Qhov sib txawv tseem ceeb ntawm phthalocyanine thiab porphyrin yog cov phthalocyanine molecules muaj plaub lub indole units los yog pyrrole rings txuas los ntawm nitrogen atoms uas yog conjugated nrog benzene rings, whereas porphyrin molecules muaj plaub pyrrole rings txuas los ntawm methane carbon choj.
Phthalocyanine lossis H2Pc yog qhov loj, muaj ntxhiab, macrocyclic organic compound muaj cov mis (C8H4N2)4H2. Porphyrin compounds yog conjugate acids ntawm ligands uas tuaj yeem khi nrog cov hlau tsim cov complexes.
Phthalocyanine yog dab tsi?
Phthalocyanine lossis H2Pc yog qhov loj, muaj ntxhiab, macrocyclic organic compound muaj cov mis (C8H4N2)4H2. Nws muaj theoretical thiab tshwj xeeb nyiam nyob rau hauv tshuaj dyes thiab photoelectricity. Cov khoom no muaj plaub lub isoindole units uas txuas rau ib leeg los ntawm lub nplhaib ntawm nitrogen atoms. Qhov sib xyaw no muaj ob-dimensional geometry thiab lub nplhaib uas muaj 18 pi electrons. Muaj ntau delocalization ntawm pi electrons, uas tuaj yeem ua rau cov molecule muaj txiaj ntsig zoo uas tuaj yeem qiv lawv tus kheej rau cov ntawv thov hauv dyes thiab pigments. Ntxiv mus, cov derivatives ntawm no compound, xws li hlau complexes, yog ib qho tseem ceeb hauv catalysis, organic solar cells, thiab photodynamic therapy.
Daim duab 01: Cov Qauv Tshuaj ntawm Phthalocyanine
Tsis tas li ntawd, phthalocyanine tebchaw thiab lawv cov hlau complexes muaj peev xwm sib sau ua ke, thiab yog li ntawd, lawv muaj cov solubility tsawg hauv cov kuab tshuaj. Piv txwv li, benzene muaj cov solubility tsawg dua phthalocyanine thaum tib qhov kub thiab txias. Ntxiv mus, feem ntau cov phthalocyanine tebchaw yog thermally ruaj khov thaum lawv undergo sublimation yam tsis tau melting ntawm kub kub.
Thaum xav txog kev sib txuas ntawm phthalocyanine, nws tsim los ntawm cyclotetramerization ntawm ntau yam phthalic acid derivatives xws li phthalonitrile, diiminoisoindole, phthalic anhydride, thiab phthalimides. Tsis tas li ntawd, peb kuj tuaj yeem siv cov txheej txheem cua sov phthalic anhydride thaum muaj cov urea txaus kom tau H2Pc.
Daim duab 02: Phthalocyanine Dye
Kev siv thawj zaug ntawm phthalocyanine yog siv nws ua cov xim thiab xim. Txawm li cas los xij, kev hloov kho hauv cov molecule no tuaj yeem muaj txiaj ntsig zoo hauv kev kho qhov nqus thiab emission zog ntawm Pc kom muab cov xim sib txawv thiab xim xim. Lwm cov derivatives kuj tseem muaj txiaj ntsig hauv photovoltaics, photodynamic kho, nanoparticle tsim, thiab catalysis.
Porphyrin yog dab tsi?
Porphyrin compounds yog cov sib txuas cov kua qaub ntawm ligands uas tuaj yeem ntim nrog cov hlau tsim cov complexes. Cov hlau ion ntawm qhov chaw no feem ntau yog +2 lossis +3 them cation. Peb tuaj yeem hu ua porphyrin compound yam tsis muaj hlau ion hauv nws cov kab noj hniav "dawb puag." Muaj ib co complexes uas muaj hlau nyob rau hauv lub hlau center. Peb hu lawv "heme complexes" lossis yooj yim "hemes." Muaj cov proteins uas muaj hlau uas hu ua hemoproteins. Peb tuaj yeem pom hom protein ntau hauv qhov xwm txheej. Tsis tas li ntawd, muaj ob qhov loj oxygen khi cov proteins hauv peb cov ntshav hu ua hemoglobin thiab myoglobin. Lawv yog hlau porphyrins. Tsis tas li ntawd, muaj ntau yam sib txawv cytochromes uas peb tuaj yeem hu ua hemoproteins.
H2porphyrin + [MLn2+ → M(porphyrinate) Ln−4 + 4 L + 2 H+, where M=hlau ion thiab L=a ligand
Qhov txawv ntawm Phthalocyanine thiab Porphyrin yog dab tsi?
Phthalocyanine lossis H2Pc yog qhov loj, muaj ntxhiab, macrocyclic organic compound muaj cov mis (C8H4N2)4H2. Porphyrin compounds yog conjugate acids ntawm ligands uas muaj peev xwm bin nrog hlau ua complexes. Qhov sib txawv tseem ceeb ntawm phthalocyanine thiab porphyrin yog cov phthalocyanine molecules muaj plaub lub indole units los yog pyrrole rings txuas los ntawm nitrogen atoms uas yog conjugated nrog benzene rings, whereas porphyrin molecules muaj plaub pyrrole rings txuas los ntawm methane carbon choj.
Cov hauv qab no qhia txog qhov sib txawv ntawm phthalocyanine thiab porphyrin hauv daim ntawv teev npe rau ib sab ntawm kev sib piv.
Summary – Phthalocyanine vs Porphyrin
Qhov sib txawv tseem ceeb ntawm phthalocyanine thiab porphyrin yog cov phthalocyanine molecules muaj plaub lub indole units los yog pyrrole rings txuas los ntawm nitrogen atoms uas yog conjugated nrog benzene rings, whereas porphyrin molecules muaj plaub pyrrole rings txuas los ntawm methane carbon choj.
