The properties of surface nanobubbles formed on different substrates*

Project supported by the National Natural Science Foundation of China (Grant Nos. 11290165, 11305252, and U1532260), the Knowledge Innovation Program of the Chinese Academy of Sciences, China (Grant No. KJZD-EW-M03), and the Key Research Program of Frontier Sciences, Chinese Academy of Sciences, China (Grant No. QYZDJ-SSW-SLH019).

Zou Zheng-Lei1, 3, Quan Nan-Nan1, 3, Wang Xing-Ya3, 4, Wang Shuo2, 4, Zhou Li-Min2, 4, Hu Jun2, Zhang Li-Juan3, †, Dong Ya-Ming1, ‡
       

(color online) The relationship between contact angles of nanobubbles and their lateral widths on different surfaces produced by (a) ethanol–water (E–W) exchange, and (b) 4-°C water method.