Bulk and transparent supramolecular glass from evaporation-induced noncovalent polymerization of nucleosides
Shuanggen Wu, Changyong Cai, Xunqiu Wang, Qiao Zhang, Zhijian Tan, Fenfang Li, Shengyi Dong
Abstract
the non-covalent polymerization of nucleosides. Hydrogen bonding is the main driving force in the formation of bulk supramolecular glasses. The directional and saturated character of hydrogen bonding enables the formation of a short-range ordered structure, while the weak nature and reversibility of hydrogen bonds allow for the asymmetric and random connections of the short-range ordered structure into a long-range disordered network. Various relaxations, including β, γ, and δ relaxations, are observed at temperatures below the glass transition temperature, demonstrating the metastable nature of bulk supramolecular glasses. This investigation offers supramolecular insights into the nature of glass materials.