Vempati S.Ozcan, S.Uyar, Tamer2016-02-082016-02-0820150003-6951http://hdl.handle.net/11693/22536We report on controlling the optoelectronic properties of self-assembled intercalating compound of graphene oxide (GO) and HCl doped polyaniline (PANI). Optical emission and X-ray diffraction studies revealed a secondary doping phenomenon of PANI with -OH and -COOH groups of GO, which essentially arbitrate the intercalation. A control on the polarity and the magnitude of the photoresponse (PR) is harnessed by manipulating the weight ratios of PANI to GO (viz., 1:1.5 and 1:2.2 are abbreviated as PG1.5 and PG2.2, respectively), where ±PR = 100(RDark - RUV-Vis)/RDark and R corresponds to the resistance of the device in dark or UV-Vis illumination. To be precise, the PR from GO, PANI, PG1.5, and PG2.2 are +34%, -111%, -51%, and +58%, respectively.EnglishDoping (additives)IntercalationPolyanilineX ray diffractionDoped polyanilineGraphene oxidesOptical emissionsOptoelectronic propertiesPhotoresponsesSelf-assembledWeight ratiosX-ray diffraction studiesGrapheneArticle10.1063/1.4907260