Fluorinated Vs. Non-fluorinated Tetrahedral Tri4Tri4 Porous Organic Cages for H2, CO2, and CH4 AdsorptionTim David & Robert Oestreich & Tobias Pausch & Yuki Wada & Tom Fleck-Kunde & Masaki Kawano & Christoph Janiak & Bernd M. SchmidtPDF1.7 MBEN