Facile synthesis of differently shaped, ultrathin, and aligned graphene flakes without a catalyst for highly efficient field emission

Wang, Fanjie; Lina, Deng; Deng, Jianhua

doi:10.1016/j.apsusc.2015.07.103

Cited by 14 publications

(1 citation statement)

References 49 publications

(64 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Jiang et al reported that VFLG grown on a copper (Cu) substrate had far better field emission characteristics, which had a turn-on electric field of 1.3 V/μm, a threshold field of 3.0 V μm −1 and field-enhancement factor of 1.1 × 10 4 [ 8 ]. Wang et al found that VFLG on a silicon (Si) substrate with a different surface topography results a different shape and further influences its field emission characteristics [ 9 ]. Apparently, VFLG shows different field emission characteristics when grown on various substrates.…”

Section: Introductionmentioning

confidence: 99%

Effects of Substrates on Nucleation, Growth and Electrical Property of Vertical Few-Layer Graphene

et al. 2022

View full text Add to dashboard Cite

A key common problem for vertical few-layer graphene (VFLG) applications in electronic devices is the solution to grow on substrates. In this study, four kinds of substrates (silicon, stainless-steel, quartz and carbon-cloth) were examined to understand the mechanism of the nucleation and growth of VFLG by using the inductively-coupled plasma-enhanced chemical vapor deposition (ICPCVD) method. The theoretical and experimental results show that the initial nucleation of VFLG was influenced by the properties of the substrates. Surface energy and catalysis of substrates had a significant effect on controlling nucleation density and nucleation rate of VFLG at the initial growth stage. The quality of the VFLG sheet rarely had a relationship with this kind of substrate and was prone to being influenced by growth conditions. The characterization of conductivity and field emissions for a single VFLG were examined in order to understand the influence of substrates on the electrical property. The results showed that there was little difference in the conductivity of the VFLG sheet grown on the four substrates, while the interfacial contact resistance of VFLG on the four substrates showed a tremendous difference due to the different properties of said substrates. Therefore, the field emission characterization of the VFLG sheet grown on stainless-steel substrate was the best, with the maximum emission current of 35 µA at a 160 V/μm electrostatic field. This finding highlights the controllable interface of between VFLG and substrates as an important issue for electrical application.

show abstract

Section: Introductionmentioning

confidence: 99%

Effects of Substrates on Nucleation, Growth and Electrical Property of Vertical Few-Layer Graphene

et al. 2022

View full text Add to dashboard Cite

show abstract

Electron Emission Devices for Energy‐Efficient Systems

Nirantar

Ahmed

Bhaskaran

et al. 2019

Advanced Intelligent Systems

View full text Add to dashboard Cite

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]

show abstract

Chromium oxide decorated on carbon materials to tune the electron transport layer (ETL) of perovskite solar cells and X-ray detectors

Mehdi

Liu

Abbas

et al. 2023

Applied Surface Science

View full text Add to dashboard Cite

Facile synthesis of differently shaped, ultrathin, and aligned graphene flakes without a catalyst for highly efficient field emission

Cited by 14 publications

References 49 publications

Effects of Substrates on Nucleation, Growth and Electrical Property of Vertical Few-Layer Graphene

Effects of Substrates on Nucleation, Growth and Electrical Property of Vertical Few-Layer Graphene

Electron Emission Devices for Energy‐Efficient Systems

Chromium oxide decorated on carbon materials to tune the electron transport layer (ETL) of perovskite solar cells and X-ray detectors

Contact Info

Product

Resources

About