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Article Abstract
We prepare dye-sensitized solar cells (DSSCs) fabricated with a poly (ethylene glycol) based polymer gel electrolytes (PGEs) incorporating surface carbon shell-functionalized ZrO nanoparticles (ZrO-C) as nanofillers (NFs). ZrO are polymerized via atom transfer radical polymerization (ATRP) using poly (ethylene glycol) methyl ether methacrylate (POEM) as a scaffold to prepare the ZrO-C through carbonization. The power conversion efficiency of DSSC with 12 wt% ZrO-C/PGEs is 5.6%, exceeding that with PGEs (4.4%). The enhanced efficiency is attributed to Lewis acid-base interactions of ZrO-C and poly (ethylene glycol), catalytic effect of the carbon shells of ZrO-C, which results in reduced crystallinity, enhanced ion conductivity of electrolytes, decreased counterelectrode/electrolyte interfacial resistance, and improved charge transfer rate. These results demonstrate that ZrO-C introduction to PGEs effectively improves the performance of DSSCs.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6836208 | PMC |
| http://dx.doi.org/10.3390/nano9101418 | DOI Listing |
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