Watersoluble aluminium phthalocyaninepolymer conjugates for. Combustion study of composite solid propellants containing. Solvothermal synthesis of nanoparticles ppt posted by. The importance of phthalocyanines in many fields, including chemical. Phthalocyanines properties have been extensively explored in several research fields, due to their 18 aromatic. Ordered heteromolecular overlayers formed by metal phthalocyanines and porphyrins on rutile titanium. The q band absorption of soluble metal phthalocyanine derivatives synthesized in this work was shifted by 5080 nm to a longer wavelength in. Phthalocyanine definition of phthalocyanine by the free.
A novel glass matrix doped with phthalocyanine or naphthalocyanine is prepared by a modified solgel technique. Ordered heteromolecular overlayers formed by metal. Formally, phthalocyanine can be regarded as tetrabenzotetraazaporphyrin and as the condensation product of four isoindole units. Tetrasulphonated phthalocyanine thin films deposited on gold. The uvvis data of the phthalocyanines in chloroform are given in table 2. The very important blue pigment copper phthalocyanine is a tetraazatetrabenzoporphin and the basic polyene chromogen of the molecule is as in 119, which has an azaannulene type ring. Phthalocyanine pdf and amino substituted phthalocyanines along with the derivatives of pdf print text overflow phthalocyanine. There is a need for contrast agents for noninvasive diagnostic imaging of tumors. The spacefilled presentation of the balltype znpc given in scheme 9. The metal phthalocyanines were characterized by recording the xray diffractograms. Phthalocyanine dyes article about phthalocyanine dyes by. Repositioning mission most classes of these pigments, including betanaphthol, naphthol as, mono and diarylide yellows, quinacridones, copper phthalocyanines, benzimidazolones, and perylenes give good. Chapter 3 was originally based on an oral presentation at the. Phthalocyanine dyes that are not watersoluble are widely used as pigments in the manufacture of printing colors, plastics, resins.
Porphychem is a chemical company specialized in the synthesis of porphyrins, phthalocyanines and bodipys. These phthalocyanines are also similar to those of crown ether21, alkyl chain26, alkylsulfanyl27,aza. Metal phthalocyanine pdf presentation photoshop cs4 tetrasulfonic acids, pdflib page size metal phthalocyanine. Phthalocyanine definition of phthalocyanine by medical. Phthalocyanines, properties and applications, volume 4 wiley. H 2 pc has a twodimensional geometry and a ring system consisting of 18. Save powerpoint presentations as pdf files office support. As the spectral absorptions are found to be sensitive to the nature of porphyrins and its. Mar 12, 2015 heat stabilizer for copper and other metal mono phthalocyanines as well as for quinacridone pigments. Structures of phthalocyanine molecules on surfaces. Phthalocyanines pc produced for 75 years as blue and green pigments are the most important organic.
A method for synthesizing combinatorial libraries of unsymmetrically substituted tetramesophenyl porphyrins on polystyrene based resin was described 337. Pdf modification and application of metal phthalocyanines in. Combustion study of composite solid propellants containing metal phthalocyanines lalith v. Phthalocyanine definition, a bluegreen pigment, c32h18n8, derived from phthalic anhydride. A phthalocyanine molecule is an organic macrocyclic compound with a 16membered ring. Practical applications of phthalocyanines from dyes and pigments. Phthalocyanines properties and applications edited by c. Copper phthalocyanine blue pigments ranges in shades from greenish to reddish blue, the copper phthalocyanine green series covers the bluish to yellowish green portion of the spectrum. Phthalocyanine article about phthalocyanine by the free. Phthalocyanine is of course closely related to the highly coloured porphyrins which are classed as polyene chromogens, and contain no donor or acceptor groups. A study on the relative efficiencies of photoinactivation. In this thesis five iron phthalocyanines fepcs, four of which having different electron. There is a shoulder on the slightly higher energy side for all phthalocyanines.
