pto4dDownload scientific diagram | XPS spectra of Pt4f in ( a ) PtO 2 ; ( b ) a Pt foil, and ( c ) Pt loaded on Zn-TPPDON-14. from publication: Dye Modification Effects on TaON for PhotocatalyticGass'keun bos ku Di BO PTO4D LINK ?member=cuan999t