Enhanced efficiency of the dye-sensitized solar cells by excimer laser irradiated carbon nanotube network counter electrode

Abstract

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Influences of sintering temperature on low-cost carbon paste based counter electrodes for dye-sensitized solar cells

“…20) Hence, the Warburg impedance element has been omitted from the model without influence on the fitted results of impedance parameters. 12) The internal resistance is mainly composed of the series resistance (R 0 ) and the charge transfer resistance (R ct ). 21) As known, the R 0 describes the bulk resistance of electrodes and contacts.…”

“…Over the past years, several varieties of carbonaceous materials (such as graphene, graphene oxide, graphite, carbon black, carbon nanotubes, mesoporous carbon, and so forth) have been extensively explored for substituting Pt electrode. [7][8][9][10][11][12][13][14][15] Among the carbonaceous materials, carbon paste (CP) is a promising candidate for DSSC applications because it is easily obtainable at minimal costs. 16) Furthermore, after sintering, the film layer exhibits good corrosion resistance to acid, alkali, and solvent, suitable for use in CE.…”

Application of a Noncarboxylated Dye Compound in a Dye-Sensitized Solar Cell Containing a Cyclodextrin Layer

“…The maximum conversion efficiency of DSSCs reported to date is ∼10% [10]; however, the conversion efficiency values remain to date significantly lower than the expected theoretical values [11] for inorganic solar cells. To address this issue, various parameters of the DSSC have been examined such as the photoanode, the counter electrode, and the optical properties of the dye and the electrolyte [12][13][14][15][16][17][18][19]. To improve cell performance, studies on the inclusion of a cyclodextrin-(CD-) based layer in the photoanode of DSSCs, though rare, have been reported, as exemplified.…”

Conductivity enhancement of multiwalled carbon nanotube thin film via thermal compression method

“…Y. S. Chien et al [12] have reported the laser treatment on a Pt-decorated CNTF for enhancing the efficiency of the dye-sensitized solar cells. Also, M. Joo and M. Lee [13] applied the laser treatment on a solution-deposited CNTF for improving its conductivity.…”

“…To improve the conductivity of pristine CNTF, B. Pradhan et al [ 11 ] have introduced a composite of CNT and polymer to increase mobility for carrier transport. Y. S. Chien et al [ 12 ] have reported the laser treatment on a Pt-decorated CNTF for enhancing the efficiency of the dye-sensitized solar cells. Also, M. Joo and M. Lee [ 13 ] applied the laser treatment on a solution-deposited CNTF for improving its conductivity.…”