2D polymer (IMAGE) National Institutes of Natural Sciences Caption Fig. 1. A 2D honeycomb lattice structure of a radical-based coordination polymer, trisZn, constructed from trisPyM and Zn(hfac)<sub>2</sub>. Photoluminescence from trisZn is shown. Credit NINS/IMS Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.