Luo, Shuangjiang; Liu, Qiang; Zhang, Baohua; Wiegand, Jennifer R.; Freeman, Benny D.; Guo, Ruilan . (2015). Pentiptycene-based polyimides with hierarchically controlled molecular cavity architecture for efficient membrane gas separation. Journal of Membrane Science, 480(), 20–30.
doi:10.1016/j.memsci.2015.01.043