Tetrathiafulvalene-based covalent organic frameworks for ultrahigh iodine capture.

ABSTRACT: To safeguard the development of nuclear energy, practical techniques for capture and storage of radioiodine are of critical importance but remain a significant challenge. Here we report the synergistic effect of physical and chemical adsorption of iodine in tetrathiafulvalene-based covalent organic frameworks (COFs), which can markedly improve both iodine adsorption capacity and adsorption kinetics due to their strong interaction. These functionalized architectures are designed to have high specific surface areas (up to 2359 m² g^-1) for efficient physisorption of iodine, and abundant tetrathiafulvalene functional groups for strong chemisorption of iodine. We demonstrate that these frameworks achieve excellent iodine adsorption capacity (up to 8.19 g g^-1), w

SUBMITTER: Chang J 

PROVIDER: S-EPMC8221174 | biostudies-literature | 2021 May

REPOSITORIES: biostudies-literature