Funding for this research was provided by:
China Postdoctoral Science Foundation (2014M550621)
IDENTIFIERS
COPYRIGHT AND LICENSING
: The Royal Society of Chemistry has an exclusive publication licence for this journal
PEER REVIEW METHOD
: Single-blind
PUBLICATION HISTORY
: Received 24 January 2017; Accepted 7 March 2017; Advance Article published 21 March 2017; Version of Record published 2 May 2017