Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 3, Issue 10, Pages 5368-5374Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta06393g
Keywords
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Funding
- Fundamental Research Funds for the Central Universities [201313001, 201312005]
- Shandong Province Outstanding Youth Scientist Foundation Plan [BS2013CL015]
- Shandong Provincial Natural Science Foundation [ZR2011BQ017]
- Research Project for the Application Foundation in Qingdao [13-1-4-198-jch]
- National Natural Science Foundation of China [51102219, 51342008, U1037604]
- National High Technology Research and Development Program of China [2010AA09Z203, 2010AA065104]
- National Key Technology Support Program [2012BAB15B02]
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The pursuit of cost-effective and efficient solid-state electrolytes is a persistent objective for dye-sensitized solar cells (DSSCs). Herein, we present the experimental design of iodide/triiodide (I-/I-3(-))-incorporated poly(ethylene oxide)/polyaniline (PEO/PANi) solid-state electrolytes, aiming at expanding the catalytic event of I-3(-) reduction from the electrolyte/counter electrode interface to both the interface and electrolyte system and shortening the charge diffusion path length. Except for I- species, the conjugated PANi is also responsible for dye regeneration and hole transfer to the counter electrode. A DSSC with (I-/I-3(-))-incorporated PEO/1.0 wt% PANi electrolyte yields a maximum efficiency of 6.1% in comparison with 0.8% obtained from a PANi-free electrolyte-based solar cell and 0.1% for a PANi-based solar cell.
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