| AVS 59th Annual International Symposium and Exhibition | |
| Surface Science | Wednesday Sessions |
| Session SS-WeA |
| Session: | Catalysis on Metals and Alloys |
| Presenter: | D.Z. Sun, University of California Riverside |
| Authors: | D.Z. Sun, University of California Riverside W.H. Lu, University of California Riverside D. Le, University of Central Florida Q. Ma, University of California Riverside M. Amanpour, University of Central Florida S. Bobek, University of California Riverside J. Mann, University of California Riverside T. Raman, University of Central Florida L. Bartels, University of California Riverside |
| Correspondent: | Click to Email |
MoS2 is a semiconducting material consisting of sulfur-molybenum-sulfur tripledecker layers loosely bound by van der Waals interactions. Single layer MoS2 can be exfoliated mechanically similar to graphene. This presentation shows an alternative avenue for the fabrication of MoS2 monolayers at comparatively low temperature and mild conditions through sulfur loading of a copper substrate using thiophenol followed by the evaporation of Mo atoms and annealing. Here we also demonstrate that another MoSx structure can be formed in this fashion, which has a far higher affinity to adsorbate interaction. Using anthraquinone and formic acid as test molecules, we titrate the various MoSx and copper-based structures presented on our substrate in order to determine the relative strength of adsorbate interaction.