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Full-Text Articles in Other Chemical Engineering
Novel Synthesis Of Cigs Nanoparticles For Scalable, Benign Inks For Solution Processed Solar Cells, Jacob Fields, Ryan Ellis, Rakesh Agrawal
Novel Synthesis Of Cigs Nanoparticles For Scalable, Benign Inks For Solution Processed Solar Cells, Jacob Fields, Ryan Ellis, Rakesh Agrawal
The Summer Undergraduate Research Fellowship (SURF) Symposium
One potential production route to high efficiency, low cost, photovoltaics (PVs) which was explored is Copper Indium Gallium Sulfide (CIGS) nanocrystal inks for solution processed PVs. A common CIGS nanocrystal ink synthesis utilizes ligands—molecules attached to the particle surface—for colloidal stability, size control, and shape control. It is desirable to devise a novel synthesis which will incorporate a ligand that allows suspensions in more benign solvents than current methods—a desirable characteristic for large scale production. In order to develop the aforementioned synthesis of CIGS nanoparticles, an optimization study of synthesis parameters was performed. Selection of an appropriate solvent, and sulfur …
Dissolution Of Chalcogens In Amine Thiol Solvents For Use In Nanoparticles, Gaurav A. Mittal, Caleb K. Miskin, Rakesh Agrawal
Dissolution Of Chalcogens In Amine Thiol Solvents For Use In Nanoparticles, Gaurav A. Mittal, Caleb K. Miskin, Rakesh Agrawal
The Summer Undergraduate Research Fellowship (SURF) Symposium
Lead chalcogenide quantum dots have been shown to be ideal materials for solar cells due to their tunable band gap. Developing a dissolution procedure for chalcogens will help lower the production cost of the solar cells produced by the associated nanoparticles. Dissolution was performed in both aqueous and nonaqueous solutions. Precursors for sulfur and selnium were dissolved in both the aqueous solution of ammonium thioglycolate and ammonium hydroxide and in combinations of amines and thiols. Precursors for tellurium were dissolved in ethylenediamine and different thiols. Lead telluride forms larger microparticles that can be suitable for thermoelectric devices. The optimum solutions …
Carbon Dioxide Sequestration To Form Calcium Carbonate Nanoparticles, Krista E. Stump, Michael T. Harris
Carbon Dioxide Sequestration To Form Calcium Carbonate Nanoparticles, Krista E. Stump, Michael T. Harris
The Summer Undergraduate Research Fellowship (SURF) Symposium
The emission of carbon dioxide caused by burning fossil fuels is one of the leading sources of global warming. Reducing the amount of CO2 released into the atmosphere through carbon sequestration can mitigate this problem. One method of carbon sequestration is the use of a carbon dioxide scrubber. Once captured, CO2 can be used to create a valuable chemical commodity such as calcium carbonate nanoparticles. To create CaCO3 particles in the 50-100 nanometer range, a chemical additive is necessary to limit particle size. The study used a laboratory scale carbon dioxide scrubber to react CO2 with …
The Kinetics Of A Palladium Precursor – Tobacco Mosaic Virus Reaction, Adi Banerjee, Mayo Adigun, Michael T. Harris
The Kinetics Of A Palladium Precursor – Tobacco Mosaic Virus Reaction, Adi Banerjee, Mayo Adigun, Michael T. Harris
The Summer Undergraduate Research Fellowship (SURF) Symposium
There have been numerous developments in the field of production of metallic nanoparticles using biotemplates such as the Tobacco Mosaic Virus (TMV). Past research has looked at the conditions required to maximise nanoparticle formation. This study of the kinetics of a nanomaterial synthesis reaction using a biotemplate would elucidate the understanding of the controlled growth of nanoparticles, which can be applied in the fabrication of photocatalysts, electrical nanocircuits and solar cells. This study specifically focuses on the reaction between a palladium precursor and the TMV without an external reducing agent, where the palladium ion concentration is measured over time using …