Liu, Tingting
Tian, Wei
Zhu, Yunqing
Bai, Yang
Yan, Hongxia
Du, Jianzhong
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COPYRIGHT AND LICENSING
: 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 10 April 2014; Accepted 3 May 2014; Accepted Manuscript published 6 May 2014; Advance Article published 9 June 2014; Version of Record published 29 July 2014