Field emission from vertically oriented 2D manganese monosulfide sheets derived <i>via</i> a chemical route

Mahajan, Anima; Jha, Menaka; Ghosh, Santanu

doi:10.1039/d3nj05122f

New J. Chem.

2024

DOI: 10.1039/d3nj05122f

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Field emission from vertically oriented 2D manganese monosulfide sheets derived via a chemical route

Anima Mahajan,

Menaka Jha,

Santanu Ghosh

Abstract: Manganese sulfide nanostructure was successfully synthesized by chemical route under optimal circumstances and coated over silicon substrates, and for the first -time field emission experiments on the vertically grown MnS...

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Cited by 4 publications

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Unraveling the Augmented Field Emission Performance of Molybdenum Disulfide‐Praseodymium Sulfide (MoS₂@PrS) Heterostructure: A Combined Experimental and First Principles‐Based Study

Mahajan,

Khan,

Umapathy

et al. 2024

Small

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The molybdenum disulfide‐praseodymium sulfide (MoS2‐PrS) heterojunctions are optimally synthesized through a sophisticated three‐step procedure. Initially, MoS2 rods are synthesized using the micellar route followed by a solid‐state reaction, forming well‐defined structures. Subsequently, PrS nanoparticles are synthesized using the same method. In the final stage, PrS nanoparticles are evenly self‐assembled onto the MoS2 rods to create MoS2‐PrS heterojunctions. This is accomplished using a combination of polyethylene glycol and ethanol as a cohesive substance, assisted by the spin coating process. The MoS2‐PrS heterostructure has exceptional field emission characteristics, with a much lower turn‐on field of 2.6 V µm−1. This is in sharp contrast to the turn‐on fields of 3.5 and 4.3 V µm−1 reported in pure MoS2 and PrS, respectively. The emission current demonstrates remarkable stability at a predetermined value of 6 V µm−1 across 8 h, with variations limited to within ±2% of the mean value. The improved field emission (FE) capability of the MoS2‐PrS heterostructure is attributed to its high enhancement factor (β) of 2.1 × 103. The results highlight the capability of the MoS2‐PrS heterostructure emitter as a promising electron source in vacuum nano/microelectronic systems. Density functional theory calculation on electronic structure is performed to support the experimental results.

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Unraveling the Augmented Field Emission Performance of Molybdenum Disulfide‐Praseodymium Sulfide (MoS₂@PrS) Heterostructure: A Combined Experimental and First Principles‐Based Study

Mahajan,

Khan,

Umapathy

et al. 2024

Small

View full text Add to dashboard Cite

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Nanostructured tungsten trioxide developed from environmentally friendly green process as a promising cathode for excellent field emission

Khan,

Mahajan,

Arora

et al. 2024

Materials Chemistry and Physics

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Growth of vertically aligned carbon nanotube bundles by a cost-effective non-lithographic technique for high-performance field emission electron source

Kumar,

Agarwal,

Srivastava

et al. 2025

Materials Science and Engineering: B

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Field emission from vertically oriented 2D manganese monosulfide sheets derived via a chemical route

Abstract: Manganese sulfide nanostructure was successfully synthesized by chemical route under optimal circumstances and coated over silicon substrates, and for the first -time field emission experiments on the vertically grown MnS...

Cited by 4 publications

References 34 publications

Unraveling the Augmented Field Emission Performance of Molybdenum Disulfide‐Praseodymium Sulfide (MoS₂@PrS) Heterostructure: A Combined Experimental and First Principles‐Based Study

Unraveling the Augmented Field Emission Performance of Molybdenum Disulfide‐Praseodymium Sulfide (MoS₂@PrS) Heterostructure: A Combined Experimental and First Principles‐Based Study

Nanostructured tungsten trioxide developed from environmentally friendly green process as a promising cathode for excellent field emission

Growth of vertically aligned carbon nanotube bundles by a cost-effective non-lithographic technique for high-performance field emission electron source

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Field emission from vertically oriented 2D manganese monosulfide sheets derived via a chemical route

Abstract: Manganese sulfide nanostructure was successfully synthesized by chemical route under optimal circumstances and coated over silicon substrates, and for the first -time field emission experiments on the vertically grown MnS...

Cited by 4 publications

References 34 publications

Unraveling the Augmented Field Emission Performance of Molybdenum Disulfide‐Praseodymium Sulfide (MoS2@PrS) Heterostructure: A Combined Experimental and First Principles‐Based Study

Unraveling the Augmented Field Emission Performance of Molybdenum Disulfide‐Praseodymium Sulfide (MoS2@PrS) Heterostructure: A Combined Experimental and First Principles‐Based Study

Nanostructured tungsten trioxide developed from environmentally friendly green process as a promising cathode for excellent field emission

Growth of vertically aligned carbon nanotube bundles by a cost-effective non-lithographic technique for high-performance field emission electron source

Contact Info

Product

Resources

About

Unraveling the Augmented Field Emission Performance of Molybdenum Disulfide‐Praseodymium Sulfide (MoS₂@PrS) Heterostructure: A Combined Experimental and First Principles‐Based Study

Unraveling the Augmented Field Emission Performance of Molybdenum Disulfide‐Praseodymium Sulfide (MoS₂@PrS) Heterostructure: A Combined Experimental and First Principles‐Based Study