Synthesis,characterization and application of biopolymer-ionic liquid composite membranes |
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| Authors: | Pramod K. Singh B. Bhattacharya R.K. Nagarale Kang-Wook Kim Hee-Woo Rhee |
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| Affiliation: | 1. Department of Chemical & Biomolecular Engineering, Sogang University, Seoul, South Korea;2. Research and Technology Development Centre, School of Engineering & Technology, Sharda University, Greater Noida – 201 306, India;3. Department of Physics, School of Engineering & Technology, Sharda University, Greater Noida – 201 306, India;4. Department of Chemical Engineering, The University of Texas at Austin, University Station C0400, Austin, TX 78712, USA |
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| Abstract: | Biopolymer composite membranes based on chitosan doped with an ionic liquid (IL) 1-ethyl 3-methylimidazolium thiocyanate (EMImSCN) have been developed and characterized. The doped ionic liquid films show remarkable enhancement in ionic conductivity (σ). The Fourier transform infrared (FTIR) spectroscopy, atomic force microscopy (AFM) and X-ray diffraction studies (XRD) affirmed the composite nature, good incorporation of ionic liquid and reduction in crystallinity of films, respectively. The interaction between ionic liquid, chitosan and iodide polymer electrolyte matrix was evaluated by cyclic voltammetry. The fabricated dye sensitized solar cell (DSSC) using this new biopolymer electrolyte membranes shows promising performance. |
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