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Enhance the Performance of Dye-Sensitized Solar Cells by Co-grafting Amphiphilic Sensitizer and Hexadecylmalonic Acid on TiO2 Nanocrystals
Open accessAbstract
Dye-sensitized solar cells have been fabricated based on nanocrystalline TiO 2 film derivatized with an amphiphilic polypyridyl ruthenium complex, cis- RuLL‘(SCN) 2 (L = 4,4‘-dicarboxylic acid-2,2‘-bipyridine, L‘ = 4,4‘-dinonyl-2,2‘-bipyridine), as light-harvester and hexadecylmalonic acid (HDMA) as coadsorbent. The cells generated a short-circuit photocurrent of 15.2 mA cm -2, an open-circuit photovoltage of 764 mV, and a total power conversion efficiency of 7.8% under simulated full sunlight (air mass 1.5, 100 mW cm -2 ). Co-grafting enhanced the photocurrent, photovoltage, and overall conversion efficiency considerably with respect to cells containing no HDMA. Devices showed a good stability under light soaking at 55 °C.
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Metadata
- Authors
- Wang, P., Zakeeruddin, S. M., Comte, P., Charvet, R., Humphry-Baker, R., & Grätzel, M.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2003-12-01
- Volume
- 107
- Issue
- 51
- Pages
- 14336-14341
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2012394813
- Cited by
- 694
- References
- 20
- FWCI
- 14.34
- Type
- journal article
- Language
- en
- Open access
- green
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