نتایج جستجو برای: cobalt phthalocyanine

تعداد نتایج: 32940  

2017
Piotr Olszowski Lukasz Zajac Szymon Godlewski Bartosz Such Rémy Pawlak Antoine Hinaut Res Jöhr Thilo Glatzel Ernst Meyer Marek Szymonski

Zn(II)phthalocyanine molecules (ZnPc) were thermally deposited on a rutile TiO2(011) surface and on Zn(II)meso-tetraphenylporphyrin (ZnTPP) wetting layers at room temperature and after elevated temperature thermal processing. The molecular homo- and heterostructures were characterized by high-resolution scanning tunneling microscopy (STM) at room temperature and their geometrical arrangement an...

Journal: :Photochemistry and photobiology 2014
Duygu Aydın Tekdaş Ruslan Garifullin Berna Şentürk Yunus Zorlu Umut Gundogdu Ergin Atalar Ayse B Tekinay Alexander A Chernonosov Yusuf Yerli Fabienne Dumoulin Mustafa O Guler Vefa Ahsen Ayşe Gül Gürek

The design and synthesis of a phthalocyanine--Gd-DOTA conjugate is presented to open the way to novel molecular theranostics, combining the properties of MRI contrast imaging with photodynamic therapy. The rational design of the conjugate integrates isomeric purity of the phthalocyanine core substitution, suitable biocompatibility with the use of polyoxo water-solubilizing substituents, and a c...

Journal: :Environmental Engineering Research 2021

The present research introduces adsorption of sulfonated cobalt phthalocyanine catalyst (Europhtal) from the real wastewater that is produced in mercaptan removal unit (Merox) third refinery, South Pars Gas Complex (SPGC), Assaluyeh, Iran. Therefore, novel low-cost natural zeolite modified with polyaluminium chloride (PAC) was investigated as an adsorbent for treatment Europhtal wastewater. Cen...

Journal: :Nature Communications 2021

Abstract The fulfillment of a high quantum efficiency for photocatalytic CO 2 reduction presents key challenge, which can be overcome by developing strategies dynamic attachment between photosensitizer and catalyst. In this context, we exploit the use coordinate bond to connect pyridine-appended iridium molecular catalysts reduction, is systematically demonstrated 1 H nuclear magnetic resonance...

2010
Benjamin W. Heinrich Cristian Iacovita Thomas Brumme Deung-Jang Choi Laurent Limot Mircea V. Rastei Werner A. Hofer Jens Kortus Jean-Pierre Bucher

Weexploit several scanning tunnelingmicroscopy (STM) techniques, such as atom manipulated scans and constant-height scans, to atomically resolve the adsorption geometry of isolated cobalt-phthalocyanine (CoPc)molecules on a copper (111) surface and to obtain proper low-temperature maps of the molecular conductance. By comparing these crucial findings to density functional calculations, we then ...

2017
V. Kavelin O. Fesenko H. Dubyna C. Vidal T. A. Klar C. Hrelescu L. Dolgov

Sulfonated Zn phthalocyanine, as a prospective photosensitizer in the photodynamic therapy of tumors, is investigated by means of Raman, infrared, and fluorescence spectroscopies. Conventional and surface-enhanced spectra from this photosensitizer are obtained and compared. Gold nano-islands attached to silica cores (Au-SiO2) are proposed as nanostructures providing plasmonically enhanced signa...

Journal: :Chemical communications 2004
Giovanni Bottari Tomás Torres

The first benzene-centered, phthalocyanine hexamer has been synthesized by a dicobaltoctacarbonyl-catalyzed trimerization reaction of an ethynyl-bridged bisphthalocyanine and characterized by different spectrometric and spectroscopic techniques.

Journal: :Chemical communications 2008
Hideyuki Yoshiyama Norio Shibata Takefumi Sato Shuichi Nakamura Takeshi Toru

A genuine example of non-aggregated highly fluorescent binuclear phthalocyanines is reported; spectroscopic studies and computations revealed that the two halves of trifluoroethoxy-coated binuclear phthalocyanine are rotated in the same directions so as to contact each other as much as possible.

Journal: :Molecules 2015
Baocheng Zhou Wenxing Chen

Iron (III) phthalocyanine complexes were employed for the first time as a mild and efficient Lewis acid catalyst in the selective oxidation of cyclohexene to cyclohexane-1,2-diol. It was found that the catalyst FePcOTf shown excellent conversion and moderate selectivity relative to other iron (III) phthalocyanine complexes. The optimum conditions of the oxidation reaction catalyzed by FePcOTf/H...

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