An all carbon counter electrode for dye sensitized solar cells

Byunghong Lee, D. Bruce Buchholz, Robert P. H. Chang

Research output: Contribution to journalArticle

99 Citations (Scopus)

Abstract

This article describes the design and operation of a dye sensitized solar cell with an all carbon counter electrode and plastic electrolyte. For the construction of the counter electrode, the conventional thin platinum catalytic layer was replaced by a novel large-effective-surface-area polyaromatic hydrocarbon (LPAH) film, and the fluorine doped tin oxide substrate was replaced by a graphite film. In this way the internal resistance of the cell was substantially reduced and the cell efficiency can reach nearly 9% using the masked frame measurement technique. To achieve such an efficiency, a series of experiments was carried out to assure that the LPAH layer possesses superior catalytic activity and energy efficiency compared to the commonly used carbon black. To this end a unique LPAH layer synthesis technique was developed. It involved the production of LPAH from a hydrogen arc along with the use of an amphiphilic triblock copolymer (P123) to improve the suspendability of LPAH to form a homogeneous catalytic layer. This layer was then attached to a graphite film to form the counter electrode for the dye sensitized solar cell. Details of the properties of the LAPH and the newly designed solar cell are reported herein.

Original languageEnglish
Pages (from-to)6941-6952
Number of pages12
JournalEnergy and Environmental Science
Volume5
Issue number5
DOIs
Publication statusPublished - May 2012

Fingerprint

Hydrocarbons
dye
electrode
Carbon
surface area
hydrocarbon
Electrodes
carbon
Graphite
graphite
Soot
Fluorine
fluorine
black carbon
Carbon black
Platinum
Tin oxides
tin
platinum
energy efficiency

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Environmental Chemistry
  • Pollution
  • Nuclear Energy and Engineering

Cite this

An all carbon counter electrode for dye sensitized solar cells. / Lee, Byunghong; Buchholz, D. Bruce; Chang, Robert P. H.

In: Energy and Environmental Science, Vol. 5, No. 5, 05.2012, p. 6941-6952.

Research output: Contribution to journalArticle

Lee, Byunghong ; Buchholz, D. Bruce ; Chang, Robert P. H. / An all carbon counter electrode for dye sensitized solar cells. In: Energy and Environmental Science. 2012 ; Vol. 5, No. 5. pp. 6941-6952.
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