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Electrochemical Method for Fabrication of Photovoltaic Fibers based on Tungsten Oxide

Munoz Cordoba, Linda Magaly
http://rave.ohiolink.edu/etdc/view?acc_num=ysu1567964810796721

Abstract Details

2019, Master of Science in Chemistry, Youngstown State University, Department of Chemistry.
Manufacture of photovoltaic (PV) clothing, which can absorb sunlight and generate an electrical potential, has long been an objective for the military and for avantgarde fashion designers. Early designs simply consisted of pinning small PV modules onto regular garments. A more sophisticated approach has emerged, where the objective is to deposit PV material on the individual threads of the textile. That is the primary focus of this research: to develop a procedure for fabricating a photovoltaic cell, using tungsten oxide, WO3, as the semiconductor PV material and steel thread as the substrate. Various procedures for making thin films of WO3 via electrodeposition were examined. All of the procedures started by preparing a plating solution of peroxotungstate ion, W2O112-. It was found that Pt black powder should be added to the solution after W2O112- formation to consume excess hydrogen peroxide. Purging the solution with Ar before electrodeposition and stirring it during electrodeposition increased the deposition rate. Annealing the WO3 film at 450 ℃ was necessary to form a stable oxide, but it also caused shrinkage, resulting in a segmented coating on the steel thread. This coating was electroactive but not photoactive. The effect of substrate was examined by depositing WO3 on In-doped tin oxide (ITO). The WO3 film on ITO was uniform, but quite fragile, and did not exhibit any photoeffects. Thus while electroactive WO3 films could be fabricated, the desired photoeffect was not observed. Future work should concentrate on the junction characteristics of these films, which must exhibit solid state depletion layer behavior to be an effective PV device.
Clovis Linkous, PhD (Advisor)
Sherri Lovelace-Cameron, PhD (Committee Member)
Christopher Arntsen, PhD (Committee Member)
106 p.
Chemistry; Energy; Engineering; Inorganic Chemistry
Photovoltaic fibers; Tungsten oxide; Electrochemical methods; Electrodeposition

Recommended Citations

Citations

  • Munoz Cordoba, L. M. (2019). Electrochemical Method for Fabrication of Photovoltaic Fibers based on Tungsten Oxide [Master's thesis, Youngstown State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1567964810796721

    APA Style (7th edition)

  • Munoz Cordoba, Linda. Electrochemical Method for Fabrication of Photovoltaic Fibers based on Tungsten Oxide. 2019. Youngstown State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ysu1567964810796721.

    MLA Style (8th edition)

  • Munoz Cordoba, Linda. "Electrochemical Method for Fabrication of Photovoltaic Fibers based on Tungsten Oxide." Master's thesis, Youngstown State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1567964810796721

    Chicago Manual of Style (17th edition)

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This open access ETD is published by Youngstown State University and OhioLINK.