Figure 4From: Synthesis of YVO4:Eu3+/YBO3Heteronanostructures with Enhanced Photoluminescence PropertiesXPS spectra of the YVO4:Eu3+/YBO3heteronanostructures (SR = 1/2) YVO4:Eu3+nanocrystals and YBO3powder in range ofa 135–210 eV andb 495–555 eVBack to article page