Figure 7.

Room temperature photoluminescence spectrum of CeO2nanospheres using Ce(NO3)3·6H2O as starting materials. The sample was dispersed in methanol and the excitation wavelength used in PL measurement was 290 nm.

Phokha et al. Nanoscale Research Letters 2012 7:425   doi:10.1186/1556-276X-7-425
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