VSe2-reduced graphene oxide as efficient cathode material for field emission

Ratha, Satyajit; Bankar, Prashant K.; Gangan, Abhijeet Sadashiv; More, Mahendra A.; Late, Dattatray J.; Behera, J. N.; Chakraborty, Brahmananda; Rout, Chandra Sekhar

doi:10.1016/j.jpcs.2018.02.020

Cited by 34 publications

(16 citation statements)

References 45 publications

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“…So, we can see that there is substantial reduction in the value of work function which is one of the reasons for improved field emission performance for the UV treated NiCo2O4. Similar reduction in work function is obtained for the case of graphene oxide supported VSe2[52].Oxygen vacancy leading to defects in the structure may be one of the reasons for reduction in the work function.Page 20 of 25 Materials Advances Materials Advances Accepted Manuscript Open Access Article. Published on 01 March 2021.…”

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confidence: 76%

Enrichment of the field emission properties of NiCo₂O₄ nanostructures by UV/ozone treatment

et al. 2021

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supporting

confidence: 76%

Enrichment of the field emission properties of NiCo₂O₄ nanostructures by UV/ozone treatment

et al. 2021

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“…The Ohmic contact and the two‐stage field enhancement together increase the overall field emission performance. A few more recent studies in this domain are cited here and some significant studies are listed in Table .…”

Section: Enhancement (Sources)mentioning

confidence: 99%

Electron Emission Devices for Energy‐Efficient Systems

Nirantar

Ahmed

Bhaskaran

et al. 2019

Advanced Intelligent Systems

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Artificial intelligence platforms, high-speed computation, and data handling systems increasingly need energy-efficient systems. Electron emission was fundamental to the development of transistors and electronics over seven decades ago. This technology has a renewed emergence and includes implications in diverse fields ranging from electronics, telecommunication, defense, space exploration, medical science, and material science to televisions and displays. For such a vital field, a critical review of theories, current research directions, applications, and future prospects is invaluable. Herein, the ongoing research directions adopted to enhance the emitter performance are reviewed and the relative degree of their success is compared. This is supported by an overview of key electron emission, transport mechanisms, and ways to tune a particular mechanism for energy-efficient applications. The diverse range of applications in this field, with a particular focus on electronics, is outlined. Exciting current developments in electron field emission that could revolutionize the electronic industry with a resurgence of nanoscale field emission transistor in the air medium are also discussed. Figure 2. Representation of different electron emission mechanisms: a) Comparison of thermionic emission, Schottky emission, FN tunnelling, and direct tunnelling with schematic energy band diagram. b) Typical thermionic emission plot. c) Typical Schottky plot. (b,c)Reproduced with permission. [3]

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“…Among the TMDs, VSe 2 gained great attention due to its metallic behavior in both 1T and 2H phases . The metallic VSe 2 has high conductivity, exceptional intercalation activity due to the 6.11 Å interlayer spacing, versatile electronic properties and unique charge density wave induced structural instability; these properties make VSe 2 a great candidate as a supercapacitor electrode material …”

Section: Introductionmentioning

confidence: 99%

Two‐Dimensional Layered Metallic VSe₂/SWCNTs/rGO Based Ternary Hybrid Materials for High Performance Energy Storage Applications

Shajahan

Chakraborty

et al. 2020

Chemistry A European J

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In this work, the ternary hybrid structure VSe 2 / SWCNTs/rGO is reported for supercapacitor applications. The ternary composite exhibits ah igh specific capacitance of 450 Fg À1 in as ymmetric cell configuration, with maximum energy density of 131.4 Wh kg À1 and power density of 27.49 kW kg À1 .The ternary hybrid also shows acyclic stability of 91 %a fter 5000 cycles. Extensive density functional theory (DFT) simulations on the structure as well as on the electronic properties of the binary hybrid structure VSe 2 /SWCNTsa nd the ternary hybrid structure VSe 2 /SWCNTs/rGO have been carriedo ut. Due to as ynergic effect, there are enhanced density of states near the Fermi level and higher quantum capacitance for the hybrid ternary structure compared to VSe 2 /SWCNTs, leading to higher energy and powerd ensity for VSe 2 /SWCNTs/rGO, supporting our experimental observation. Computed diffusione nergyb arriero fe lectrolyte ions (K + )p redicts that ions move faster in the ternary structure, providing higherchargestorage performance.[a] K. A. Sree Raj Centre for Nanoa nd MaterialS cience, Jain University Jain global campus,J akkasandra, Ramanagaram, Banglore562112 (India)

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VSe2-reduced graphene oxide as efficient cathode material for field emission

Cited by 34 publications

References 45 publications

Enrichment of the field emission properties of NiCo₂O₄ nanostructures by UV/ozone treatment

Enrichment of the field emission properties of NiCo₂O₄ nanostructures by UV/ozone treatment

Electron Emission Devices for Energy‐Efficient Systems

Two‐Dimensional Layered Metallic VSe₂/SWCNTs/rGO Based Ternary Hybrid Materials for High Performance Energy Storage Applications

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VSe2-reduced graphene oxide as efficient cathode material for field emission

Cited by 34 publications

References 45 publications

Enrichment of the field emission properties of NiCo2O4 nanostructures by UV/ozone treatment

Enrichment of the field emission properties of NiCo2O4 nanostructures by UV/ozone treatment

Electron Emission Devices for Energy‐Efficient Systems

Two‐Dimensional Layered Metallic VSe2/SWCNTs/rGO Based Ternary Hybrid Materials for High Performance Energy Storage Applications

Contact Info

Product

Resources

About

Enrichment of the field emission properties of NiCo₂O₄ nanostructures by UV/ozone treatment

Enrichment of the field emission properties of NiCo₂O₄ nanostructures by UV/ozone treatment

Two‐Dimensional Layered Metallic VSe₂/SWCNTs/rGO Based Ternary Hybrid Materials for High Performance Energy Storage Applications