Figure 5From: Time-dependent pH sensing phenomena using CdSe/ZnS quantum dots in EIS structureXPS characteristics of core-shell CdSe/ZnS QDs on SiO 2 /Si substrate. Core-level spectra of (a) Si2p for SiO2, (b) Cd3d for CdSe, (c) Se for CdSe, and (d) Zn2p 3 for ZnS are shown. The core-shell CdSe/ZnS QDs are confirmed.Back to article page