Ruthenium based nanostructures driven by morphological controls as efficient counter electrodes for dye-sensitized solar cells
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- Ruthenium based nanostructures driven by morphological controls as efficient counter electrodes for dye-sensitized solar cells
- Seok, Jeesoo; Ryu, Ka Yeon; Jeong, Inyoung; Lee, Nam-Suk; Baik, Jeong Min; Kim, Joo Gon; Ko, Min Jae; Lee, Jin Ah; Kim, Kyungkon; Kim, Myung Hwa
- Issue Date
- ROYAL SOC CHEMISTRY
- PHYSICAL CHEMISTRY CHEMICAL PHYSICS, v.17, no.5, pp.3004 - 3008
- We introduce a facile approach to use ruthenium dioxide (RuO2) and ruthenium (Ru) nanostructures as effective counter electrodes instead of using platinum (Pt) for dye-sensitized solar cells (DSSCs). RuO2 and Ru nanostructure layers on the FTO glass can be readily prepared by a simple annealing process followed by the spin coating process of the mixture solution containing amorphous RuO2·xH2O precursor and poly(ethylene oxide) (PEO) as a dispersion matrix at low temperature in air. The Ru metal nanostructure layer prepared by the reduction of RuO2 with H2 shows the highest efficiency of 6.77% in DSSC operation, which is comparable to the efficiency of the Pt electrode (7.87%).
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