https://commons.ufh.ac.za/vital/access/manager/Index en-us 5 Bioelectrocatalysis and surface analysis of gold coated with nickel oxide/hydroxide and glucose oxidase towards detection of glucose: https://commons.ufh.ac.za/vital/access/manager/Repository/vital:38937 Wed 15 May 2024 15:51:05 SAST ]]> Electrochemical and photophysical characterization of non-peripherally-octaalkyl substituted dichlorotin (IV) phthalocyanine and tetrabenzotriazaporphyrin compounds https://commons.ufh.ac.za/vital/access/manager/Repository/vital:54522 Wed 08 May 2024 17:55:47 SAST ]]> Fluorescence “switch on” of conjugates of CdTe@ ZnS quantum dots with Al, Ni and Zn tetraamino-phthalocyanines by hydrogen peroxide https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50966 QDs-NiTAPc (4.4 μM) > QDs-AlTAPc (9.8 μM) while the selectivity followed the order: QDs-NiTAPc > QDs-AlTAPc > QDs-ZnTAPc. The varying degree of sensitivity/selectivity and mechanism of detection is discussed in detail.]]> Wed 08 May 2024 17:50:23 SAST ]]> Enhanced optical limiting performance in phthalocyanine-quantum dot nanocomposites by free-carrier absorption mechanism https://commons.ufh.ac.za/vital/access/manager/Repository/vital:45404 Wed 08 May 2024 17:49:31 SAST ]]> Effects of redox mediators on the catalytic activity of iron porphyrins towards oxygen reduction in acidic media https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50942 Wed 08 May 2024 17:48:57 SAST ]]> Synthesis, photophysical and nonlinear optical behavior of neodymium based trisphthalocyanine https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50937 Wed 08 May 2024 17:48:16 SAST ]]> Photophysical and nonlinear optical characteristics of pyridyl substituted phthalocyanine-detonation nanodiamond conjugated systems in solution https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44563 Wed 08 May 2024 17:46:11 SAST ]]> Photophysical and nonlinear optical properties of the positional isomers of 4-(4-tertbutylphenoxy) substituted cobalt, nickel and copper phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44460 Wed 08 May 2024 17:45:29 SAST ]]> Optical limiting properties of indium 5, 10, 15, 20-tetrakis (4-aminophenyl) porphyrin covalently linked to semiconductor quantum dots https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44463 Wed 08 May 2024 17:44:53 SAST ]]> Photooxidation of 4-chlorophenol sensitized by lutetium tetraphenoxy phthalocyanine anchored on electrospun polystyrene polymer fiber https://commons.ufh.ac.za/vital/access/manager/Repository/vital:51405 Wed 08 May 2024 16:15:58 SAST ]]> The development of catalytic oxovanadium (IV)-containing microspheres for the oxidation of various organosulfur compounds https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50969 Wed 08 May 2024 16:13:33 SAST ]]> Fluorescence behavior of glutathione capped CdTe@ ZnS quantum dots chemically coordinated to zinc octacarboxy phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50993 Wed 08 May 2024 16:07:43 SAST ]]> Exploiting Click Chemistry for the Covalent Immobilization of Tetra (4-Propargyloxyphenoxy) Metallophthalocyanines onto Phenylazide-Grafted Gold Surfaces https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44824 Wed 08 May 2024 15:37:12 SAST ]]> Electrocatalytic behaviour of surface confined pentanethio cobalt (II) binuclear phthalocyanines towards the oxidation of 4-chlorophenol https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44726 Wed 08 May 2024 15:36:50 SAST ]]> Characterization of nickel tetrahydroxy phthalocyanine complexes and the electrocatalytic oxidation of 4-chlorophenol https://commons.ufh.ac.za/vital/access/manager/Repository/vital:53616 Tue 07 May 2024 16:01:26 SAST ]]> Third order nonlinear optical properties of phthalocyanines in the presence nanomaterials and in polymer thin films https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50968 Tue 07 May 2024 15:16:53 SAST ]]> Reaction of Perrhenate with Phthalocyanine Derivatives in the Presence of Reducing Agents and Rhenium Oxide Nanoparticles in Biomedical Applications https://commons.ufh.ac.za/vital/access/manager/Repository/vital:57910 Tue 07 May 2024 11:42:14 SAST ]]> Synthesis, electrochemical characterization of tetra-and octa-substituted dodecyl-mercapto tin phthalocyanines in solution and as self-assembled monolayers https://commons.ufh.ac.za/vital/access/manager/Repository/vital:53743 Thu 16 May 2024 05:04:08 SAST ]]> Solvent effect on the third-order nonlinear optical properties of α-and β-tertbutyl phenoxy-substituted tin (IV) chloride phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44797 Thu 11 Aug 2022 12:45:02 SAST ]]> Improved nonlinear optical behaviour of ball type indium (III) phthalocyanine linked to glutathione capped nanoparticles https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50752 Thu 11 Aug 2022 12:41:49 SAST ]]> The effect of the cobalt and manganese central metal ions on the nonlinear optical properties of tetra (4-propargyloxyphenoxy) phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50083 CoTPrOPhOPc > Mn(OAc)TPrOPhOPc. The values βeff (×10−5 m MW−1) using 532 nm Nd:YAG (560 nm monochromatic Ekspla) laser sources were 23.5 > 14.3 > 9.20 (14.4). The second-order nonlinear coefficient obtained using density functional theory calculations, the theoretical hyper-Rayleigh scattering (βHRS, ×10−28 esu), showed the decreasing trend for H2TPrOPhOPc (2.28) > CoTPrOPhOPc (2.10) > Mn(OAc)TPrOPhOPc (1.86). The 4-(propargyloxy)phenoxy substituents enhanced the optical limiting properties of the synthesized phthalocyanines.]]> Thu 11 Aug 2022 12:39:51 SAST ]]> Photophysics and NLO properties of Ga (III) and In (III) phthalocyaninates bearing diethyleneglycol chains https://commons.ufh.ac.za/vital/access/manager/Repository/vital:50556 Thu 11 Aug 2022 12:39:00 SAST ]]> Spectroscopic and nonlinear optical properties of alkyl thio substituted binuclear phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44661 Thu 11 Aug 2022 12:36:16 SAST ]]> Nonlinear optical properties of metal free and nickel binuclear phthalocyanines https://commons.ufh.ac.za/vital/access/manager/Repository/vital:44539 Thu 11 Aug 2022 12:35:29 SAST ]]>