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Screen-printed PEDOT:PSS/halloysite counter electrodes for dye-sensitized solar cells
Authors: Gemeiner Pavol | Kulicek Jaroslav | Syrový Tomáš | Haz Ales | Khunova Viera | Hatala Michal | Mikula Milan | Hvojnik Matej | Gal Lukas | Jablonsky Michal | Omastova Maria
Year: 2019
Type of publication: článek v odborném periodiku
Name of source: Synthetic Metals
Publisher name: Elsevier Science SA
Place: Lausanne
Page from-to: "116148-1"-"116148-10"
Titles:
Language Name Abstract Keywords
cze Sítotiskem tištěné PEDOT:PSS/Halloysite protielektrody pro DSSC články Článek byl zaměřen na výzkum tiskových formulací a tisk protielektrod na bázi kompozitů PEDOT:PSS/halloysite nanotrubic. Ty byly použity jako protielektrody u DSSC článků. PEDOT:PSS; Halloysite nanotrubice; protielektroda; sítotisk; tištěná elektronika
eng Screen-printed PEDOT:PSS/halloysite counter electrodes for dye-sensitized solar cells In this work, water-based and viscous screen-printing inks composed of conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrene-sulfonate) (PEDOT:PSS) and insulating halloysite nanotubes as a filler (HNTs) with different organic additives were prepared by simply homogenization process. PEDOT:PSS/HNTs inks were screen-printed onto FTO substrates and were used as counter electrodes (CEs) in dye-sensitized solar cells (DSSCs). Incorporation of HNTs leads to a significant increase in ink thermal stability evaluated by TGA. XPS results indicate that simple homogenization process of PEDOT:PSS and HNTs led to the formation of compact PEDOT:PSS/HNTs nanocomposite structure where components are linked by physical interactions. Screen-printed PEDOT:PSS/HNTs CEs with 1 wt% of HNTs reached the highest conductivity (381 S/cm). Moreover, the positive effect of HNTs filler in CEs was confirmed by electrochemical measurements (CV and EIS). DSSCs with screen-printed PEDOT:PSS/HNTs CEs have overall better photovoltaic properties with approximate to 15% increase in the conversion efficiency (eta = 4.5%) compared to PEDOT:PSS CEs. PEDOT:PSS; Halloysite nanotubes; Dye-sensitized solar cells; Counter electrode; Screen-printing; Printed electronics

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