Graphene-based nanomaterials are a class of materials derived from graphene or its derivatives, characterized by their unique properties such as high electrical and thermal conductivity, mechanical strength, and large surface area.
Graphene-based nanomaterials address the need for materials with superior electrical, thermal, mechanical, and surface properties that are essential in advanced electronics, biomedicine, and energy storage applications.
These materials work through the combination of graphene's intrinsic properties with other elements or structures to enhance specific functionalities for various applications. For instance, in electronics, graphene can be used as a conductive additive to improve the performance of composites or as a substrate for flexible circuits due to its high conductivity and flexibility.
Manufacturing processes include chemical exfoliation of graphite to produce graphene sheets or reduction of graphene oxide. Other methods involve functionalization of graphene to tailor its properties for specific applications.
The process involves synthesis, purification, and functionalization steps. Synthesis can be done through physical (e.g., mechanical exfoliation) or chemical routes (e.g., reduction of graphene oxide). Purification removes impurities, while functionalization adds functionalities to enhance performance in target applications.
Field units draw low hundreds of watts; fabrication is energy-intensive due to vacuum baking processes required for high-quality graphene production.
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