?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.synthmet.2019.116186&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=P.&rft.aulast=Kumar&rft.au=Kumar%2C+P.&rft.issn=03796779&rft.atitle=Hybrid+film+of+single-layer+graphene+and+carbon+nanotube+as+transparent+conductive+electrode+for+organic+light+emitting+diode&rft.title=Synthetic+Metals&rft.date=2019&rft.volume=257&rft.genre=article