A Review on Gel Polymer Electrolytes for Dye-Sensitized Solar Cells

Area of Science:

• Materials Science
• Renewable Energy
• Electrochemistry

Background:

• Dye-sensitized solar cells (DSSCs) offer simple manufacturing, low cost, and high efficiency.
• Liquid electrolytes in DSSCs face thermal stability issues.
• Gel polymer electrolytes (GPEs) provide a promising alternative with high ionic conductivity and stability.

Purpose of the Study:

• To review the advantages of GPEs in DSSCs.
• To compare GPEs with other electrolyte types like solid polymer and semiconductor-based electrolytes.
• To explore the benefits of incorporating ionic liquids into GPEs.

Main Methods:

• Review of existing literature on DSSC electrolytes.
• Analysis of factors influencing ionic conductivity in GPEs.
• Discussion of strategies for improving DSSC properties using GPEs.

Main Results:

• GPEs demonstrate superior thermal stability and ionic conductivity compared to traditional liquid electrolytes.
• Incorporating ionic liquids into GPEs enhances their performance.
• Various strategies exist to optimize GPEs for improved DSSC efficiency.

Conclusions:

• GPEs are a viable and advantageous substitute for liquid electrolytes in DSSCs.
• Ionic liquid incorporation and strategic property improvements are key to advancing GPE-based DSSCs.
• Further research into GPE optimization can lead to more efficient and stable solar cells.