Peptide-templating dye-sensitized solar cells

Tae Hee Han, Hyoung Seok Moon, Jin Ok Hwang, Sang Il Seok, Sang Hyuk Im, Sang Ouk Kim

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

A hollow TiO2 nanoribbon network electrode for dye-sensitized solar cells (DSSC) was fabricated by a biotemplating process combining peptide self-assembly and atomic layer deposition (ALD). An aromatic peptide of diphenylalanine was assembled into a three-dimensional network consisting of highly entangled nanoribbons. A thin TiO2 layer was deposited at the surface of the peptide template via the ALD process. After the pyrolysis of the peptide template, a highly entangled nanotubular TiO2 framework was successfully prepared. Evolution of the crystal phase and crystallite size of the TiO2 nanostructure was exploited by controlling the calcination temperature. Finally, the hollow TiO2 nanoribbon network electrode was integrated into DSSC devices and their photochemical performances were investigated. Hollow TiO2 nanoribbon-based DSSCs exhibited a power conversion efficiency of 3.8%, which is comparable to the conventional TiO 2 nanoparticle-based DSSCs (3.5%). Our approach offers a novel pathway for DSSCs consisting of TiO2 electrodes via biotemplating.

Original languageEnglish
Article number185601
JournalNanotechnology
Volume21
Issue number18
DOIs
Publication statusPublished - 2010 Apr 21
Externally publishedYes

Fingerprint

Nanoribbons
Carbon Nanotubes
Peptides
Coloring Agents
Electrodes
Atomic layer deposition
Nanostructures
Crystallite size
Calcination
Nanoparticles
Self assembly
Conversion efficiency
Pyrolysis
Equipment and Supplies
Crystals
Temperature
Dye-sensitized solar cells

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

Han, T. H., Moon, H. S., Hwang, J. O., Seok, S. I., Im, S. H., & Kim, S. O. (2010). Peptide-templating dye-sensitized solar cells. Nanotechnology, 21(18), [185601]. https://doi.org/10.1088/0957-4484/21/18/185601

Peptide-templating dye-sensitized solar cells. / Han, Tae Hee; Moon, Hyoung Seok; Hwang, Jin Ok; Seok, Sang Il; Im, Sang Hyuk; Kim, Sang Ouk.

In: Nanotechnology, Vol. 21, No. 18, 185601, 21.04.2010.

Research output: Contribution to journalArticle

Han, TH, Moon, HS, Hwang, JO, Seok, SI, Im, SH & Kim, SO 2010, 'Peptide-templating dye-sensitized solar cells', Nanotechnology, vol. 21, no. 18, 185601. https://doi.org/10.1088/0957-4484/21/18/185601
Han TH, Moon HS, Hwang JO, Seok SI, Im SH, Kim SO. Peptide-templating dye-sensitized solar cells. Nanotechnology. 2010 Apr 21;21(18). 185601. https://doi.org/10.1088/0957-4484/21/18/185601
Han, Tae Hee ; Moon, Hyoung Seok ; Hwang, Jin Ok ; Seok, Sang Il ; Im, Sang Hyuk ; Kim, Sang Ouk. / Peptide-templating dye-sensitized solar cells. In: Nanotechnology. 2010 ; Vol. 21, No. 18.
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