Effect of the TiO2 Anchoring of a Hydrophobic Ionic Liquid in a Fully Aqueous DSSC

Kisiev Salgado-Castro; Irina V. Lijanova; David Jaramillo-Vigueras; Jazmin N. Castillo-Cervantes

doi:10.1109/JPHOTOV.2019.2943619

Effect of the TiO₂ Anchoring of a Hydrophobic Ionic Liquid in a Fully Aqueous DSSC

Kisiev Salgado-Castro, Irina V. Lijanova, David Jaramillo-Vigueras, Jazmin N. Castillo-Cervantes

Centro de Investigación e Innovación Tecnológica (CIITEC)

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

This article describes the effect on the efficiency of a fully aqueous dye-sensitized solar cell (DSSC) after the anchoring of the hydrophobic and halogen-free ionic liquid (IL) trioctylmethyl ammonium dodecanedioate (DTMA) on its titanium oxide (TiO₂) photo-anode surface. In comparison with nontreated DTMA DSSCs, efficiency increments of 137% and 176% were observed when azo dye Red Reactive 2 and N3 dye were employed as sensitizers, respectively. Since V_OC and I_SC were increased, it was concluded that DTMA reinforced the dye-TiO₂ anchoring, shifted negatively the levels of photo-anode conduction bands, improved electron injection, and reduced recombination losses.

Original language	English
Article number	8863120
Pages (from-to)	1708-1715
Number of pages	8
Journal	IEEE Journal of Photovoltaics
Volume	9
Issue number	6
DOIs	https://doi.org/10.1109/JPHOTOV.2019.2943619
State	Published - Nov 2019

Keywords

Aqueous dye-sensitized solar cell (DSSC)
azo
ionic liquid (IL)
photo-anode
surface treatment

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10.1109/JPHOTOV.2019.2943619

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title = "Effect of the TiO2 Anchoring of a Hydrophobic Ionic Liquid in a Fully Aqueous DSSC",

abstract = "This article describes the effect on the efficiency of a fully aqueous dye-sensitized solar cell (DSSC) after the anchoring of the hydrophobic and halogen-free ionic liquid (IL) trioctylmethyl ammonium dodecanedioate (DTMA) on its titanium oxide (TiO2) photo-anode surface. In comparison with nontreated DTMA DSSCs, efficiency increments of 137% and 176% were observed when azo dye Red Reactive 2 and N3 dye were employed as sensitizers, respectively. Since VOC and ISC were increased, it was concluded that DTMA reinforced the dye-TiO2 anchoring, shifted negatively the levels of photo-anode conduction bands, improved electron injection, and reduced recombination losses.",

keywords = "Aqueous dye-sensitized solar cell (DSSC), azo, ionic liquid (IL), photo-anode, surface treatment",

author = "Kisiev Salgado-Castro and Lijanova, {Irina V.} and David Jaramillo-Vigueras and Castillo-Cervantes, {Jazmin N.}",

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T1 - Effect of the TiO2 Anchoring of a Hydrophobic Ionic Liquid in a Fully Aqueous DSSC

AU - Salgado-Castro, Kisiev

AU - Lijanova, Irina V.

AU - Jaramillo-Vigueras, David

AU - Castillo-Cervantes, Jazmin N.

PY - 2019/11

Y1 - 2019/11

N2 - This article describes the effect on the efficiency of a fully aqueous dye-sensitized solar cell (DSSC) after the anchoring of the hydrophobic and halogen-free ionic liquid (IL) trioctylmethyl ammonium dodecanedioate (DTMA) on its titanium oxide (TiO2) photo-anode surface. In comparison with nontreated DTMA DSSCs, efficiency increments of 137% and 176% were observed when azo dye Red Reactive 2 and N3 dye were employed as sensitizers, respectively. Since VOC and ISC were increased, it was concluded that DTMA reinforced the dye-TiO2 anchoring, shifted negatively the levels of photo-anode conduction bands, improved electron injection, and reduced recombination losses.

AB - This article describes the effect on the efficiency of a fully aqueous dye-sensitized solar cell (DSSC) after the anchoring of the hydrophobic and halogen-free ionic liquid (IL) trioctylmethyl ammonium dodecanedioate (DTMA) on its titanium oxide (TiO2) photo-anode surface. In comparison with nontreated DTMA DSSCs, efficiency increments of 137% and 176% were observed when azo dye Red Reactive 2 and N3 dye were employed as sensitizers, respectively. Since VOC and ISC were increased, it was concluded that DTMA reinforced the dye-TiO2 anchoring, shifted negatively the levels of photo-anode conduction bands, improved electron injection, and reduced recombination losses.

KW - Aqueous dye-sensitized solar cell (DSSC)

KW - azo

KW - ionic liquid (IL)

KW - photo-anode

KW - surface treatment

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EP - 1715

JO - IEEE Journal of Photovoltaics

JF - IEEE Journal of Photovoltaics

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Effect of the TiO₂ Anchoring of a Hydrophobic Ionic Liquid in a Fully Aqueous DSSC

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