Epitaxial Graphene on Silicon Carbide as a Tailorable Metal–Semiconductor Interface

Krieger, Michael; Weber, Heiko B.

doi:10.1002/9783527824724.ch10

Cited by 2 publications

(1 citation statement)

References 62 publications

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“…The production of highly ordered and clean epitaxial graphene films can be credited to the very high annealing temperature (<1400 °C) and high Ar pressure. An additional benefit of this technique over other bottom-up techniques such as CVD is the non-existence of the requirement to transfer graphene to other substrates, providing the ability to produce, with ease, electronic devices such as radio frequency (RF) transistors, field effect transistors (FET), integrated circuits (IC), and sensors directly on semiconducting or semi-insulating SiC [ 91 , 92 , 93 ]. Graphene synthesis on the SiC substrate (6H- and 4H-SiC) has been frequently used; however, achieving larger graphene areas with consistent thickness in a controlled manner continues to be an immense challenge.…”

Section: Graphene Synthesismentioning

confidence: 99%

Graphene Synthesis Techniques and Environmental Applications

Abbas

Shinde²,

Abdelkareem³

et al. 2022

Materials

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Graphene is fundamentally a two-dimensional material with extraordinary optical, thermal, mechanical, and electrical characteristics. It has a versatile surface chemistry and large surface area. It is a carbon nanomaterial, which comprises sp2 hybridized carbon atoms placed in a hexagonal lattice with one-atom thickness, giving it a two-dimensional structure. A large number of synthesis techniques including epitaxial growth, liquid phase exfoliation, electrochemical exfoliation, mechanical exfoliation, and chemical vapor deposition are used for the synthesis of graphene. Graphene prepared using different techniques can have a number of benefits and deficiencies depending on its application. This study provides a summary of graphene preparation techniques and critically assesses the use of graphene, its derivates, and composites in environmental applications. These applications include the use of graphene as membrane material for the detoxication and purification of water, active material for gas sensing, heavy metal ions detection, and CO2 conversion. Furthermore, a trend analysis of both synthesis techniques and environmental applications of graphene has been performed by extracting and analyzing Scopus data from the past ten years. Finally, conclusions and outlook are provided to address the residual challenges related to the synthesis of the material and its use for environmental applications.

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Section: Graphene Synthesismentioning

confidence: 99%