Funding for this research was provided by:
National Natural Science Foundation of China (No. 21376026)
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IDENTIFIERS
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
PEER REVIEW METHOD
: Single-blind
PUBLICATION HISTORY
: Received 23 March 2016; Accepted 26 June 2016; Accepted Manuscript published 28 June 2016; Version of Record published 5 July 2016