of Record published 21 August 2014