Nanostructured porous graphene and its composites for energy storage applications

Ferrer, Pablos Ramos; Mace, Annsley; Thomas, Samantha N.; Jeon, Ju‐Won

doi:10.1186/s40580-017-0123-0

Cited by 36 publications

(19 citation statements)

References 153 publications

(322 reference statements)

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“…Graphene is a single layer honeycomb structure of carbon lattice [ 1 ] with many interesting behavior and characteristics [ 2 ]. It is considered the most promising material for engineering design due to its extraordinary electrical, mechanical, and chemical properties [ 3 , 4 , 5 ]. Since 2004, the exfoliation of single-layer graphene [ 6 ] has been investigated and explored in every field of science.…”

Section: Introductionmentioning

confidence: 99%

A Review on Graphene-Based Light Emitting Functional Devices

et al. 2020

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In recent years, the field of nanophotonics has progressively developed. However, constant demand for the development of new light source still exists at the nanometric scale. Light emissions from graphene-based active materials can provide a leading platform for the development of two dimensional (2-D), flexible, thin, and robust light-emitting sources. The exceptional structure of Dirac’s electrons in graphene, massless fermions, and the linear dispersion relationship with ultra-wideband plasmon and tunable surface polarities allows numerous applications in optoelectronics and plasmonics. In this article, we present a comprehensive review of recent developments in graphene-based light-emitting devices. Light emissions from graphene-based devices have been evaluated with different aspects, such as thermal emission, electroluminescence, and plasmons assisted emission. Theoretical investigations, along with experimental demonstration in the development of graphene-based light-emitting devices, have also been reviewed and discussed. Moreover, the graphene-based light-emitting devices are also addressed from the perspective of future applications, such as optical modulators, optical interconnects, and optical sensing. Finally, this review provides a comprehensive discussion on current technological issues and challenges related to the potential applications of emerging graphene-based light-emitting devices.

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Section: Introductionmentioning

confidence: 99%

A Review on Graphene-Based Light Emitting Functional Devices

et al. 2020

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“…As a result, materials are deposited selectively on chemically active regions such as line defects . In recent years, graphene composites have been actively investigated for many applications. , Graphene–metal composites with metals such as Ru and Pt, acquired by selective deposition, have demonstrated that the electrical properties of graphene are improved. Hydrogen detector applications are also feasible.…”

Section: Introductionmentioning

confidence: 99%

Atomic Layer Deposition of Nickel Using a Heteroleptic Ni Precursor with NH₃ and Selective Deposition on Defects of Graphene

et al. 2019

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Atomic layer deposition (ALD) of Ni was demonstrated by introducing a novel oxygen-free heteroleptic Ni precursor, (η 3 -cyclohexenyl)(η 5 -cyclopentadienyl)nickel(II) [Ni(Chex)(Cp)]. For this process, non-oxygen-containing reactants (NH 3 and H 2 molecules) were used within a deposition temperature range of 320–340 °C. Typical ALD growth behavior was confirmed at 340 °C with a self-limiting growth rate of 1.1 Å/cycle. Furthermore, a postannealing process was carried out in a H 2 ambient environment to improve the quality of the as-deposited Ni film. As a result, a high-quality Ni film with a substantially low resistivity (44.9 μΩcm) was obtained, owing to the high purity and excellent crystallinity. Finally, this Ni ALD process was also performed on a graphene surface. Selective deposition of Ni on defects of graphene was confirmed by transmission electron microscopy and atomic force microscopy analyses with a low growth rate (∼0.27 Å/cycle). This unique method can be further used to fabricate two-dimensional functional materials for several potential applications.

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“…The pores in graphene can be classified as microporous (<2 nm), mesoporous (2–50 nm), and macroporous (>50 nm) according to the definition by International Union of Pure and Applied Chemistry (IUPAC). 46,47 In the following section, these synthesis methods are discussed in detail.…”

Section: Synthesis Of Holey Graphenementioning

confidence: 99%