Journal
NANO LETTERS
Volume 11, Issue 2, Pages 419-423Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl103020w
Keywords
Dye sensitized solar cell; initiated chemical vapor deposition (iCVD); poly(2-hydroxyethyl methacrylate); mesoporous titanium dioxide; pore filling
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Funding
- NSF [CBET-0846245, CBET-0820608]
- ACS [48160-G5]
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [0846245] Funding Source: National Science Foundation
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The dye sensitized solar cell (DSSC) operation depends on a liquid electrolyte. To achieve better performance, the liquid should be replaced with a solid or gel electrolyte, e.g., polymers. Here, we demonstrate initiated chemical vapor deposition as an effective liquid-free means for in situ polymerization and pore filling. We achieve complete pore filling of 12 mu m thick titania resulting in enhanced cell performance that is attributed to reduced charge recombination at the electrolyte electrode interface.
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