首页|Theoretical investigations on the nitro-explosive sensing process of a MOF sensor: Roles of hydrogen bond and pi-pi stacking
Theoretical investigations on the nitro-explosive sensing process of a MOF sensor: Roles of hydrogen bond and pi-pi stacking
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NSTL
Elsevier
Hydrogen bond and pi-pi stacking are fundamental weak interactions which play unknown roles during the luminescent sensing processes of MOF sensors. Roles of them are uncovered by studying the nitro-explosive detecting mechanism of a typical MOF-based sensor. Photo-induced electron transfer from the MOF sensor to nitrobenzene is proved to induce the experimentally observed luminescence quenching. Hydrogen bond and pi-pi stacking between the analyte and sensor are proved to induce large orbital overlaps which facilitate the electron transfer process. Two pathways for the electron transfer process are put forward during which hydrogen bond and pi-pi stacking play key roles.
NSTL
Elsevier
