• Crystal engineering of porosity 

      Lloyd, Gareth Owen (Stellenbosch : University of Stellenbosch, 2006-12)
      Inclusion and porosity properties of the following supramolecular solid-state hosts were investigated: • 2,7-dimethylocta-3,5-diyne-2,7-diol • 2-methyl-6-phenylhexa-3,5-diyn-2-ol • Dianin’s compound • p-tert-butyl-c ...
    • Evaluation of gas sorption techniques and computational methods utilized in the analysis of porous compounds 

      Van Heerden, Dewald Pepler (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: A recently proposed mechanism responsible for anomalous thermal expansion in a metal-organic framework (compound 1) is examined through theoretical calculations. A mechanistic model that reproduces the ...
    • Guest-induced flexibility in crystals 

      Heyns, Anneli (Stellenbosch : Stellenbosch University, 2012-03)
      ENGLISH ABSTRACT: The primary goal of the work presented here was to prepare both organic and metal-organic porous crystals (using crystal engineering strategies) in order to study the guest-induced flexibility of ...
    • Negative thermal expansion of organic compounds 

      Greyling, Guillaume Hermanus (Stellenbosch : Stellenbosch University, 2011-03)
      ENGLISH ABSTRACT: The primary objective of the work was to investigate the negative thermal expansion of organic materials and to determine the mechanisms governing this phenomenon by using the principles of crystal ...
    • Preparation and coordination chemistry of bis-pyridyl diamide ligands 

      Batisai, Eustina (Stellenbosch : University of Stellenbosch, 2010-03)
      ENGLISH ABSTRACT: The number of coordination complexes utilizing bis-pyridyl diamide ligands has increased significantly over the past decade. This is attributed to the relatively easy synthetic procedure of the ligands ...
    • Self-assembly of new porous materials 

      Jacobs, Tia (Stellenbosch : University of Stellenbosch, 2009-03)
      ENGLISH ABSTRACT: The primary objective of the work was to prepare and investigate new porous materials using the principles of crystal engineering. Both organic and metal-organic systems were studied and the work can ...
    • Solid-state dynamics of porous materials 

      Grobler, Ilne (Stellenbosch : Stellenbosch University, 2013-12)
      ENGLISH ABSTRACT: A number of porous metal-organic and organic crystalline materials were prepared with a view to study the solid-state dynamics involved in sorption and guest-exchange processes. The main goal was to gain ...
    • Synthesis and sorption studies of porous metal-organic hosts 

      Batisai, Eustina (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: The first part of this study describes the synthesis of new porous materials from basic building blocks. Five structurally related ligands namely: N,N'-bis(3-pyridylmethyl)-naphthalene diimide (L1), ...
    • Synthetic porous materials : a study of adsorption selectivity and structure-property relationships 

      De Villiers, Dawie (2015-12)
      ENGLISH ABSTRACT: The aim of this thesis was to study structure-property relationships in porous materials using various adapted analytical techniques and in-house instruments. The thesis is divided into two sections, and ...
    • Thermodynamics and kinetics of sorption 

      Marais, Charl Guillaume (Stellenbosch : Stellenbosch University, 2008-12)
      Please refer to full text to view abstract.