Synthesis And Characterizations Of Mixed (Phthalocyaninato) (Porphyrinato) Rare Earth Double-decker Complexes And (Ferrocenyl) Porphyrinato-Phthalocyaninato Complexes | | Posted on:2017-07-20 | Degree:Master | Type:Thesis | | Country:China | Candidate:X B Li | Full Text:PDF | | GTID:2321330512978908 | Subject:Chemistry | | Abstract/Summary: | PDF Full Text Request | | Porphyrins and phthalocyanines containing 18 π electrons are highly conjugated system,which are heterocyclic macromolecular compounds formed by carbon and nitrogen atom.They are very easy to form complexes of the planar structure with transition elements and sandwich complexes with rare earth metals.Wherein the rare earth metal sandwich(Phthalocyaninato)(Porphyrinato)compounds,the strong π-πelectron interaction occurs between the Porphyrinato and Phthalocyaninato macrocycle.So they have unique optical,electromagnetic and thermodynamics properties,making which exhibit a very great potential as optics,molecular magnets,molecular photovoltaic devices and semiconductor materials,et al.First of all,a new series of sandwich mixed porphyrins-phthalocyanine rare earth complexes M(TNOPP)[Pc(SPh)8] {TNOPP=5,10,15,20-tetrakis(4-octyloxy-naphthyl)Porphyrinato,[Pc(SPh)8]= octyl(4,5-phenylthio)-Phthalocyaninato,M =La,Ce,Nd,Eu,Gd,Y,Er,Tm} have been synthesized.This paper describes the properties of compounds by the UV-visable,IR spectra,Fluoresence emission spectra and Electrochemistry.The UV-Vis spectra show that the Q-bands of the phthalocyanine redshift with the increase of F value of solvents due to the polarization rather than the coordination ability of solvents.The infrared spectros show that the vibrations at1317-1324 cm-1 is the marker bands of monoanion radical [Pc(SPh)8]·-,indicating that the unpaired delocalized electrons mainly appears on the phthalocyanine ring rather than the porphyrin ring in the compounds M(TNOPP)[Pc(SPh)8].In the second part,the new(ferrocenyl)porphyrins are prepared and characterized by UV-visable and Infra-red spectra.It should be noted that when introduced into ferrocenyl groups,the absorption of the Soret bands of porphyrin compounds redshifted by the Electronic absorption spectra.After that,the new(ferrocenyl)phthalocyanines are tentatively synthesized. | | Keywords/Search Tags: | Phthalocyanine, Porphyrin, ferrocenyl, Sandwich complexes, UV-vis, Fluoresence spectra, IR spectra | PDF Full Text Request | Related items |
| |
|