Yazar "Çimen, Yasemin" için listeleme
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2,4,6-Triklorofenolün Çeşitli Oksidantlarla Farklı Metal İyonlarını İçeren Tetrafenilporfirin Tetrasülfonat Katalizörlüğünde Oksidasyonu
Çimen, Yasemin; Günay, Tuğçe (2017)Bu çalışmada demir-tetrafenilporfirin tetrasülfonat ([FeTSPP]) katalizörlüğündetert-bütil hidroperoksit (ButOOH) veya hidrojen peroksit (H2O2) varlığında 2,4,6-triklorofenolün (TCP) oksidasyonu araştırılmıştır. Reaksiyonlar ... -
2,4,6-trikolorofenolün çeşitli oksidantlarla demir (III) - tetrafenilporfirin tetrasülfonat katalizörlüğünde oksidasyonu
Günay, Tuğçe (Anadolu Üniversitesi, 2015)Bu tez çalışmasında demir-tetrafenilporfirin tetrasülfonat ([FeTSPP]), kobalt-tetrafenilporfirin tetrasülfonat ([CoTSPP]), nikel-tetrafenilporfirin tetrasülfonat ([NiTSPP]), paladyum-tetrafenilporfirin tetrasülfonat ... -
2,6-Di-tert-Bütilfenolün Çeşitli Oksidantlarla [5,10,15,20-Tetrakis(4-karboksifenil)porfirinato]kobalt(II) Katalizörlüğünde Oksidasyonu
Çimen, Yasemin; Günay, Tuğçe (2017)Bu çalışmada 2,6-di-tert-bütilfenolün (DTBP) çeşitli oksidantlarla [5,10,15,20-tetrakis(4- karboksifenil)porfirinato]kobalt(II) ([CoTCPP]) tarafından katalizlenen oksidasyonu araştırılmıştır. Oksidant olarak potasyum ... -
Atomic Layer Deposition of Ultrathin Nickel Sulfide Films and Preliminary Assessment of Their Performance as Hydrogen Evolution Catalysts
Çimen, Yasemin; Peters, Aaron W.; Avila, Jason R.; Hoffeditz, William L.; Goswami, Subhadip; Farha, Omar K.; Hupp, Joseph T. (American Chemical Society, 2016)Transition metal sulfides show great promise for applications ranging from catalysis to electrocatalysis to photovoltaics due to their high stability and conductivity. Nickel sulfide, particularly known for its ability to ... -
Biosorption of Cadmium Ions from Aqueous Solution Onto Non-living Lichen Ramalina fraxinea Biomass
Tay, Turgay; Candan, Mehmet; Erdem, Murat; Çimen, Yasemin; Türk, Hayrettin (Wiley-V C H Verlag GMBH, 2009)Living lichens are known to accumulate metals across their surface. in this study, the biosorption of cadmium ions (Cd(2+)) by the lichen Ramalina fraxinea was investigated in aqueous solution in a batch system with respect ... -
Degradation of 2,4,6-trichlorophenol with peroxymonosulfate catalyzed by soluble and supported iron porphyrins
Günay, Tugce; Çimen, Yasemin (Elsevier Sci LTD, 2017)Degradation of 2,4,6-trichloropenol (TCP) with peroxymonosulfate (PMS) catalyzed by iron porphyrin tetrasulfonate ([FePTS)] was investigated in an 8-to-1 (v/v) CH3OH-H2O mixture. Typical reaction medium contained a 4.00 ... -
Electrochemical and electrical properties of novel mono and ball-type phthalocyanines
Ermiş, Emel; Çimen, Yasemin; Dumludağ, Fatih; Özkaya, Ali Riza; Salih, Bekir; Bekaroğlu, Özer (Pergamon-Elsevier Science LTD, 2013)New mononuclear Co(II) phthalocyanine 3 and ball-type homobinuclear Cu(II)-Cu(II) and Zn(II)-Zn(II) phthalocyanines, 4 and 5 respectively, were synthesized using the corresponding metal salts and the 4,4'-(methane-5-meth ... -
Facile two-step preparation of polystyrene/anatase TiO2 core/shell colloidal particles and their potential use as an oxidation photocatalyst
Karabacak, R. Bengü; Erdem, Murat; Yurdakal, Sedat; Çimen, Yasemin; Türk, Hayrettin (Elsevier Science Sa, 2014)Titania and materials containing titania have received considerable attention due to their technological importance in many areas. In this study, anatase crystalline titania (TiO2) coated polystyrene (PS) colloidal particles ... -
Facile, efficient, and environmentally friendly alpha- and aromatic regioselective chlorination of toluene using KHSO5 and KCl under catalyst-free conditions
