Abstract
Sensitive sensing of nitroaromatic compounds (NACs) is realized by using luminescent lanthanum-tricarboxytriphenylamine (La-TCA) nanosheets fabricated by a top-down sonication assisted strategy. The accessible Lewis base sites and electron-rich fluorophores on the surface of the La-TCA nanosheets enable them to interact with electron-deficient NACs, delivering multi-responsive behaviours (emission intensity quenching, wavelength red-shift and valley) for hydroxyl group NACs.
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