Mesoporous MoS2-graphene nanohybrid with excellent electrode activity can be synthesized by the reductive hybridization of exfoliated MoS2 and graphene oxide (G-O) nanosheets under hydrothermal condition. The use of G-O precursor is crucial in synthesizing homogeneously hybridized MoS2-graphene materials with mesoporous stacking structure. The MoS2-graphene nanohybrid prepared with G-O shows promising electrode performance for lithium ion batteries with large discharge capacity of ∼1400 mA h g-1 for the 100th cycle and excellent rate performance, which is much superior to that of the homologue prepared with rG-O precursor and also restacked MoS2 nanosheets. The present results clearly demonstrate the usefulness of G-O precursor in the hydrothermal synthesis of graphene-based hybrid materials.
Bibliographical noteFunding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (No. NRF-2014R1A2A1A10052809 ), by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) ( NRF-2010-C1AAA001-2010-0029065 ). The experiments at Pohang Accelerator Laboratory (PAL) were supported in part by MOST and POSTECH.
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All Science Journal Classification (ASJC) codes
- Chemical Engineering(all)