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Part one: Synthesis of carboranes and metallacarboranes for use as molecular building blocks and motors. Part two: The synthesis of self-assembling fullerenes for use in organic photovoltaic devices

Posted on:2010-02-19Degree:Ph.DType:Thesis
University:University of California, Los AngelesCandidate:Kennedy, Robert DanielFull Text:PDF
GTID:2441390002978841Subject:Chemistry
Abstract/Summary:
Chapter I begins with an introduction to modular chemistry and the iodination chemistry of orthocarborane. The synthesis and characterization of a new family of compounds derived from 8-I-closo-1,2-C2B 10H11 is then described. These compounds include the first examples of apically mono-substituted [1-X-nido-C2B 9H11]-- anions (X = I, Ph) and the first example of an axially disubstituted bis(dicarbollide) metal complex.;Chapter II begins with an introduction to chirality and hindered rotation in bis(dicarbollide) metal complexes. The chapter deals with the continuing approaches to molecular unidirectional rotation using bis(dicarbollide) nickel complexes. A combination of single-crystal X-ray diffraction analysis, variable-temperature NMR spectroscopy and computational methods are used to probe the rotational energy barriers of diastereomeric nickel bis(dicarbollide) complexes derived from the [nido-7-CH3-7,8-C2B9 H11]-- anion.;Chapter III begins with a general introduction to organic photovoltaic devices (OPVDs). The synthesis and single-crystal X-ray diffraction analysis of a large series of 6,9,12,15,18-pentaaryl-1-hydro[60]fullerenes, which have potential as acceptors in OPVDs, is then described. The performance of OPVDs fabricated using these derivatives is discussed.
Keywords/Search Tags:Synthesis
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