Positively and negatively charged functionalized polythiophenes and single walled carbon nanotubes (SWNT) were sequentially adsorbed on indium tin oxide (ITO) electrodes by electrostatic and van der Waals interactions using the layer by layer (LbL) deposition method. Optical, microscopic and spectroelectrochemical properties of mono and multistacks of SWCNT and PT polyelectrolyte containing sulfonate (1) and ammonium (2) side groups, were investigated. Upon illumination, monochromatic incident photoconversion efficiencies of 8.2 and 4.3 % were determined for eight stacks of single walled carbon nanotubes with ammonium and sulphonate polythiophene derivatives, respectively.
Electrostatic LbL construction and characterization of photoelectrochemical solar cells based on water soluble polythiophenes and carbon nanotubes / V., Sgobba; A., Troeger; A., Mateo Alonso; M., Prato; Parenti, Francesca; Cagnoli, Rita; Mucci, Adele; Schenetti, Luisa; D. M., Guldi. - STAMPA. - 238:(2009), pp. N/A-N/A. (Intervento presentato al convegno 238th National Meeting and Exposition of the American Chemical Society, ACS 2009 tenutosi a Washington, DC, usa nel 16-20 agosto).
Electrostatic LbL construction and characterization of photoelectrochemical solar cells based on water soluble polythiophenes and carbon nanotubes
PARENTI, Francesca;CAGNOLI, Rita;MUCCI, Adele;SCHENETTI, Luisa;
2009
Abstract
Positively and negatively charged functionalized polythiophenes and single walled carbon nanotubes (SWNT) were sequentially adsorbed on indium tin oxide (ITO) electrodes by electrostatic and van der Waals interactions using the layer by layer (LbL) deposition method. Optical, microscopic and spectroelectrochemical properties of mono and multistacks of SWCNT and PT polyelectrolyte containing sulfonate (1) and ammonium (2) side groups, were investigated. Upon illumination, monochromatic incident photoconversion efficiencies of 8.2 and 4.3 % were determined for eight stacks of single walled carbon nanotubes with ammonium and sulphonate polythiophene derivatives, respectively.
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