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ghadakhedr
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why do we make composites with graphene oxide not with graphene ? if there is a problem to do composite with graphene ?
Graphene is a single layer of carbon atoms arranged in a hexagonal lattice. GO is a derivative of graphene that contains oxygen and other functional groups. This makes it more hydrophilic and easier to process than pure graphene.
GO is used in composite with graphene for solar cells because it can improve the electrical conductivity and stability of the graphene material. This allows for more efficient energy conversion and longer lifespan of the solar cell.
The addition of GO in the composite can improve the light absorption, charge transfer, and charge separation in graphene solar cells. This leads to higher efficiency and stability of the solar cell.
One challenge is the potential for GO to degrade over time and reduce the performance of the solar cell. This can be addressed by carefully controlling the ratio of GO to graphene and using stable GO materials.
Graphene solar cells have the potential to be used in a wide range of applications, including portable electronics, wearable technology, and even large-scale power generation. They are also being explored for use in space and other harsh environments due to their durability and high efficiency.