Polyanilinefilmwaspreparedbyelectrochemicalmethodinanacidicsolutionofaniline.Themicromorphologyofthepolyanilinefilmwastransformedtothree-dimensionalnetworkstructureinsteadoflittleparticleswhilethedepositiontimewasextended.Thepeakwavelengthofthephotoluminescencespectrumwas491nm.Theluminousintensityincreasedwiththeextensionofdepositiontime,andsodidtheelectrochemicalactivity.