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Carbon Nanotube (CNT)–Polymethyl Methacrylate (PMMA) Composite Electrolyte for Solid-State Dye Sensitized Solar Cells

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Abstract:

A novel carbon nanotube (CNT)–polymethyl methacrylate (PMMA) composite electrolyte was successfully synthesized by the thermal polymerization of methyl methacrylate (MMA) with CNTs for solid-state dye sensitized solar cells (DSSCs). The prepared CNTs–PMMA composite electrolytes were characterized by Fourior transformed-infrared (FT-IR) spectroscopy, field emission scanning electron microscope (FE-SEM), transmission electron microscopy (TEM), differential scanning calorimetry (DSC) and ionic conductivity. A strong bonding was observed between CNT and PMMA through ester bonding in the CNT–PMMA composite, resulting in the lowering of crystallinity and increasing the ionic conductivity of composite electrolyte. DSSCs fabricated with CNTs–PMMA composite electrolytes achieved relatively high conversion efficiency of 2.9% with an open circuit voltage (VOC) of 0.567 volt, short circuit current (ISC) of 8.9 mA/cm2 and fill factor of 61.8%, which is attributed to enhanced amorphicity and ionic conductivity due to the formation of strong bonding between CNT and PMMA molecules.

Keywords: CNTS; COMPOSITE; DYE SENSITIZED SOLAR CELLS; POLYMETHYL METHACRYLATE

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.2270

Publication date: May 1, 2010

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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