Çimen, Yasemin; Akyüz, Seçkin; Türk, Hayrettin (Royal Soc Chemistry, 2015)Toluene was subjected to room-temperature chlorination with the KHSO5-KCl system in organic solvent-water mixtures. In a typical reaction, the amounts of toluene, KHSO5, and KCl were 1.0, 5.0 and 7.5 millimoles, respectively. ... -
Fenol türü bazı model bileşiklerin homojen ve heterojen kobalt-demir ve bakır-ftalosiyonin tatrasülfonat katalizörleri içeren ortamlardaki oksidasyonu
Çimen, Yasemin (Anadolu Üniversitesi, 2007)Bu tez çalışmasında demir-ftalosiyanin tetrasülfonat ([FePcTS]), kobaltftalosiyanin tetrasülfonat ([CoPcTS]) ve bakır-ftalosiyanin tetrasülfonat ([CuPcTS]) katalizörleri tarafından katalizlenen bazı fenol model bileşiklerin ... -
Oxidation of 2,3,6-trimethylphenol with potassium peroxymonosulfate catalyzed by iron and cobalt phthalocyanine tetrasulfonates in a methanol-water mixture
Çimen, Yasemin; Türk, Hayrettin (Elsevier Science BV, 2008)Oxidation of 2,3,6-trimethylphenol (TMP) with potassium peroxymonosulfate (KHSO5) catalyzed by iron phthalocyanine tetrasulfonate ([FePcTS]) in an 8-to-1 methanol-water mixture resulted in 43.2-100.0% conversion of TMP and ... -
Oxidation of 2,6-di-tert-butylphenol with tert-butyl hydroperoxide catalyzed by iron phthalocyanine tetrasulfonate in a methanol-water mixture
Çimen, Yasemin; Türk, Hayrettin (Elsevier Science BV, 2007)The oxidation of 2,6-di-tert-butylphenol (DTBP) with tert-butyl hydroperoxide (Bu'OOH) catalyzed by iron phthalocyanine tetrasulfonate ([FePcTS]) in a 8-to-1 methanol-water mixture resulted with about 70-80% conversion of ... -
Oxidation of 2,6-di-tert-butylphenol with tert-butylhydroperoxide catalyzed by cobalt(II) phthalocyanine tetrasulfonate in a methanol-water mixture and formation of an unusual product 4,4 '-dihydroxy-3,3 ',5,5 '-tetra-tert-butylbiphenyl
Türk, Hayrettin; Çimen, Yasemin (Elsevier Science BV, 2005)The oxidation of 2,6-di-tert-butylphenol (DTBP) with tert-butylhydroperoxide (Bu'OOH) catalyzed by cobalt(II) phthalocyanine tetrasulfonate ([CoPcTS](4-)) in a 4:1 methanol-water mixture gave predominantly the coupled ... -
Oxidation of Thymol and Carvacrol to Thymoquinone with KHSO5 Catalyzed by Iron Phthalocyanine Tetrasulfonate in a Methanol-Water Mixture
Günay, Tugce; Çimen, Yasemin; Karabacak, R. Bengü; Türk, Hayrettin (Springer, 2016)The oxidation of thymol and carvacrol to thymoquinone with potassium peroxymonosulfate (KHSO5) catalyzed by iron phthalocyanine tetrasulfonate (FePcTS) in a methanol (4.0 mL)-water (0.5 mL) mixture has been carried out. ... -
Synthesis of novel methacrylate based adsorbents and their sorptive properties towards p-nitrophenol from aqueous solutions
Erdem, Murat; Yüksel, Erdinc; Tay, Turgay; Çimen, Yasemin; Türk, Hayrettin (Academic Press Inc Elsevier Science, 2009)The polymeric adsorbents were synthesized from 2-dimethylaminoethyl methacrylate (DMA) and [2(methacryloyloxy)ethyl]dimethylhexadecylammonium bromide (DMAC(16)) monomers in the presence of ethylene glycol dimethacrylate ... -
Synthesis, characterization, electrochemistry and VOC sensing properties of novel ball-type dinuclear metallophthalocyanines
Çimen, Yasemin; Ermiş, Emel; Dumludağ, Fatih; Özkaya, Ali Riza; Salih, Bekir; Bekaroğlu, Özer (Elsevier Science Sa, 2014)New homodinuclear ball-type Cu(II)-Cu(II) 4, Zn(II)-Zn(II) 5, and Co(II)-Co(II) 6 phthalocyanines were synthesized from 4,4'-(9H-fluorene-9-yl-dimethoxy)diphthalonitrile 3, which was obtained by the reaction of ... -
Yüzeyi kimyasal olarak modifiye edilmiş cama kurşun ve kadmiyum iyonlarının adsorpsiyonu
Çimen, Yasemin (Anadolu Üniversitesi, 2002)Bu çalışmada, yüzeyi kükürt içeren sistamin ve 2-aminoetantiyol ligandlan ile modifiye edilmiş cam mikrokürecikler hazırlanmış ve bunlann sulu ortamdan kurşun ve kadmiyum iyonlarının adsorpsiyonunda kullanılabilirliği ...
