APL Mater. 7, 111102 (2019); https://doi.org/10.1063/1.5122017 7, 111102 © 2019 Author(s). Zwitterion –conjugated network polymer based on guanidinium and -ketoenol as a heterogeneous organo-catalyst for chemical fixation of CO 2 into cyclic carbonates Cite as: APL Mater. 7, 111102 (2019); https://doi.org/10.1063/1.5122017 Submitted: 29 July 2019 • Accepted: 06 October 2019 • Published Online: 01 November 2019 Mousumi Garai, Vepa Rozyyev, Zakir Ullah, et al. COLLECTIONS Paper published as part of the special topic on Open Framework Materials for Energy Applications ARTICLES YOU MAY BE INTERESTED IN Ferroelectric properties of ion-irradiated bismuth ferrite layers grown via molecular-beam epitaxy APL Materials 7, 111101 (2019); https://doi.org/10.1063/1.5125809 Analysis by synchrotron X-ray scattering of the kinetics of formation of an Fe-based metal- organic framework with high CO 2 adsorption APL Materials 7, 111104 (2019); https://doi.org/10.1063/1.5121644 Exploitation of missing linker in Zr-based metal-organic framework as the catalyst support for selective oxidation of benzyl alcohol APL Materials 7, 111109 (2019); https://doi.org/10.1063/1.5126077