Table 1 Chemical constitution (at. %) of the particles in Fig. 3(a) by EDS analysis.

From: Mechanism of superior luminescent and high-efficiency photocatalytic properties of Eu-doped calcium aluminate by low-cost self-propagating combustion synthesis technique

spot

Ca

Al

O

Eu

1

12.760

28.701

58.439

0.099

2

9.949

27.606

62.788

0.114

3

81.335

4.782

13.882

0.000