Aerosol preparation of a nanostructured composite of titanium dioxide and poly(3-octyl)thiophene

Carolien L. Huisman; Albert Goossens; Joop Schoonman

doi:10.1117/12.452444

26 February 2003 Aerosol preparation of a nanostructured composite of titanium dioxide and poly(3-octyl)thiophene

Carolien L. Huisman, Albert Goossens, Joop Schoonman

Proceedings Volume 4801, Organic Photovoltaics III; (2003) https://doi.org/10.1117/12.452444
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

Using an aerosol technique, in which ultrasonically formed droplets of titanium tetraisopropoxide are pyrolysed, thin films of nanosized particles of anatase TiO₂ can be deposited. The size of the particles and the film morphology are strongly dependent on deposition parameters like reaction temperature, concentration of the precursor, and gas flow. At best, films can be formed consisting of homogeneous, stoichiometric anatase TiO₂ particles with a size of about 50 nanometer. With these films, solar cells have been constructed by spin casting poly(3-octyl)thiophene (P3OT) on top. Cell characteristics of the devices with a 1 μm film of TiO₂ and an equivalence of 30 nm of PT inside the pores are I_sc: 0.25 mA/cm², V_oc: 0.72 V, FF: 0.35 and η: 0.06% using white light with an intensity of 1000 W/m² (not AM 1.5). The IPCE is 2.5% at 488 nm.

Citation Download Citation

Carolien L. Huisman, Albert Goossens, and Joop Schoonman "Aerosol preparation of a nanostructured composite of titanium dioxide and poly(3-octyl)thiophene", Proc. SPIE 4801, Organic Photovoltaics III, (26 February 2003); https://doi.org/10.1117/12.452444

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