Issue 19, 2012

Direct application of commercial fountain pen ink to efficient dye-sensitized solar cells

Abstract

Fountain pen ink possesses a well-dispersed nature and a relatively large specific surface area of carbon nanoparticles. In the present study, fountain pen ink was systematically studied and developed as cost-efficient counter electrodes (CEs) for planar dye-sensitized solar cells and fiber-shaped DSSCs (FDSSCs), which showed power conversion efficiencies above 6% under AM1.5G (100 mW cm−2). For ink-based planar solar cells, electrochemical impedance spectroscopy (EIS) confirmed that ink CEs had a slightly lower charge-transfer resistance than platinum CEs. EIS also proved that adding TiO2 nanoparticles into the ink could reduce the device's series resistance and the diffusion impedance of the electrolyte through electrode pores. For ink-based FDSSCs, the effects of film thickness, light intensities, and a comparative research of CE catalytic activities toward various electrolytes were discussed.

Graphical abstract: Direct application of commercial fountain pen ink to efficient dye-sensitized solar cells

Supplementary files

Article information

Article type
Paper
Submitted
30 Nov 2011
Accepted
09 Mar 2012
First published
05 Apr 2012

J. Mater. Chem., 2012,22, 9639-9644

Direct application of commercial fountain pen ink to efficient dye-sensitized solar cells

X. Cai, Z. Lv, H. Wu, S. Hou and D. Zou, J. Mater. Chem., 2012, 22, 9639 DOI: 10.1039/C2JM16265B

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