Porphyrins synthesis an overview sciencedirect topics. In the publish as pdf or xps dialog box, choose a location to save the file to. In the visible region, phthalocyanines are limited to blue, cyan and green colours. Phthalocyanine h2pc is a large, aromatic, macrocyclic, organic compound with the formula c 8 h 4 n 2 4 h 2 and is of theoretical or specialized interest. Phthalocyanine h2pc is a large, aromatic, macrocyclic, organic compound with the formula 4. Synthesis and properties of the phthalocyanines containing. At the end of this chapter, the properties of the chlorophenols, together. On preparation of crude blue copper phthalocyanine, a chemical with a formula of xfatty acid ester sodium salt is added to the mixture of urea.
Nov 23, 2014 phthalocyanines have also found extensive use in many of the modern high technologies, e. Substituted iron phthalocyanines as oxygen reduction catalysts in a fuel. Phthalocyanines and some current applications intechopen. Pdf converter is a online webbased document to pdf converter software. Together, volumes 1 through 4 cover a broad spectrum of the physical and chemical aspects of the phthalocyanines and related. The sensitivity of phthalocyanines to certain gases and other chemicals triggered the idea of doping the material for effective use in photovoltaic cells and leds. Also the basics of electrocatalysis and different modification techniques are introduced. Review of the electrical, optical, structural and schottky.
Phthalocyanines pc produced for 75 years as blue and green pigments are the most important organic colorants. Phthalocyanine h 2 pc is a large, aromatic, macrocyclic, organic compound with the formula c 8 h 4 n 2 4 h 2 and is of theoretical or specialized interest. Pdf phthalocyanines pc produced for 75 years as blue and green pigments are the. Highpressure electrochemical investigations of representative metallophthalocyanines in solution are reported. The phthalocyanines are structurally similar to naturally occurring porphyrins such as hemoglobin, chlorophyll a, and vitamin b12.
The phthalocyanines are a group of synthetic pigments that contain four isoindole units linked together in a large ring. Chapter 1 deals with th e properties o f phthalocyanines and th e electrocatalytic detection of different target molecules at electrodes modified with phthalocyanines. The measures, which mainly concern azo pigments and phthalocyanines, will begin this year and are expected to be completed by 20. Review of the electrical, optical, structural and schottky device properties in phthalocyanines 1. The yields of these phthalocyanines ii5were rather low and depended upon the metal ion. All copper phthalocyanines have an excellent fastness properties, especially regarding lightfastness and weatherfastness, and most shown by very good heat. Effect of one and twoelectron reduction of terbiumiii doubledecker phthalocyanine on singleion magnet behavior and nir absorption. Our products are key precursors for research and industrial use in the fields of health, energy, smart materials and chemical processes. History, development, and a new concept of phthalocyanines in turkey. Acid pasting is used to condition the crude and give the pigment. Since their initial accidental synthesis and characterization in scotland in the late 1920s, there has been a strong research focus on the use of phthalocyanines pcs as dyes and pigments. We present a comprehensive description of the unique properties of newly developed phthalocyanines pcs containing maingroup elements that absorb and emit in the nearir region.
The mission of porphychem aims to help you reach your goals while improving quality, reducing global. At that major international event, the society of porphyrins and phthalocyanines spp was created, and in early. Electronic properties of porphyrins and metalloporphyrins the most useful spectroscopic technique for the study of porphyrin and their metalloderivatives is the electronic absorption spectroscopy. Phthalocyanine is an intensely bluegreencolored aromatic macrocyclic compound that is widely used in dyeing and the first phthalocyanine pc was synthesized accidentally in 1907 as an unidentified blue compound when ocyanobenzamide was heated at high temperature and that substance is currently known to be the metalfree phthalocyanine 1. People can view the slides even if they dont have powerpoint, but they cant make changes to it. Osa phthalocyanine photosensitizers as contrast agents for. Design, synthesis, and properties of phthalocyanine. Herein, multispectral optoacoustic tomography msot was employed to evaluate phthalocyanines commonly used in photodynamic therapy as photoacoustic contrast agents. Phthalocyanines with electrondonating and electronwithdrawing substituents in the same benzene ring acknowledgements. Solvothermal synthesis of nanoparticles ppt page link. Syntheses and functional properties of phthalocyanines.
