Molybdenum disulfide (MoS2) and graphene are pivotal 2D materials, each offering unique properties for advancements in nanoelectronics and energy storage.
By Ibtisam AbbasiReviewed by Lexie CornerUpdated on Nov 26 2024 Two-dimensional materials such as molybdenum disulfide and graphene have become prominent in materials science due to their unique properties and potential applications, particularly in the semiconductor and energy sectors. These materials are increasingly considered alternatives to conventional substances in various industries.
For example, MoS2 monolayers have exhibited strong performance in 5 nm electronic devices. These applications include 2D MoS2-based field-effect transistors, which are used to develop operational amplifiers with an open-loop gain of approximately 36 dB at low frequencies. Additionally, modern MoS2 photodetectors exhibit high efficiency, eliminating the need for complex fabrication methods.4
Energy Storage MoS2 has transformed the energy storage landscape, offering innovative solutions alongside graphene. For example, MoS2-based core-shell structures optimize energy performance by combining a functional core with a protective shell. These structures enhance the electrochemical and catalytic properties of MoS2, making it a viable material for lithium-ion batteries, supercapacitors, and hydrogen evolution reactions.
Researchers have shown that varying the size of MoS2 nanoparticles can adjust their electrical properties for applications such as optical sensors. The synthesis of heterojunction layer structures that combine MoS2 with HfO2 has demonstrated its applicability in nanoscale field-effect transistors. Additionally, strain engineering in monolayer MoS2 enables controlled modification of band gaps and photoluminescence, making it suitable for use in solar cell technologies.
Similarly, humidity sensors based on MoS2 and graphene perform reliably across a relative humidity range of 20–95 %, achieving a recovery time of 6.6 seconds. These sensors are also highly stable and exhibit repeatability under variable conditions.11
Mos2 Graphene Mos2 Vs Graphene 2D Materials Hybrid Mos2-Graphene
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