CORREA, D. S.

PAVINATTO, A.

Repository Open Access to Scientific Information from Embrapa

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Resultados e Discussão2FUHVFLPHQWRGRV¿OPHVIRLDFRPSDQKDGRSRUHVSHFWURVFRSLDQDUHJLmRGR899LVDWUDYpVGHPHGLGDVGRDXPHQWRGDDEVRUEkQFLDHPIXQomRGRQ~PHURGHELFDPDGDVGHSRVLWDGDV$)LJXUD$PRVWUDRVHVSHFWURVREWLGRVSDUDRV¿OPHVDXWRPRQWDGRVIRUPDGRVSRUDELFDPDGDVGH4XL)W$WUDYpVGRPRQLWRUDPHQWRGDVEDQ-GDVHPQPDWULEXtGDDDEVRUomRGRiWRPRGHFREUH±HHPQPQPHQPDWULEXtGDVDWUDQVLo}HVHOHWU{QLFDVʌʌGHHOpWURQVGRLQWHULRUHH[WHULRUGRDQHOIRLSRVVtYHOYHUL¿FDUXPDGHSHQGrQFLDOLQHDUGDDEVRU-omRFRPRQ~PHURGHELFDPDGDVGHSRVLWDGDV)LJ%LQGLFDQGRXPFUHVFLPHQWRXQLIRUPHGRV¿OPHVSROLPpULFRVVREUHRVXEVWUDWR2PHVPRFRPSRUWDPHQWROLQHDUGHFUHVFLPHQWRIRLREVHUYDGRSDUDRV¿OPHV4XL3HGRW366200 400 600 800 10000,20,30,40,50,60,70,8  AbsorbânciaComprimento de onda (nm) 0 1 bicamada 2 bicamadas 3 bicamadas 4 bicamadas 5 bicamadas 6 bicamadas 7 bicamadas697620332226-1 0 1 2 3 4 5 6 7 80,20,30,40,50,60,70,8   225 nm 333 nm 617 nm 691 nmAbsorbânciaNúmero de bicamadas $ %)LJXUD(VSHFWURGHDEVRUomRQDUHJLmRGR899LVSDUDGLIHUHQWHVQ~PHURVGHELFDPDGDVGRV¿OPHVGH4XL)W$HYDULDomRGDDEVRUomRHPIXQomRGRQ~PHURGHELFDPDGDVPRVWUDQGRRFRPSRUWDPHQWROLQHDU5 %2HVSHFWURGHLQIUDYHUPHOKRSDUDR¿OPH4XL3('27366pPRVWUDGRQD)LJXUDDSUHVHQWDQGRDVEDQ-GDVGHWUDQVPLVVmRFDUDFWHUtVWLFDVGR3('27366HPFP& &FP&&FP62Hcm&6UHIHUHQWHVDVOLJDo}HVGRDQHOWLRIrQLFRHQTXDQWRTXHDEDQGDVHPFPHFPVmRUHIHUHQWHVDRHVWLUDPHQWRGDOLJDomR&2&QRJUXSRGLR[LHWLOHQR2HVSHFWURWDPEpPDSUHVHQWDXPDLQWHQVDEDQGDHPcmUHIHUHQWHjGHIRUPDomRDQJXODU1+GHDPLGD,,GDTXLWRVDQDFRPSURYDQGRDSUHVHQoDGHDPERVRVPDWHULDLVQR¿OPH2HVSHFWURQDUHJLmRGRLQIUDYHUPHOKRSDUDR¿OPHGH4XL)WWDPEpPDSUHVHQWRXDVEDQGDVGHWUDQVPLV-VmRFDUDFWHUtVWLFDGRVPDWHULDLVIRUPDGRUHVGR¿OPHsiagro-2014.indb   412 16/12/14   18:30FILMES NANOESTRUTURADOS CONTENDO QUITOSANA PARA APLICAÇÃO COMO… 4134000 3500 3000 2500 2000 1500 1000 500 118013021515  Pedot Qui/Pedot:PSS QuitosanaNúmero de onda ( cm-1)Trasmitância15851081978 837 )LJXUD(VSHFWURQRLQIUDYHUPHOKRSDUDR¿OPHGHTXLWRVDQD3HGRWH4XL3HGRW366FRPELFDPDGDV$VLPDJHQVGH$)0GRV¿OPHVFRPELFDPDGDVVmRPRVWUDGDVQD)LJXUD2YDORUGDUXJRVLGDGH5PVGRV¿OPHVFUHVFHFRQIRUPHRQ~PHURGHELFDPDGDVVHQGRTXHSDUDDVPLFURJUD¿DVPRVWUDGDVRVYDORUHVVmRQPHQPSDUD4XL3HGRW366H4XL)WUHVSHFWLYDPHQWH8PPDLRUYDORUGHUXJRVLGDGHLPSOLFDHPXPDXPHQWRQDiUHDVXSHU¿FLDOIDFLOLWDQGRDDQFRUDJHPGHELRPROpFXODVHDXPHQWDQGRDLQWHUDomRGDVXSHUItFLHFRPDDQDOLWRDVVLPRVUHVXOWDGRVVXJHUHPTXHRV¿OPHVIRUPDGRVSRU4XL)WVmRPDLVIDYRUiYHLVjLPRELOL]DomRGHELRPROpFXODVQDIRUPDomRGHELRVVHQVRU3RURXWURODGRFiOFXORVGHHQHUJLDGHVXSHUItFLHPRVWUDPTXHDVHVWUXWX-UDV4XL3HGRW366H4XL)WWHPHQHUJLDVXSHU¿FLDOVHPHOKDQWHVXJHULQGRVHULJXDOPHQWHIDYRUiYHLVDDGVRUomRGHELRPROpFXODV$VLPDJHQVGHPLFURVFRSLDHOHWU{QLFDGHYDUUHGXUDGHVVHV¿OPHVPRVWUDUDPDIRUPDomRGH¿OPHVKRPRJrQHRVUHVXOWDGRVQmRPRVWUDGRV  $ %)LJXUD0LFURJUD¿DVGHIRUoDDW{PLFDSDUDRV¿OPHVGH4XL3HGRW366$H4XL)W%FRPELFDPDGDV$)LJXUDPRVWUDYROWDPRJUDPDVFtFOLFRVIHLWRVQRHOHWURGRIRUPDGRSHODDUTXLWHWXUD4XL)WFRPHELFDPDGDV2GHFDLPHQWRGDFRUUHQWHHPIXQomRGRQ~PHURGHFLFORVLQGLFDLQVWDELOLGDGHGRV¿OPHVDXWRPRQWD-GRVHYLGHQFLDQGRTXHRVFRPSRQHQWHVQmRHVWmRIRUWHPHQWHLPRELOL]DGRVQDVXSHUItFLHGRHOHWURGR2¿OPHIRU-PDGRSRUELFDPDGDVDSUHVHQWDSHTXHQRGHFDLPHQWRQDFRUUHQWHHPIXQomRGRVFLFORV)LJ$SULQFLSDOPHQWHVHFRPSDUDGRDR¿OPHVIRUPDGRSRUELFDPDGDV)LJ%$VVLPRVYROWDPRJUDPDVLQGLFDPPDLRUHVWDELOLGDGHGRV¿OPHVFRPELFDPDGDVTXHVHPRVWUDPPDLV IRUWHPHQWHDGHULGRVDRHOHWURGRHSRUWDQWRPDLVHVWiYHLV&RPSRUWDPHQWRVHPHOKDQWHIRLREVHUYDGRFRPRV¿OPHVIRUPDGRVSRUELFDPDGDV -0,6 -0,4 -0,2 0,0 0,2 0,4 0,6 0,8 1,0 1,2-12-10-8-6-4-202 5 bicamadas E/V (vs. Ag/AgCl) 2 3 4 5 6 7 8 9 10 -0,6 -0,4 -0,2 0,0 0,2 0,4 0,6 0,8 1,0 1,2 1,4-10-505107 bicamadas  E/V (vs. Ag/AgCl) 2 3 4 5 6 7 8 9 10 $ %)LJXUD(VWDELOLGDGHGRVHOHWURGRV4XL)WFRP$H%ELFDPDGDVYROWDPRJUDPDVFRPFLFORVRSULPHLURFLFORIRLGHVFDUWDGRYHORFLGDGHGHYDUUHGXUDP9VHOHWUyOLWRWDPSmRIRVIDWRS+ siagro-2014.indb   413 16/12/14   18:30A. 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Filmes nanoestruturados contendo quitosana para aplicação como plataforma de biossensor eletroquímico.

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