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- W2919830342 endingPage "7201" @default.
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- W2919830342 abstract "MoS2 clusters have been grown on a TiO2(110) substrate to provide a model surface for better understanding the adsorbate interactions and chemical activity on titania-supported MoS2 clusters. Scanning tunneling microscopy experiments show that clusters with elongated shapes and flat tops are formed, and the long axes of the clusters have specific orientations with respect to the [001] direction on TiO2(110). In contrast, deposition of Mo in the absence of H2S results in a high density of smaller, round clusters that cover the majority of the surface. The morphologies of the MoS2 clusters do not change after exposure to various gases (D2, CO, O2, H2O, and methanol) in ultrahigh vacuum. However, exposure to higher pressures of O2, H2O, or methanol (10 Torr), as well as exposure to air, causes the clusters to disintegrate as Mo in the clusters becomes oxidized. Temperature-programmed desorption studies with CO on the MoS2 clusters show a distinct desorption peak at 280 K, which is not observed on metallic Mo..." @default.
- W2919830342 created "2019-03-11" @default.
- W2919830342 creator A5001640549 @default.
- W2919830342 creator A5015999553 @default.
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- W2919830342 creator A5048331395 @default.
- W2919830342 creator A5055587415 @default.
- W2919830342 date "2019-03-05" @default.
- W2919830342 modified "2023-09-30" @default.
- W2919830342 title "MoS<sub>2</sub> Nanoclusters Grown on TiO<sub>2</sub>: Evidence for New Adsorption Sites at Edges and Sulfur Vacancies" @default.
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