Three gas-phase molecules react at high temperatures during chemical vapor deposition to form molybdenum disulfide, a two-dimensional semiconductor that could find use in next-generation electronics. In this illustration, molybdenum atoms are purple, oxygen is red and sulfur is yellow. Illustration by Jincheng Lei
Three gas-phase molecules react at high temperatures during chemical vapor deposition to form molybdenum disulfide, a two-dimensional semiconductor that could find use in next-generation electronics. In this illustration, molybdenum atoms are purple, oxygen is red and sulfur is yellow. Illustration by Jincheng Lei - Simulations could help molecular engineers enhance creation of semiconducting nanomaterials Scientific studies describing the most basic processes often have the greatest impact in the long run. A new work by Rice University engineers could be one such, and it's a gas, gas, gas for nanomaterials. Rice materials theorist Boris Yakobson , graduate student Jincheng Lei and alumnus Yu Xie of Rice's Brown School of Engineering have unveiled how a popular 2D material, molybdenum disulfide (MoS2), flashes into existence during chemical vapor deposition (CVD). An animation by Rice University engineers shows the incorporation of MoS6 into a crystal lattice of molybdenum disulfide. (Credit: Yakobson Research Group/Rice University) Knowing how the process works will give scientists and engineers a way to optimize the bulk manufacture of MoS2 and other valuable materials classed as transition metal dichalcogenides (TMDs), semiconducting crystals that are good bets to find a home in next-generation electronics.
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