Journal
NANOSCALE
Volume 4, Issue 21, Pages 6730-6734Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2nr32082g
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Funding
- CSIR/UGC
- UK-India APEX program
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A laser photochemical process is introduced to realize superhydrophobic conducting carbon coatings with broccoli-type hierarchical morphology for use as a metal-free counter electrode in a dye sensitized solar cell. The process involves pulsed excimer laser irradiation of a thin layer of liquid haloaromatic organic solvent o-dichlorobenzene (DCB). The coating reflects a carbon nanoparticle-self assembled and process-controlled morphology that yields solar to electric power conversion efficiency of 5.1% as opposed to 6.2% obtained with the conventional Pt-based electrode.
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