NDLI: Performance of dye-sensitized solar cells with various carbon nanotube counter electrodes

Content Provider	Springer Nature Link
Author	Zhang, Dingwen Li, Xiaodong Chen, Si Sun, Zhuo Jiang Yin, Xi Huang, Sumei
Copyright Year	2011
Abstract	Double-wall carbon nanotubes (DWCNTs), single-wall carbon nanotubes (SWCNTs), and multi-wall carbon nanotubes (MWCNTs) were investigated as an alternative for platinum in counter-electrodes for dye-sensitized solar cells. The counter-electrodes were prepared on fluorine-doped tin oxide glass substrates by the screen printing technique from pastes of carbon nanotubes and organic binder. The solar cells were assembled from carbon nanotubes counter-electrodes and screen printed anodes made from titanium dioxide. The cells produced with DWCNTs, SWCNTs or MWCNTs have overall conversion efficiencies of 8.0%, 7.6% and 7.1%, respectively. Electrochemical impedance spectroscopy measurements revealed that DWCNTs displayed the highest catalytic activity for the reduction of tri-iodide ions. The large surface area and superior chemical stability of the DWCNTs facilitated the electron-transfer kinetics at the interface between counter-electrode and electrolyte and yielded the lowest transfer resistance, thereby improving the photovoltaic activity. A short-term stability test at moderate conditions confirmed the robustness of solar cells based on the use of DWCNTs, SWCNTs or MWCNTs. Figure Double-wall carbon nanotubes, single-wall carbon nanotubes and multi-wall carbon nanotubes have been investigated as an alternative for platinum in counter-electrodes for dye-sensitized solar cells (DSCs). The carbon nanotubes (CNTs) based DSCs exhibit efficiency high up to 8.0% and are comparable to the Pt based DSCs prepared in the same condition. The CNTs based DSCs have demonstrated a good stability.
Starting Page	73
Ending Page	79
Page Count	7
File Format	PDF
ISSN	00263672
Journal	Microchimica Acta
Volume Number	174
Issue Number	1-2
e-ISSN	14365073
Language	English
Publisher	Springer Vienna
Publisher Date	2011-04-08
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Dye-sensitized solar cells Carbon nanotubes Screen printing Stability Microengineering Analytical Chemistry Nanochemistry Nanotechnology Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry

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