MJ Series Jaw Crusher

MJ series jaw crusher is mainly used as a coarse crushing crusher. Its purpose is to crush rocks into smaller particle sizes for subsequent processing in the crushing section. Because it can effectively…

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MJ Series Jaw Crusher

MC Series Single-Cylinder Hydraulic Cone Crusher

MC series single cylinder hydraulic cone crusher is used in secondary and fine crushing operations. It is widely used in metallurgy, construction, highway, chemical and building materials industries. It…

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MC Series Single-Cylinder Hydraulic Cone Crusher

ML Series Vertical Shaft Impact Crusher

Vertical shaft impact crusher is often used in the final crushing circuit. Due to the ability to produce fine-grained final products, ML series vertical shaft impact crushing equipment is very popular…

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ML Series Vertical Shaft Impact Crusher

MD Series Multi-Cylinder Hydraulic Cone Crusher

MD series multi-cylinder hydraulic cone crusher is used in the second and third stages of mineral processing and stone crushing, as well as the superfine material crushing of some rocks and ores. MD series…

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MD Series Multi-Cylinder Hydraulic Cone Crusher

MF Series Fixed Shaft Circular Vibrating Screen

In order to eliminate the phenomenon of unbalanced vibration, unstable amplitude, on/off bounce, poor screening effect, and cracking of the screen box caused by diagonal vibration in the actual screening…

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MF Series Fixed Shaft Circular Vibrating Screen

MGD Series Vibrating Feeder

MGD series vibrating feeder is designed for ultra-heavy working conditions and is suitable for feeding materials to primary jaw crushers, primary impact crushers and primary hammer crushers. It is widely…

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MGD Series Vibrating Feeder

MGB series hopper discharge feeder

MGB series hopper discharge feeder is mainly used for the uniform, quantitative and automatic control of under-silo feeding of bulk materials.…

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MGB series hopper discharge feeder

MZA/K Series Circular Vibrating Screen

MZA/K series circular vibrating screen produced by Meilan has an axis-eccentric circular vibrating screen, which can be used for dry and wet classification of materials in coal preparation, mineral processing,…

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MZA/K Series Circular Vibrating Screen

Current status of phthalocyanines in the photodynamic ...

Electromagnetic wave absorption properties of FeCoNiCrAl0.8 high entropy alloy powders and its amorphous structure prepared by high-energy ball milling - Volume 31 Issue 16 - Peipei Yang, Ying Liu, Xiuchen Zhao, Jingwei Cheng, Hong Li

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US8669358B2

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 …

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Synthesis and electrochemical characterisation of a near ...

observations on certain phthalocyanine solutions (chloro-aluminium and vanadium phthalocyanine in chloronaphthalene). The intense absorption band (which the laser saturates) corresponds to a singlet-singlet electronic transition of large cross section bet ween i Now at the Electricity Council Research Centre, Capenhurst, Chester. 743

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Electronic excitations in vanadium oxide phthalocyanine ...

Jul 30, 2002· They can also be easily synthesized. The phthalocyanine derivatives are stable thermally, optically, and chemically. Moreover, their nonlinear optical properties have been actively studied by many researchers in this field [1]. Two absorption bands characteristic of metallopthalocyanine (MPc) exist in its optical absorption spectrum.

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X

3.3.4 Phthalocyanine Blue Copper phthalocyanine blue (U12 - U13) is a weakly scattering, dyelike pigment with strong absorption in the 500 - 800 nm range and weak absorption in the rest of the visible and NIR. Phthalo blue appears black and has minimal NIR reflectance over a black background, but looks

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EP2380894A2

The variation of absorption coefficient (α) as a function of incident photon energy (hv) for VOPc thin films at different thickness is shown in Fig.6. It has been observed that the value of the absorption coefficient increases with the increase in photon energy hv. Near the absorption edge, α increases more rapidly with hv.

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Phthalocyanine Metal Complexes in Catalysis | Chemical Reviews

ABSTRACT: Vanadium phthalocyanine (VPc) monolayers and multilayers were synthesized on Ag(111), and the electronic and magnetic states of an unachieved VPc with a divalent state of V were investigated. The VPc monolayer was fabricated by directly depositing the V atoms on a metal-free phthalocyanine (H 2 Pc) monolayer under ultra-high-vacuum ...

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Magnetochemistry | Free Full

vanadium phthalocyanine and porphy-rin, where the peak occurs at 3.5 to 4.0 eV. The pre-edge peak position and in-tensity are in good agreement with V4+ in oxygen coordination with one short vanadylbond. InFig. 2it is alsopossible to compare the- edge spectrum before andafterliquefaction. It is clearthat the vanadium environment in the raw coal

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Optical and non

infrared absorption vanadium phthalocyanine phthalocyanine compound vanadium infrared Prior art date 2008-12-31 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires 2029-11-23 Application ...

