The Synthesis and Morphological Characterization of n-doped and p-doped ZnO Nanomaterials for Dye Sensitized Solar Cell Application

Sule Erten Ela^a, Mesut Ekmekci^a

^aEge University Solar Energy Institute, Ege University Solar Energy Institute 35100 Bornova Izmir Turkey, Izmir, 35100, Turkey

International Conference on Hybrid and Organic Photovoltaics
Proceedings of International Conference on Hybrid and Organic Photovoltaics 2015 (HOPV15)

Roma, Italy, 2015 May 11th - 13th

Organizer: Filippo De Angelis

Poster, Sule Erten Ela, 386
Publication date: 5th February 2015

Dye sensitized solar cells have attracted considerable attention due to their low cost fabrication processes and potential application in flexible devices. Usually, TiO₂ nanoparticle films with transparent conductive oxide (TCO) layers are used as the photoelectrode in DSSC because of their adequate surface area and chemical affinity for the dye adsorption as well as their suitable energy band potential for charge transfer between the dye and electrolytes. However ZnO nanomaterials are promising for DSSC application.^1-3 In this study, n-doped and p-doped zinc oxide nanostructures were prepared using microwave oven. ZnO nanostructures were doped in different concentrations. Zinc oxide nanostructures were doped with silver and aluminum in different dopant concentrations. The Ag and Al concentrations were varied from 0.5 to 3 mol % in ZnO crystalline structure. We investigated the n-doped and p-doped materials. Nanostructures were analysed using XRD and SEM and EDX techniques. Dye sensitized solar cells were fabricated and characterized using doped ZnO nanostructures.

[1] Oregan, B.; Gra¨tzel, M. Nature 2004, 353, 737. [2] Jiang, C. Y.; Sun, X. W.; Tan, K. W.; Lo, G. Q.; Kyaw, A. K.; Kwong, D. L. Appl. Phys. Lett. 2008, 92, 143101. [3] Law, M.; Greene, L. E.; Johnson, J. C.; Saykally, R.; Yang, P. D. Nat. Mater. 2005, 4, 455.

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