Figure 4.

(a) Synthesis of quantum dots embedded imprinted membranes and (b) scanning electron microscope images of paper and quantum dots based ion-imprinted polymers: (A) the bare, (B) quantum dots grafted on the glass fiber, (C) quantum dots; (D) ion-imprinted polymer; (E) ion-imprinted polymer bonded with the quantum dots; (F) ion-imprinted polymer and quantum dots bound on the glass fiber. Republished with permission from [108,110]; permission conveyed through the Copyright Clearance Center, Inc.