Janus Membranes: Creating Asymmetry for Energy Efficiency Yang, Hao-Cheng ; Xie, Yunsong ; Hou, Jingwei ; Cheetham, Anthony K. ; Chen, Vicki ; Darling, Seth B. Abstract Publication: Advanced Materials Pub Date: October 2018 DOI: 10.1002/adma.201801495 Bibcode: 2018AdM....3001495Y