4-8 July 2016
Kramer Law building
Africa/Johannesburg timezone
The Proceedings of SAIP2016 published on 24 December 2017
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Density functional theory study of PtS surfaces

Presented by Ms. Mamogo MASENYA on 5 Jul 2016 from 16:10 to 18:00
Type: Poster Presentation
Track: Track A - Division for Physics of Condensed Matter and Materials
Board #: A.143

Abstract

Precious metal sulphides such as PtS and PdS are major compounds occurring in the Pt and Pd ores, and play an important role as catalyst in the petroleum refining industry. In our previous work, the PtS and PdS minerals were investigated using density functional methods within planewave pseudopotential methods and predicted stability of PtS, Pt<sub>12.5</sub>Pd<sub>37.5</sub>S<sub>50</sub> and PdS phases. The current study is based on the surface properties of PtS and their interaction with oxygen and water molecules. It was found that the (010) surface displayed the lowest energy, hence is the most stable. Furthermore, it was observed that the sodium isobutyl xanthate (SIBX) adsorbs stronger on the surface compared to sodium ethyl xanthate (SEX).

Award

Yes

Level

MSc

Supervisor

P.E. Ngoepe, Phuti.Ngoepe@ul.ac.za University of Limpopo

Paper

Yes

Permission

No

Place

Location: Kramer Law building
Address: UCT Middle Campus Cape Town
Room:


Primary authors

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