Metal free phthalocyanine blue pigment blue 16 is normally manufactured via the phthalonitrile and sodium salt of phthalocyanine. Evaluation of sulfonated aluminum phthalocyanines for use in photochemotherapy. Examples of their use in both prototype and commercial electrochromic devices are given. The porphyrin handbook, the first international conference on porphyrins and phthalocyanines icpp1 took place in dijon, france june 2000, hosted by one of the three editors of the handbook. Department of materials and interfaces, weizmann institute of science. Convert and create pdf from various types of files like word doc, excel xls, powerpoint ppt. Kakumanu1, narendra yadav1, srinibas karmakar2 1department of space engineering and rocketry, birla institute of technology, mesra, ranchi, india 2department of aerospace engineering, indian institute of technology, kharagpur, india. Click create pdf xps document, then click create pdf xps. Phthalocyanines are planar molecules, comprising four isoindole units connected by four nitrogen n atoms to form a ring structure with the central atom being copper, in a planar arrangement as shown in figure 14. Electrochemistry of metal phthalocyanines in organic solvents. In recent years, active research fields have included their use in electrophotography, photovoltaic and solar cells, molecular electronics, langmuirblodgett films, photosensitizers, electrochromic display. Nucleation and growth of unsubstituted metal phthalocyanine films.
We studied the photoacoustic activity of three watersoluble phthalocyanine photosensitizers. Synthesis and properties of the phthalocyanines containing eugenol 4 allyl2methoxyphenol erbil agar, selami s. Phthalocyanines have also found extensive use in many of the modern high technologies, e. Furthermore, the phthalocyanine rings can be formed by selfcrosslinked through the cn group in pendants or in the end of macromolecular chain of pen 68, which can improve the dielectric properties and thermal stability of the composites. Phthalocyanines definition of phthalocyanines by the free. In a socalled nonsubstituted or metalfree phthalocyanine h2pc, the molecular center. Synthesis, characterization and photocatalytic studies of. However, their absorption may be extended into the near infrared and by. Phthalocyanine pdf phthalocyanine pdf phthalocyanine pdf download. Axially substituted phthalocyaninenaphthalocyanine doped in. It is composed of four isoindole units linked by nitrogen atoms. The most obvious common feature of these phthalocyanines is their extensive solubility in polar solvents, such as ethyl acetate, dichloro methane, chloroform dmso and dmf.
Attachment of 5,15dibromo104hydroxyphenyl204nitrophenylporphyrin onto brominated wang resin 452 gave a convenient scaffold for the synthesis of photoactive porphyrin libraries with three points for generating diversity scheme 156. With the introduction of group 16 elements into freebase pc, a redshift of the qband. Phthalocyanines definition of phthalocyanines by medical. Electrochemistry of metal phthalocyanines in organic. Spectra of substituted phthalocyanines is also briefly discussed. Axially and peripherally substituted phthalocyanine and. A typical member of the family is phthalocyanine blue monastral fast blue. The photophysical and optical limiting properties of the phthalocyanine compounds both in glass matrix and in thf solution were investigated. Phthalocyanine dyes or phthalocyanine pigments, a group of dyes, derivatives of tetrabenzotetraazoporphyrin phthalocyanine and its complex compounds with metals. Properties of phthalocyanines and phthalocyanine derivatives are being studied. Effect of one and twoelectron reduction of terbiumiii. The obtained glass matrix is homogeneous and transparent, as well as mechanically and thermodynamically stable enough to withstand very high.
Preparation of heat stabilizers for blue pigment copper and other metal phthalocyanines as well as other colour of organic pigment quinacridones for plastic and rubber colourations benjamin lukas 2. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. When you save presentation as a pdf file it freezes the formatting and layout. Copper phthalocyanines provide brilliant, strong blues and greens that are unusually colourfast for organic colours. Pdf practical applications of phthalocyanines from dyes and. Kerp38 had performed a study of the effect of oxygen doping on the photovoltaic properties of solar cells made of zinc phthalocyanine znpc. Watersoluble phthalocyanine dyes direct, active, sulfur, or other types are used for dyeing fabrics.
1426 1072 113 224 145 558 1139 1644 1406 524 437 1612 63 991 1205 859 1019 17 71 609 1618 214 180 284 940 845 1013 931 750 253 781 625 1458 552 403 1443 3 291