A Comparative Study on HCN Polymers Synthesized by Polymerization of NH4CN or Diaminomaleonitrile in Aqueous Media: New Perspectives for Prebiotic Chemistry and Materials Science

The authors used the research facilities of the Centro de Astrobiologia (CAB) and were supported by the Instituto Nacional de Tecnica Aeroespacial “Esteban Terradas” (INTA) and by the Spanish Ministerio de Ciencia, Innovacijn y Universidades ESP2017-89053-C2-2-P. Additionally, the authors are grateful to Ma Teresa Fernandez for recording the FTIR spectra and XRD and Rosana Ramirez for the SEM images. J.C.-G. acknowledges the Ramjn y Cajal contract (RYC-2015-17722).