Fig. 4
From: Carbon-doped SnS2 nanostructure as a high-efficiency solar fuel catalyst under visible light

Theoretical energy calculation by DFT. a, b Potential comparative free energy of CO2 adsorption, and dissociation energy on carbon-doped SnS2[C-SnS2 (Cs-s) and 2C-SnS2 (Cs-s: Cint)] with their corresponding model structure (Unit: kcal mol−1)