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Efficiency enhancement in dye sensitized solar cells through co-sensitization of TiO 2 nanocrystalline electrodes

We have demonstrated that co-sensitization of TiO 2 electrode with an inexpensive rhodamine 19 perchlorate laser dye along with N3 dye not only enhances the incident-photon-to-current conversion efficiency but also reduces dark current. Consequently, the devices yield an average power efficiency of... Full description

Journal Title: Applied Physics Letters 26 March 2012, Vol.100(13)
Main Author: Saxena, Vibha
Other Authors: Veerender, P. , Chauhan, A. K. , Jha, P. , Aswal, D. K. , Gupta, S. K.
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: © 2012 American Institute of Physics (AIP)
ID: ISSN: 0003-6951 ; E-ISSN: 1077-3118 ; DOI: 10.1063/1.3697987
Link: http://dx.doi.org/10.1063/1.3697987
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recordid: aip_complete10.1063/1.3697987
title: Efficiency enhancement in dye sensitized solar cells through co-sensitization of TiO 2 nanocrystalline electrodes
format: Article
creator:
  • Saxena, Vibha
  • Veerender, P.
  • Chauhan, A. K.
  • Jha, P.
  • Aswal, D. K.
  • Gupta, S. K.
subjects:
  • Organic Electronics And Photonics
ispartof: Applied Physics Letters, 26 March 2012, Vol.100(13)
description: We have demonstrated that co-sensitization of TiO 2 electrode with an inexpensive rhodamine 19 perchlorate laser dye along with N3 dye not only enhances the incident-photon-to-current conversion efficiency but also reduces dark current. Consequently, the devices yield an average power efficiency of 4.7% as against 2.3% and 0.6% obtained for N3 and rhodamine 19 perchlorate dye based devices, respectively. The improvement in efficiency is attributed to the enhanced dye absorption on TiO 2 electrode as well as reduced dye aggregation that resulted from the usage of two dyes on different anchoring sites of single TiO 2 electrode.
language: eng
source: © 2012 American Institute of Physics (AIP)
identifier: ISSN: 0003-6951 ; E-ISSN: 1077-3118 ; DOI: 10.1063/1.3697987
fulltext: fulltext
issn:
  • 0003-6951
  • 1077-3118
  • 00036951
  • 10773118
url: Link


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titleEfficiency enhancement in dye sensitized solar cells through co-sensitization of TiO 2 nanocrystalline electrodes
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subjectOrganic Electronics And Photonics
descriptionWe have demonstrated that co-sensitization of TiO 2 electrode with an inexpensive rhodamine 19 perchlorate laser dye along with N3 dye not only enhances the incident-photon-to-current conversion efficiency but also reduces dark current. Consequently, the devices yield an average power efficiency of 4.7% as against 2.3% and 0.6% obtained for N3 and rhodamine 19 perchlorate dye based devices, respectively. The improvement in efficiency is attributed to the enhanced dye absorption on TiO 2 electrode as well as reduced dye aggregation that resulted from the usage of two dyes on different anchoring sites of single TiO 2 electrode.
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descriptionWe have demonstrated that co-sensitization of TiO 2 electrode with an inexpensive rhodamine 19 perchlorate laser dye along with N3 dye not only enhances the incident-photon-to-current conversion efficiency but also reduces dark current. Consequently, the devices yield an average power efficiency of 4.7% as against 2.3% and 0.6% obtained for N3 and rhodamine 19 perchlorate dye based devices, respectively. The improvement in efficiency is attributed to the enhanced dye absorption on TiO 2 electrode as well as reduced dye aggregation that resulted from the usage of two dyes on different anchoring sites of single TiO 2 electrode.
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abstractWe have demonstrated that co-sensitization of TiO 2 electrode with an inexpensive rhodamine 19 perchlorate laser dye along with N3 dye not only enhances the incident-photon-to-current conversion efficiency but also reduces dark current. Consequently, the devices yield an average power efficiency of 4.7% as against 2.3% and 0.6% obtained for N3 and rhodamine 19 perchlorate dye based devices, respectively. The improvement in efficiency is attributed to the enhanced dye absorption on TiO 2 electrode as well as reduced dye aggregation that resulted from the usage of two dyes on different anchoring sites of single TiO 2 electrode.
pubAmerican Institute of Physics
doi10.1063/1.3697987
date2012-03-26