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  • Title: A time-dependent density functional theory study on the effect of electronic excited-state hydrogen bonding on luminescent MOFs.
    Author: Ji M, Hao C, Wang D, Li H, Qiu J.
    Journal: Dalton Trans; 2013 Mar 14; 42(10):3464-70. PubMed ID: 23263521.
    Abstract:
    We have investigated a new silver-based luminescent metal-organic framework (MOF) using density functional theory and time-dependent density functional theory methods. We theoretically demonstrated that the H...O hydrogen bond is strengthened and the Ag-O coordination bond is shortened significantly due to strengthening of the hydrogen bond in the S(1) state. When the hydrogen bond is formed, the mechanism of luminescence changes from a ligand-to-metal charge transfer (LMCT) coupled with intraligand charge transfer (LLCT) to LMCT, and the luminescence is found to be enhanced.
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