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Spring 2022
Nanomaterials based upon Group 14 elements (i.e., silicon and germanium) are drawing a great deal of attention from researchers since they are biocompatible and exhibit unique optical and electronic properties. Surface functionalization, which is one of the most critical aspects of nanomaterial...
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Spring 2015
Silicon nanocrystals (SiNCs) have been suggested as promising candidates for bioimaging because of their abundance, biocompatibility, and stable photoluminescent properties. However, “naked” SiNCs are insoluble in water and very reactive. As a result, NC surface functionalization is necessary to...
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Fall 2017
The elements of Group 14 show an extensive range of chemical behaviors. Lying at the boundary between metals and non-metals, some members of Group 14, namely silicon and germanium, are intermediate in their properties. These semiconductors are extremely important in science and technology. Si,...
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Synthesis, Surface Functionalization of Germanium Nanoparticles, and Their Application in Polymer Hybrid Solar Cells
DownloadSpring 2020
Germanium nanoparticles (GeNPs) have immense potential in various applications, such as opto-electronics, batteries, bioimaging, etc. Germanium has a small band gap (0.67 eV in bulk), large exciton Bohr radius (~24 nm), high absorption coefficient (ca. 2.0 × 105 cm 1 at 2 eV), and high carrier...
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The Influence of Specific Ions and System Architecture on the Recognition and Reactivity of Two Charged Materials: DNA-Modified Gold Nanoparticle Aggregates and Planar Silica
DownloadFall 2014
DNA functionalized gold nanoparticles (GNP–DNA) offer simple colorimetric nucleic acid sensing with high selectivity and sensitivity. Consequently, they are promising in genetic profiling, disease diagnostics, and forensic applications. In the presence of a target nucleic acid, GNP–DNA forms...
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Fall 2017
This thesis will discuss the charge dynamics of dangling bonds (DBs) on the hydrogen terminated Si(100) surface under the effects of temperature and perturbations from local electric fields. The experimental methods are then extended towards DB chains. Electronic time resolved imaging techniques...
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Fall 2016
Engineered nanomaterials (NMs), tiny synthetic materials having at least one dimension between one and one hundred billionths of a metre, are increasingly being developed for and incorporated into a myriad of commercial, consumer, and industrial applications due to their unique and tailorable...
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Spring 2021
Emulsion flooding and heavy oil recovery by in-situ emulsion formation have been reported to show great potential in enhancing heavy oil recovery. Emulsion stability is the key issue controlling the success of this process; conventionally, surfactants were used to facilitate emulsification and...