Funding for this research was provided by:
Ministry of Science and Technology of the People's Republic of China (2014CB932200)
National Natural Science Foundation of China (21304022, 21374024, 21474027)
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 1 April 2015; Accepted 8 May 2015; Accepted Manuscript published 11 May 2015; Advance Article published 27 May 2015; Version of Record published 23 June 2015