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Nyokong, Tebello

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Date: 2019
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/67603
Description: This work explores the synthesis and photophysicochemical properties of zinc phthalocyanines when conjugated to cobalt ferrite magnetic nanoparticles. Phthalocyanines with amine and carboxylic acid fu ... More
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Date: 2019
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/67625
Description: This work reports on the synthesis of symmetrical and asymmetrical novel porphyrins that have been incorporated into Pluronic polymers, as well as the synthesis of asymmetrical phthalocyanine. The new ... More
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Date: 2019
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/67614
Description: The electrocatalytic activity of metallophthalocyanines derivatives is explored. Cobalt monocarboxyphenoxy phthalocyanine (1), cobalt tetracarboxyphenoxy phthalocyanine (2), cobalt tetraaminophenoxy p ... More
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Date: 2019
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/67592
Description: This thesis reports on the syntheses and characterizationof symmetrical (charged and neutral), asymmetrical (neutral) metallophthalocyanines (MPcs) and subphthalocyanines (SubPcs). The charged and neu ... More
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Authors: Sindelo, Azole
Date: 2019
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/67581
Description: Indium (III) octacarboxyl phthalocyanine (ClInOCPc) alone and when conjugated to magnetic nanoparticles (MNP-ClInOCPc), 2(3),9(10),16(17),23(24)-octapyridylsulfanyl phthalocyaninato chloroindium (III) ... More
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Authors: Harris, Jessica
Date: 2018
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/58002
Description: A series of structurally related BODIPY dyes were synthesised and characterised. Their photophysical properties were studied in order to determine whether they would be suitable candidates for use as ... More
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Date: 2018
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/58046
Description: One form of surface modification was primarily investigated in this work on glassy carbon electrodes. The form of modification is comprised of a series of steps in which electrografting is first appli ... More
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Date: 2018
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/63368
Description: The main objectives of the research described in this thesis were firstly to synthesize and characterize a series of structurally related BODIPY dyes that are potentially suitable for use in applicati ... More
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Date: 2018
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/60719
Description: The fabrication and application of graphene quantum dots (GQDs)-based photoluminescent probes for the detection of analytes is presented. GQDs were functionalized with complexes such as metallophthalo ... More
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Date: 2018
Language: English
Type: text
Identifier: http://hdl.handle.net/10962/63964
Description: A series of BODIPY dyes have been successfully synthesised and structurally characterised to examine the effect of halogenation at the 2,6-positions and the introduction of styryl and vinylene groups ... More
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Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10962/4580
Description: This thesis presents novel asymmetrical and symmetrical lanthanide phthalocyanines (Pcs) characterized using a number techniques including proton nuclear magnetic resonance, electron spin resonance, t ... More
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Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10962/45794
Description: This work describes the synthesis, photophysical and nonlinear optical characterizations of alkynyl Pcs (1, 2, 3, 8 and 9), 1,2,3-triazole ZnPc (4), mercaptopyridine Pcs (5, 6 and 7) and amino Pcs (10 ... More
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Authors: Watkins, Zane
Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10962/4964
Description: NaYF4 :Yb/Er/Gd upconversion nanoparticles (UCNP) were synthesised and their photoemission stabilised by embedding these nanoparticles in electrospun fibres. The photophysical behaviour of chloro alum ... More
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Authors: Stone, Justin
Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10962/4953
Description: This study has three major objectives: 1) to synthesize a series of structurally related BODIPY dyes, 2) to fabricate BODIPY embedded electrospun nanofibers, and 3) to investigate and characterize the ... More
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Date: 2017
Language: English
Type: Thesis
Identifier: http://hdl.handle.net/10962/4776
Description: A series of new BODIPY dye derivatives have been synthesized and characterized using various characterization tools such as 1H-NMR, MALDI-TOF mass spectrometry, FT-IR, UV-visible spectrophotometry and ... More
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