Phthalocyanine Dyes and Pigments

Erk, Peter; Hengelsberg, Heidi

doi:10.1016/b978-0-08-092393-2.50009-3

Cited by 82 publications

(53 citation statements)

References 98 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The precipitate was filtered and vacuum-dried to give white crystals (5.77 g, 77 %). 1 Phthalocyanines 3-5: Magnesium turnings (0.14 g) were heated in nBuOH (40 mL) under reflux for 2 h (until all magnesium was consumed). Compounds 1 (prepared from 101 mg (0.57 mmol), 1,2,4,5-tetracyanobenzene) [10d] and 2 (1.47 g, 4 mmol) were added to this cooled suspension and the mixture was heated under reflux for 48 h. After the reaction mixture had been cooled, methanol (200 mL) was added and the resulting mixture was stirred for 1 h. The precipitate was collected by centrifugation, washed with methanol, dried and then extracted with toluene.…”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Synthesis and Photophysical Properties of Annulated Dinuclear and Trinuclear Phthalocyanines

Makarov

Litwinski

Ermilov

et al. 2006

Chemistry A European J

View full text Add to dashboard Cite

Metal-free mononuclear, dinuclear and trinuclear phthalocyanines were prepared by a mixed cyclotetramerisation of a 1,2,4,5-tetracyanobenzene derivative and 4,5-bis(2,6-dimethylphenoxy)phthalonitrile. For the first time, a pi-electron-conjugated trinuclear phthalocyanine was synthesised with phthalocyanine units connected by common annulated benzene rings. The Q band of the trinuclear compound in solution occurs at lambda = 944 nm whereas those of the dinuclear and mononuclear compounds are at lambda = 853/830 and 701/664 nm, respectively. Fluorescence quantum yields, fluorescence lifetimes and singlet-oxygen quantum yields of the compounds were determined.

show abstract

Section: Methodsmentioning

confidence: 99%

“…Some of the most important applications of phthalocyanines (Pcs) are based on the interaction of visible light with the chromophore: dyes and pigments, [1] photoconductors in laser printers, [2] photosensitisers in the photodynamic therapy of cancer [3] and degradation of pollutants of waste and natural water.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Photophysical Properties of Annulated Dinuclear and Trinuclear Phthalocyanines

Makarov

Litwinski

Ermilov

et al. 2006

Chemistry A European J

View full text Add to dashboard Cite

show abstract

“…For phthalocyanines (Pc), a wide range of real applications is based on their interaction with visible light: dyes and pigments [1], photoconductors in laser printers [2,3], recordable disks (CD) [3], pigments in active matrix liquid crystal displays [3], photosensitizers in the photodynamic therapy (PDT) [4] and degradation of pollutants of waste and natural water [5]. Pcs as thin films or adsorbed on inorganic semiconductors have potential applications in photovoltaic (OPV) or dyesensitized solar cells (DSSC) [6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Singlet oxygen quantum yields and photostability of planar binuclear phthalocyanines

Makarov

Schnurpfeil

Rychagova

et al. 2017

J. Porphyrins Phthalocyanines

View full text Add to dashboard Cite

ABSTRACT:The singlet oxygen ( 1 O 2 ) quantum yield of the near-infrared absorbing (l max = 839 nm) planar p-conjugated binuclear zinc phthalocyanine (ZnPc) was measured and compared to the 1 O 2 quantum yields of the mononuclear and the planar binuclear phthalocyanine without p-conjugation between Pc rings. In addition, the photooxidative stability of the p-conjugated binuclear Pc was determined and compared to the stabilities of the mononuclear ZnPc and the known near-infrared photosensitizer, zinc tetra-tert-butylnaphthalocyanine (l max = 761 nm). The results are explained by DFT calculations and cyclic voltammetry.

show abstract

“…To achieve these objectives, a colorful pigment (phthalocyanine green G) with inherently high tinctorial strength and excellent fastness to different solvents, heat, light, weathering [15,25] was chosen and adsorbed onto aluminum pigment having adsorption layer of inorganic acid radical with the green colorful pigment adhered to said adsorption layer. The phthalocyanine green G colored aluminum pigment was then coated with a polymer using radical polymerization, and its properties were investigated.…”

Section: Introductionmentioning

confidence: 99%

Phthalocyanine green aluminum pigment prepared by inorganic acid radical/radical polymerization for waterborne textile applications

et al. 2016

View full text Add to dashboard Cite

Polymer-encapsulated phthalocyanine green aluminum pigment was prepared via inorganic acid radical/ radical polymerization route, and its properties were investigated by FT-IR, TGA, XPS, SEM, and TEM. SEM and TEM images showed that the aluminum pigment was encapsulated by a thin film of polymer which ensured good anti-corrosive performance in alkaline (pH 12) and acidic (pH 1) mediums. XPS results showed significant chemical shifts, and increase in binding energies to higher levels after raw aluminum pigment was phosphate coated and colored by phthalocyanine green pigment. TGA results suggest a marginal reduction in its thermal stability. Major absorbance peaks, such as aluminum phosphate (AlPO 4 ), different monomer units and CH 2 stretching vibration of phthalocyanine green G were highlighted in the FTIR spectra of the colored aluminum matrix. The polymer-encapsulated aluminum pigment (PAP) had excellent UPF properties regardless of the coating thickness, but the handle of the fabric was affected when the coating thickness increased beyond 0.04 mm. The prepared pigment showed excellent rubbing and washing fastness, but its handle and color strength were compromised when the content of monomer ratio by 100 % weight of PGAP increased beyond 10 %, was applied on cotton fabrics. This research provides a simple but effective route for the preparation of polymer-encapsulated aluminum pigments for waterborne textile applications.

show abstract

Phthalocyanine Dyes and Pigments

Cited by 82 publications

References 98 publications

Synthesis and Photophysical Properties of Annulated Dinuclear and Trinuclear Phthalocyanines

Synthesis and Photophysical Properties of Annulated Dinuclear and Trinuclear Phthalocyanines

Singlet oxygen quantum yields and photostability of planar binuclear phthalocyanines

Phthalocyanine green aluminum pigment prepared by inorganic acid radical/radical polymerization for waterborne textile applications

Contact Info

Product

Resources

About