As the thickness of the ZIF−8 shell increased further, a decreasing trend was observed in the SERS enhancement effect towards acetophenone, indicating that the ZIF−8 shell in the nanocomposites directly impacts the detection efficiency of gaseous VOCs.
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Facile Preparation of TiO<sub>2</sub>NTs/Au@MOF Nanocomposites for High-Sensitivity SERS Sensing of Gaseous VOC.
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