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Current status of phthalocyanines in the photodynamic ...

USA Home > Product Directory > Materials Science > Organic and Printed Electronics > Photonic and Optical Materials > Phthalocyanine and Porphyrin Dyes > Porphyrines Materials Science Home Materials Science Products

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Recent progress in porphyrin

May 17, 2004· An electron spin resonance study of vanadyl phthalocyanine magnetically diluted in metal‐free and zinc phthalocyanine salts, and in sulfuric acid solution, confirms the placement of the 3d unpaired electron in the d xy singlet orbital of the vanadium ion. An improved method of synthesis for vanadyl phthalocyanine which increased the yield to 64% is described.

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Oxo

Nov 05, 2009· 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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Refractive Third

Background. Metal phthalocyanines have been widely studied for electronic device applications due to their notable chemical properties of high solubility in a variety of organic solvents and physical properties of efficient absorption of light in the visible region [1,2].Metal phthalocyanine nanostructures such as nanotubes, nanoflowers, nanorods, nanowires, and nanoribbons [3-6] …

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Bis(N‐methylimidazole)‐Substituted Neutral Phthalocyanines ...

The position and intensity of the Q band is important in tailoring new phthalocyanine derivatives for particular applications. Aggregation, the nature of the central metal, π conjugation, symmetry of the molecules, and axial, peripheral or non-peripheral substitutions affect the spectra and hence the properties of the phthalocyanine molecule.

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Phthalocyanine Metal Complexes in Catalysis | Chemical Reviews

Microbial pathogens have increasingly shown multidrug resistance posing a serious threat to the public health. Advances in technology are opening novel avenues for discovery of compounds that will mitigate the ever-increasing drug-resistant microbes. Use of photodynamic photosensitizer is one of the promising alternative approaches since they offer low risk of …

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Antimicrobial Photodynamic Activity of Phthalocyanine ...

The above absorption peaks are characteristic in phthalocyanine materials 1-3. Figure 3b shows the UV–vis absorption spectra of Keggin type POMs in aqueous solution. 4 The maximum absorption peak appearing at 263 nm for SiW 12, 255 nm for PW 12, 214 nm for PMo 12

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Nonlinear optical properties and morphologies of vanadyl ...

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 ...

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Antimicrobial Photodynamic Activity of Phthalocyanine ...

Electronic excitations in vanadium oxide phthalocyanine studied via resonant soft X-ray emission and resonant inelastic X-ray scattering Shancai Wang Accurate determination of the electronic structure of thin film organic semiconductors is a prerequisite to developing a comprehensive understanding of these electronic materials.

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(PDF) Phthalocyanine

The synthesis of an α-substituted phthalocyanine oxo vanadium(IV) 1,4,8,11,15,18,22,25-octapentathiophthalocyanine (4) which absorbs at 850nm in dichloromethane is reported. The complex is purple ...

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Preparation and evaluation of phthalocyanine/vanadium ...

Phthalocyanine compounds are a very important class of functional organic materials. They have been found to be ... Absorption spectra are measured with a 8452 diode array spectrophotometer. ESR measurments of the mixtures are ... vanadium nuclear hyperfine (hf structure, suggested that the ...

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Vanadium(III) Acetylacetonate as an Efficient Soluble ...

ABSTRACT: Vanadium phthalocyanine (VPc) monolayers and multilayers were synthesized on Ag(111), and the electronic and magnetic states of an unachieved VPc with a divalent state of V were investigated. The VPc monolayer was fabricated by directly depositing the V atoms on a metal-free phthalocyanine (H 2 Pc) monolayer under ultra-high-vacuum ...

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Preparation and evaluation of phthalocyanine/vanadium ...

GHS Hazard and Precautionary Statements. Hazard Statements: H302+H312+H332 Harmful if swallowed. Harmful in contact with skin. Harmful if inhaled. Precautionary Statements: P264b-P270-P271-P280-P301+P312-P302+P352-P304+P340-P312-P330-P363-P501c-X Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using …

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Direct Synthesis of Vanadium Phthalocyanine and Its ...

Excited states, the first excited state, absorption wavelength, and oscillation strength were calculated by time-dependent DFT (TD-DFT). Calculated UV-VIS-NIR spectra of Sc 3 (Pc) 4 and Y 3 (Pc) 4 are shown in Figure 4 and Table 2. In all cases, there was a wide absorption in the UV-VIS-NIR spectra and the excited process in the range of 1000 ...

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Porphyrines

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 …

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