Fig. 6

EDX analysis showing weight% of different elements present in the suggested sensor before soaking (a) and after soaking (b) in 1.0 × 10−3 mol L−1 Cu(II) solution for one hour at 25 °C.

EDX analysis showing weight% of different elements present in the suggested sensor before soaking (a) and after soaking (b) in 1.0 × 10−3 mol L−1 Cu(II) solution for one hour at 25 °C.