Funding for this research was provided by:
National Natural Science Foundation of China (No. 1464013)
Program for New Century Excellent Talents in University (No. NCET-13-0955)
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 9 February 2017; Accepted 11 May 2017; Accepted Manuscript published 12 May 2017; Advance Article published 23 May 2017; Version of Record published 1 June 2017