Thus, the ability to detect ultra-low concentrations of DPA is highly significant because of the unique single-layer two-dimensional structure of the nanosheets, in which DPA can strongly coordinate with each of the Tb( iii ) ions inserted in stable nanosheets and act as an efficient antenna for the fluorescent center.
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Tb(iii)-doped nanosheets as a fluorescent probe for the detection of dipicolinic acid.
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