Plz provide me any article showing PL and Raman results supporting the results of XRD and UV?

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Jürgen Weippert

On what material class?

Robertson Basumatary

2D nanomaterials, For example, Graphene, Borophene, thin films etc. hydrothermally synthesized nanosheets, etc,

For graphene, this might be a starter:

https://store.astm.org/e3220-20.html

For the other materials, the literature is less aggregated, so there is probably no way around digging through a lot of literature.