Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 5 of 5 for “"Chalcogens"”.
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Charge Transport in Field-Effect and Ion-Gel Gated Conjugated Polymers
… this thesis, we not only explore the effects of chalcogens on the field-effect charge transport properties of such materials but also examine the effect of chalcogens upon doping. It is considered that interchain interactions are enhanced by introducing a single chalcogen atom into the backbone …
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Computational investigations of the electronic structure of molecular actinide compounds
… S, Se, Te) analogues the geometry bends for all chalcogens heavier than O. The UE2 2+ analogues remain linear all the way down group 16. In U(NCH3)2 2+ the formation of a {pi} “back bone” along the axis of the molecule was noted. The {sigma}-bonding valence MOs stabilize while the {pi} MOs are …
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Synthesis and Coordination Chemistry of Functionalised Phosphazanes
… the P$^III$ dianions [S-P(μ-N$^t$Bu)]$^2_2-$ by chalcogens to give the more stable P$^V$ species [(E=)P$^V$(-S)(μ-N$^t$Bu)]$^2_2-$ (E = S, Se). The increase in stability and lower reducing ability of the P$^V$ dianion allowed the formation of complexes with transition and main group metals. …
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Femtosecond-laser irradiation as a platform for tailoring the optoelectronic properties of silicon
… Fs-laser hyperdoping of silicon with chalcogens has been shown to extend the responsivity of silicon photodiodes into the near-infrared and increase absorption in the visible and infrared. First, hyperdoping from a thin-film dopant precursor is investigated through the comparative …