π-Stacks of radical-anionic naphthalenediimides in a metal-organic framework
2
•−
and (NDI)
2
2−
dimers are effectively stabilized in DGIST-7 by electron delocalization and spin-pairing as well as dimethylammonium counter cations in their pores. Single-crystal x-ray diffractometry was used to visualize redox-associated structural transformations, such as changes in centroid-to-centroid distance. Moreover, the unusual rapid reduction of oxidized DGIST-7 into the radical anion upon infrared irradiation results in effective and reproducible photothermal conversion. This study successfully illustrated the strategic use of in situ prepared cofacial ligand dimers in MOFs that facilitate the stabilization of radical ions.
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Aleena Tariq, Abdulrahman G. Alhamzani · 2026
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- Published
- Dec 23, 2022
- Vol/Issue
- 8(51)
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