Together with luminescence spectra, X-ray photoelectron spectroscopy (XPS) and electron paramagnetic resonant (EPR), core-shell structure of nanocrystalline ZnO was put forward.

• 结合发光光谱、X射线光电子能谱（XPS）和电子顺磁共振（EPR）结果，提出了核-壳氧化锌（ZnO）结构。