Funding for this research was provided by:
National Natural Science Foundation of China (51271148 and 50971100)
RELATED DATA
COPYRIGHT AND LICENSING
: The Royal Society of Chemistry has an exclusive publication licence for this journal
PEER REVIEW METHOD
: Single-blind
PUBLICATION HISTORY
: Received 31 August 2016; Accepted 26 October 2016; Accepted Manuscript published 27 October 2016; Advance Article published 7 November 2016; Version of Record published 15 November 2016