Dear Sheikh,

see for the first: https://www.researchgate.net/search.Search.html?type=publication&query=graphene%20polymer

and

https://scholar.google.de/scholar?as_ylo=2018&q=graphen+polymer&hl=de&as_sdt=0,5

With best regards :-)

Michael

Graphene has emerged as a subject of enormous scientific interest due to its exceptional electron transport, mechanical properties, and high surface area

https://pubs.acs.org/doi/10.1021/ma100572e