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Phthalocyanine C32H18N8 CID 86280045 structure chemical names physical and chemical properties classification patents literature biological activities
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Disclosed are novel vanadium phthalocyanine compounds with low absorption efficiency in the visible light domain and high absorption efficiency in the nearinfrared light domain and a nearinfrared absorption filter using the same the nearinfrared absorption vanadium phthalocyanine compounds have chemical formula 1 in the chemical formula 1 a2 a3
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Abstract Field effect transistors were prepared with magnesium phthalocyanine MgPc and vanadium pentoxide V2O5 Vapor treatments of several organic solvents were carried out for MgPc
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See more Iron products Iron atomic symbol Fe atomic number 26 is a Block D Group 8 Period 4 element with an atomic weight of The number of electrons in each of Iron s shells is 2 8 14 2 and its electron configuration is [Ar] 3d 6 4s 2 The iron atom has a radius of 126 pm and a Van der Waals radius of 194 pm Iron was discovered by humans before 5000 BC
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A novel vanadium phthalocyanine compound with low absorptivity in the visible light region and high absorptivity in the near infrared light region and a near infrared absorption filter using the same are disclosed The near infrared absorption vanadium phthalocyanine compound is represented by Formula 1 of Claim 1
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Published 2024 Physics Journal of Natural Sciences Research The optical properties of vanadyl phthalocyanine VOPc thin films have been studied in the spectral range 300 900 nm Variations in the optical constants with wavelength are found to be thickness dependent of the films
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Abstract The electronic structure of the organic semiconductor vanadium oxide phthalocyanine has been studied using resonant inelastic X ray scattering and X ray emission spectroscopy
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The first dyes used with a ruby laser were phthalocyanines the free base as well as chloro aluminum and vanadium phthalocyanine in 1 chloronaphthalene or nitrobenzene 22> While these dyes show little residual absorption 14> and good photochemical stability the solubility is relatively low and the solvents are not well suited to operation in
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Abstract Disclosed are novel vanadium phthalocyanine compounds with low absorption efficiency in the visible light domain and high absorption efficiency in the near infrared light domain and a near infrared absorption filter using the same The near infrared absorption vanadium phthalocyanine compounds have chemical formula 1
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Synthesis and properties of N methylimidazole solvates of vanadium ii chromium ii and iron ii phthalocyanines Strong NIR absorption in V II MeIm 2 Pc 2 Dalton Trans 2024 Mar 26 47 13 4661 4671 doi /c8dt00459e Authors
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Oxo vanadium IV phthalocyanine implanted onto the modified SBA 15 as a catalyst for direct hydroxylation of benzene to phenol in acetonitrile water medium A kinetic study part a As can be seen the characteristic absorption band of the phthalocyanines category which is briefly named as Q band is clear in both complexes Karaoğlu et
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A novel copper phthalocyanine compound with low absorptivity in the visible light region and high absorptivity in the near infrared light region and a near infrared absorption filter using the same are disclosed The near infrared absorption copper phthalocyanine compound is represented by Formula 1 of Claim 1
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Initially to prepare the amino oxo vanadium phthalocyanine AVOPc 3 nitro phthalic anhydride species must be reflux with the urea vanadium oxide ammonium molybdate 28 The reaction mixture was cooled and diluted with toluene The resulting precipitate was collected by centrifugation The absorption at 1611 cm −1 C N and 1445
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The electrochemical behaviour of vanadium phthalocyanines is not well known Vanadium phthalocyanine complexes exhibit variable oxidation states II V which makes them useful as potential electrocatalysts The OVPc derivatives reported so far in literature show only ring based redox processes [21] [22] [23]
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The near infrared absorption copper phthalocyanine compound is represented by the following Formula 1 wherein A₂ A₃ A₆ A₇ A₁₀ A₁₁ A₁₄ and A₁₅ are independently OR₁ SR₂ or a halogen atom wherein at least four thereof are OR₁ A₁ A₄ A₅ A₈ A₉ A₁₂ A₁₃ and A₁₆ are independently
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PURPOSE A novel vanadium phthalocyanine compound is provided to ensure excellent absorbance efficiency and to use as a near infrared ray absorption filter CONSTITUTION A near infrared ray absorbing vanadium phthalocyanine compound is denoted by chemical formula 1 In chemical formula 1 A2 A3 A6 A7 A10 A11 A14 and A15 are independently OR 1 SR 2 or halogen atom A1 A4 A5 A8 A9
