Liu, Xiong
Yang, Dongliang
Liu, Jiajia
Ren, Na
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
PUBLICATION HISTORY
: Received 3 September 2014; Accepted 10 November 2014; Accepted Manuscript published 11 November 2014; Version of Record published 27 November 2014