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Chemistry

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Dissertations and Theses

Theses/Dissertations

2015

Infrared spectroscopy

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The Influence Of Surface Chemistry On The Photoelectrochemical Properties Of Fes(2) Photoanodes, Qi Tong Aug 2015

The Influence Of Surface Chemistry On The Photoelectrochemical Properties Of Fes(2) Photoanodes, Qi Tong

Dissertations and Theses

The recurring theme of this dissertation is the correlation between FeS2 surface chemistry and key electrical and electronic properties of FeS2. Efforts have been made to identify and characterize the FeS2 surface, investigate the photoelectrochemistry of FeS2 photoanodes under anhydrous and anoxic conditions, and investigate the influence of deliberate surface chemistry on FeS2 photoelectrochemistry.

Infrared reflection-absorption spectroscopy (IRRAS) was used to investigate a thin adsorbate layer on pyrite. The results showed that the combination of angle-dependent studies and computational efforts are a powerful tool for characterizing the pyrite surface.

The photoelectrochemistry of FeS2 …