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The optical and non linear optical properties of peripheral substituted vanadium oxide phthalocyanine VOPc film and substituted VOPc/polymer composite film were investigated using stationary and transient spectroscopy techniques The absorption Q band of the VOPc/polymer composite film shows a red shift relative to that of the peripheral substituted VOPc film revealing the monomeric
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Methods for the determination of vanadium in the range 100 mg/l by atomic absorption spectroscopy in an oxy acetylene as well as in a nitrous oxideacetylene flame are presented For use with oxy acetylene flames vanadium is extracted as vanadium cupferrate into a mixture of methyl isobutyl ketone and oleic acid 78 22 v/v and the
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A nitro group containing naphthoquinone derivative represented by the following general formula ##STR1## wherein R is a monovalent hydrocarbon group having a nitro group and a ring A may be substituted with a This compound is a novel substance and is useful as an electron transporting agent for an electrophotosensitive electrophotosensitive material using the
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Phthalocyanines have two main electronic absorption regions the Q band generally in the range 600 700nm and the Soret band in the range 300 400nm In the solid state these bands generally split into at least two components due to excitonic coupling between overlapping molecules
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The absorption edge of doped TiO 2 is at a higher wavelength that corresponds to red region because of the formation of intermediate states in the doped metal ions into TiO 2 sites Moreover for the photocatalytic degradation of MB and MO dyes the prepared catalysts were tested under both UV and visible light irradiation
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Copper phthalocyanine has a four fold axis of symmetry in common with the porphin system and has two absorption bands in or close to the visible region designated Q bands and B bands The Q band in this case is the most important and most intense occurring at nm with a molar extinction coefficient close to 100 000 dm 3 mol −1 cm −1
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Vanadyl Phthalocyanine is one of numerous organometallic compounds sold by American Elements under the trade name AE Organometallics Organometallics are useful reagent catalyst and precursor materials with applications in thin film deposition industrial chemistry pharmaceuticals LED manufacturing and others
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N Methylimidazole MeIm solvates of vanadium II chromium II and iron II phthalocyanines [V II MeIm 2 Pc 2− ] 0 ·MeIm 1 and [M II MeIm 2 Pc 2− ] 0 ·2C 6 H 4 Cl 2 M = V 2 Cr 3 and Fe 4 have been obtained and studied in a crystalline has been shown that central metal atoms have the 2 oxidation state in 1 4 and dianionic Pc 2− macrocycles are formed
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As the incident photon at half maximum FWHM of approximately eV energy is swept from 510 to 540 eV absorption from This can be compared to the equally symmetric emission spin orbit split V 2p states and O 1s states is observed in molecular O2 with a FWHM of approximately eV The XAS spectrum in Fig 1 is generally similar to that [15]
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A novel vanadium phthalocyanine compound with low absorptivity in the visible light region and high absorptivity in the near infrared light region and a near infrared absorption filter using the same are disclosed The near infrared absorption vanadium phthalocyanine compound is represented by Formula 1 of claim 1
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The low absorption of UV and visible light in this bilayer results in the fabrication of a semi transparent perovskite cell with mA cm 2 of photocurrent a 14% increase compared to the mA cm 2 generated in a control device with 150 nm of doped spiro OMeTAD
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The vanadium phthalocyanine compound according to the present invention has a maximum absorption wavelength in the region of 850 to 950 nm specifically 880 to 930 nm and when
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A novel vanadium phthalocyanine compound with low absorptivity in the visible light region and high absorptivity in the near infrared light region and a near infrared absorption filter using the same are disclosed The near infrared absorption vanadium phthalocyanine compound is represented by Formula 1 of claim 1 In Formula 1 A2 A3 A6 A7 A10 A11 A14 and A15 are independently OR1 SR2
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article{Zhang2005ElectronicEI title={Electronic Excitations in Vanadium Oxide Phthalocyanine Studied via Resonant Soft X ray Emission and Resonant Inelastic X ray Scattering} author={Yufeng Zhang and Shancai Wang and Timothy Learmonth and Lukasz Plucinski and Anne Y Matsuura and Sarah Bernardis and Cian O Donnell and James E Downes and
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