Rapid Double-Dye-Layer Coating for Dye-Sensitized Solar Cells using a New Method

Cho Long Jung, Chi Hwan Han, Doo Kyung Moon, Yongseok Jun

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Intensive research with the specific aim of developing inexpensive renewable energy sources is currently being undertaken. In dye-sensitized solar cell (DSSC) production, the most time-consuming process is coating the dye on working electrodes: absorption of ruthenium-based dyes [e.g., N719=bis(trtrabutylammonium)-cis-di(thiocyanato)-N,N'-bis(4-carboxylato-4'-carboxylic acid-2,2'-bipyridine) ruthenium(II)] on a photoanode takes a long time. We report a simple dye-coating method using a mixed solvent of ethylene glycol (EG) and glycerol (Gly). According to our experiments, dye-coating time can be reduced to 5 min from several hours. Maximum performance was obtained with an EG/Gly ratio of 1:1. This mixture of solvents gave a performance of 9.1%. Furthermore, the viscous solvent system could control coating depth; positioning dye coatings to a specific depth was rapid and facile. A cell containing two different dyes (N719+black dye) had an efficiency of 9.4%.

Original languageEnglish
Pages (from-to)2839-2844
Number of pages6
JournalChemSusChem
Volume7
Issue number10
DOIs
Publication statusPublished - 2014 Jan 1
Externally publishedYes

Fingerprint

coating
dye
Coloring Agents
Dyes
Coatings
Ruthenium
Ethylene Glycol
ruthenium
Ethylene glycol
Glycerol
ethylene
2,2'-Dipyridyl
Carboxylic Acids
Dye-sensitized solar cells
solar cell
method
Carboxylic acids
carboxylic acid
positioning
electrode

Keywords

  • adsorption
  • dyes/pigments
  • ethylene glycol
  • nanostructures
  • solar cells

ASJC Scopus subject areas

  • Environmental Chemistry
  • Chemical Engineering(all)
  • Materials Science(all)
  • Energy(all)

Cite this

Rapid Double-Dye-Layer Coating for Dye-Sensitized Solar Cells using a New Method. / Jung, Cho Long; Han, Chi Hwan; Moon, Doo Kyung; Jun, Yongseok.

In: ChemSusChem, Vol. 7, No. 10, 01.01.2014, p. 2839-2844.

Research output: Contribution to journalArticle

Jung, Cho Long ; Han, Chi Hwan ; Moon, Doo Kyung ; Jun, Yongseok. / Rapid Double-Dye-Layer Coating for Dye-Sensitized Solar Cells using a New Method. In: ChemSusChem. 2014 ; Vol. 7, No. 10. pp. 2839-2844.
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