Thesis

Hydrothermal synthesis of pyrite phase thin films

The pyrite phase of iron disulfide (FeS2) has attracted interest as a visible light absorption layer for photovoltaic cells because of its low band gap and large absorption coefficient. A one-step hydrothermal approach was employed to synthesize pyrite thin films for solar applications. X-ray diffraction and scanning electron microscopy were used to characterize the films and confirm the presence of the pyrite phase. Films consisting of primarily the pyrite phase were synthesized, although crystal growth and surface roughness were difficult to control.

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