@article{zhao2018hydrophilic,
  title={Hydrophilic/hydrophobic composite shape-shifting structures},
  author={Zhao, Zeang and Kuang, Xiao and Yuan, Chao and Qi, H Jerry and Fang, Daining},
  journal={ACS applied materials \& interfaces},
  volume={10},
  number={23},
  pages={19932--19939},
  year={2018},
  publisher={ACS Publications}
}