Improvement of electron transport by low-temperature chemically assisted sintering in dye-sensitized solar cell

Kyungkon Kim, Gi Won Lee, Kicheon Yoo, Dong Young Kim, Jun Kyung Kim, Nam Gyu Park

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

We have succeeded in preparing TiO2 film at low-temperature using a binder-free paste and a process of low-temperature crystallization of anatase formed from hydrolysis of TiCl4 at 150 °C. The electron diffusion coefficient of the chemically assisted sintered dye-sensitized solar cell (DSSC) was 3 times larger at the 1 × 1017 photons flux than that of non-sintered one. This is thought to be ascribed from the formation of inter-connecting TiO2 between the TiO2 nanoparticles by chemically assisted sintering process.

Original languageEnglish
Pages (from-to)144-147
Number of pages4
JournalJournal of Photochemistry and Photobiology A: Chemistry
Volume204
Issue number2-3
DOIs
StatePublished - 20 May 2009

Bibliographical note

Funding Information:
This work was supported in part by the Korea Institute of Science and Technology (KIST) Institutional Programs (2E20750), and the Ministry of Education, Science and Technology (MEST) Research Programs under the contract number of 2N31000.

Keywords

  • Chemically assisted sintering
  • Dye-sensitized solar cell
  • Interparticle connection
  • Low-temperature coating

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