Dye Sensitized Solar Cells with Low Cost Carbon Nanotubes Electrodes

Abstract

Dye sensitized solar cells (DSSCs) are very sensitive to electrodes, due to either high cost or easy corrosion problems. To minimize these factors, we present DSSCs with cheap carbon nanotubes as counter electrodes. In addition, we suggest replacing the electrolyte (in typical DSSCs) with a solid film of powdered CsSnI3. The electrical behavior (I-Vcharacteristics) of the proposed device has been measured for different shading conditions. In the light of a theoretical model based on the presence of two diodes, the experimental data have been explained, taking into account a new equivalent circuit for the DSSC. These DSSCs may receive different levels of sun radiation, which stimulates the study of partial shading; so, we have studied the effect of different shadow rates on the solar conversion efficiency of a unit of 4-W-connected DSSCs. The validity of the present model has been examined by fitting it intoI-Vcharacteristics at different shading rates.

Research Progress on Photosensitizers for DSSC

“…In view of a desirable large-scale production of DSSC, different and cheaper catalysts need to be optimized. In this context nanocarbon materials as graphene (Wang and Hu, 2012 ; Tasis, 2017 ) and carbon nanotubes (Hwang et al, 2015 ; Al-Marzouki et al, 2016 ) have been investigated with promising results.…”

Enhanced performance by heteroatom‐doped reduced grapheneoxide‐TiO2‐based nanocomposites as photoanodes in dye‐sensitised solar cells

“…1 Hence, various researchers have reported different approaches to restrict charge recombination and improve PCE. 2,3 Such approaches involve the use of nanocrystalline materials from zero-dimensional (nanoparticles), 4 one-dimensional nanostructures (such as nanowires, nanorods, and nanotubes), 5,6 and two-dimensional nanostructures (nanosheets), 7 to suppress electron-hole recombination.…”

Metal-free polymer/MWCNT composite fiber as an efficient counter electrode in fiber shape dye-sensitized solar cells

“…Carbon-based materials like carbon fiber modified with CdS nanowire were used as the core electrode for both polymer solar cells and DSSCs, as fibers with low efficiency up to 0.033% [26]. Al-Marzouki et al reported on quick and low cost synthesis and large scale with reasonable performance (4.75%) [27]. Conductive carbon fiber was also used as a counter electrode in the textile-based DSSC with reasonable efficiencies up to 6.93% [28].…”