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Home > City College > Dissertations and Theses > 625
Dissertations and Theses
Title
(also available for Windows Mac Linux iPhone/iPad Android) f.lux makes your computer screen look like the room you're in, all the time. When the sun sets, it makes your computer look like your indoor lights. Erased the Internal SSD drive with Disk Utility and Installed Mac OS X 10.8 fresh. Booted newly installed Mac OS X 10.8 and opened App Store (App Store still works fine just a little slow rendering images). The Mac OS 10.8 App Store would ONLY download the 19MB High Sierra Installer AGAIN!!! So I proceeded with that.
Naomi MacIntosh, Producer: Shakespeare Lives! Naomi MacIntosh is a producer, known for Shakespeare Lives! (1982) and Question Time (1979).
Author
Date of Award
2014
Document Type
Thesis
Department
Chemical Engineering
First Advisor
Ilona Kretzachmar
Keywords
solar cells, ionic liquid, inverse opal
Abstract
Dye-sensitized solar cells (DSSC) are low-cost alternatives to conventional solar cells that can work well in low-light conditions. Despite considerable study on improving the efficiency of DSSCs, the current liquid electrolyte cell has plateaued at a conversion efficiency of ~ 12%. A major problem with these cells regarding their applicability is the low viscosity and high volatility of the toxic electrolyte, i.e., acetonitrile, which cause leakage and volatilization. We propose that using ionic liquids (ILs), which are more viscous, less volatile, and conductive, may be more suitable electrolytes. However, one unwanted side effect of the higher viscosity of the ILs may be an incomplete infiltration of the DSSC’s nanoporous TiO2 electrode. Here, we present a study of DSSCs with TiO2 inverse opal electrodes of controlled pore sizes (0.1-1 m) and ionic liquid derivatives of 1-alkyl-3-methylimidazolium tetrafluoroborate (alkyl: ethyl, butyl, and decyl) with viscosities ranging from 25.2 to 721 cP. The stability and functionality of the DSSCs is tested using electrochemical techniques that yield current-voltage and power curves.
Recommended Citation
Naomi Osaka Citizenship
Ramesar, Naomi S., 'Effect of Ionic Liquid Electrolytes in DSSCs with Titanium Dioxide (TiO2) Inverse Opal Structures' (2014). CUNY Academic Works.
https://academicworks.cuny.edu/cc_etds_theses/625
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