Issue 10, 2023

A novel poly(acrylonitrile)/poly(ethylene glycol)-based polymer gel electrolyte for high efficiency dye sensitized solar cells

Abstract

This research article reports on a systematic approach to the development of polymer gel electrolytes (PGEs) for the applications of dye-sensitized solar cells (DSSCs). The authors prepared PGE blend using poly(acrylonitrile) (PAN) and poly(ethylene glycol) (PEG) polymers along with three different ionic salts. They demonstrated a good ionic conductivity of 1.52 × 10−2 S cm−1, which improved PV performance. The conduction mechanism of the (PAN/PEG) PGE is based on the interaction of three cations of distinct sizes, Hex4N+, K+, and Li+ ions, with the polymer host. The rapid diffusion of I/I3 iodide ions through the pores formed by PEG in the PGE is the primary cause of improved ionic conductivity. Various compositions of (PAN/PEG) have been optimized to obtain a sufficient porous structure and improved photon conversion efficiency (PCE) of the cell, achieving 8.6% in this research. X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), impedance spectroscopy, incident photon conversion efficiency (IPCE) and finally current density voltage (JV) characterization techniques are used to analyze and compare the results with those of liquid electrolyte-based cells.

Graphical abstract: A novel poly(acrylonitrile)/poly(ethylene glycol)-based polymer gel electrolyte for high efficiency dye sensitized solar cells

Supplementary files

Article information

Article type
Paper
Submitted
22 Feb 2023
Accepted
28 Aug 2023
First published
28 Aug 2023
This article is Open Access
Creative Commons BY-NC license

Energy Adv., 2023,2, 1702-1712

A novel poly(acrylonitrile)/poly(ethylene glycol)-based polymer gel electrolyte for high efficiency dye sensitized solar cells

M. M. Varishetty, M. Kenji, N. Tarannum, S. R. Damaraju and M. Jonnalagadda, Energy Adv., 2023, 2, 1702 DOI: 10.1039/D3YA00079F

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