Atomically thin layers of MoS2 via a two step thermal evaporation-exfoliation method
Sivacarendran Balendhran, Jian Zhen Ou, Madhu Bhaskaran, Sharath Sriram, Samuel Ippolito, Zoran Vasic, Eugene Kats, Suresh Bhargava, Serge Zhuiykov, Kourosh Kalantar-zadeh
Nanoscale | ROYAL SOC CHEMISTRY | Published : 2012
Two dimensional molybdenum disulfide (MoS(2)) has recently become of interest to semiconductor and optic industries. However, the current methods for its synthesis require harsh environments that are not compatible with standard fabrication processes. We report on a facile synthesis method of layered MoS(2) using a thermal evaporation technique, which requires modest conditions. In this process, a mixture of MoS(2) and molybdenum dioxide (MoO(2)) is produced by evaporating sulfur powder and molybdenum trioxide (MoO(3)) nano-particles simultaneously. Further annealing in a sulfur-rich environment transforms majority of the excess MoO(2) into layered MoS(2). The deposited MoS(2) is then mechan..View full abstract
Awarded by Australian Research Council
MB and SS acknowledge the Australian Post-Doctoral Fellowships from the Australian Research Council through Discovery Projects DP1092717 and DP110100262, respectively. SS and KKZ acknowledge the Australian Research Council for equipment funding through the Linkage, Infrastructure, Equipment, and Facilities Grant LE100100215. The work was partially supported by the CSIRO Sensors and Sensor Networks Transformational Capability Platform and CSIRO Materials Science and Engineering Division-strategic co-investment SIP6 project "Nano Scale Sensor Networks''.