Abstract
The aim of this study was to investigate the photocatalytic properties of tetragonal cadmium germanium diphosphide. In order to achieve this, stability probe and a careful examination of the surface properties is crucial. From our analysis done using the first principle technique, this ternary compound displays structural, mechanical and vibrational stability based on its cohesive energy, elastic constants and phonon dispersion. Moreover, from the values of the computed band edge positions that were obtained using both the Mulliken and band gap center techniques, the ternary CdGeP2 is able to straddle the water redox potential. Thus, it shows the viability to split water into hydrogen and oxygen, resulting in clean energy generation. Hence, this study provides a worthwhile undertaking towards solving the impending energy crisis through the identification, characterization and optimization of materials that are exceptional for artificial photocatalytic applications.
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