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Investigation of flow-limited field-injection electrostatic spraying for nanofabrication and direct-write patterning: Application to dye-sensitized solar cells

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Title: Investigation of flow-limited field-injection electrostatic spraying for nanofabrication and direct-write patterning: Application to dye-sensitized solar cells
Author(s): Heil, Philip
Director of Research: Kim, Kyekyoon
Doctoral Committee Chair(s): Kim, Kyekyoon
Doctoral Committee Member(s): Choi, Hyungsoo; Cahill, David G.; Rockett, Angus A.; Martin, Lane W.
Department / Program: Materials Science & Engineerng
Discipline: Materials Science & Engr
Degree Granting Institution: University of Illinois at Urbana-Champaign
Degree: Ph.D.
Genre: Dissertation
Subject(s): Dye-sensitized Solar cell Flow-limited field-injection electrostatic spraying (FFESS) Titanium dioxide (TiO2) Nanoparticle Nanofiber
Abstract: There is much interest in the development of technologies which can enhance the performance of dye-sensitized solar cells (DSCs), due to their promising efficiencies relative to the low cost of materials and manufacturing. Achieving high efficiency DSCs involves optimization of the absorption of light and transport of carriers in the active layers, which requires a precisely controlled nanostructure of the mesoporous titanium dioxide (TiO2) electrode. This work concentrates on the investigation of flow-limited field-injection electrostatic spraying (FFESS) and its application in the advancement of dye-sensitized solar cell research. This includes a fundamental investigation of FFESS for patterning of DSC materials, and the generation and control of TiO2 nanostructures and composite electrodes using this process, which prove effective in improving DSC performance. In addition, a surface treatment of the DSC electrodes is performed to investigate the relationships between the performance and the morphology and surface chemistry of the TiO2, and their impact on fundamental transport phenomena.
Issue Date: 2012-09-18
URI: http://hdl.handle.net/2142/34411
Rights Information: Copyright 2012 Philip Edward Heil
Date Available in IDEALS: 2012-09-18
Date Deposited: 2012-08
 

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