Seong-Yong Jo, Sung-Wook Jeon, Byeong-Cheon Kim, Jae-Hyun Bae, Fumito Araoka, and Suk-Won Choi*, ACS Appl. Mater. Interfaces 2017, 9, 8941−8947.
http://pubs.acs.org/doi/pdf/10.1021/acsami.7b01502