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. 2026 May 12;16(27):24675–24688. doi: 10.1039/d6ra01082b

Table 4. Binding energy of Rb 3d, Sn 3d, Cl 2p and C 1s among Rb2SnCl6 double perovskite nanocrystala.

Binding energy (eV)
Rb 3d Sn 3d Cl 2p C 1s
3d3/2 3d5/2 3d3/2 3d5/2 2p1/2 2p3/2 1s
111.38 110.08 495.48 487.08 200.18 198.58 284.80
ΔE = 1.3 ΔE = 8.4 ΔE = 1.6 ND
a

ND: energy difference is not defined for singular peak of 1s spin orbit.