Argon plasma-assisted valorization of plastic waste into PET@rGO@Al2O3 counter electrodes for improved DSSC applications

Key Points

• The valorization process improved energy conversion efficiency in dye-sensitized solar cells (DSSC).
• Counter electrodes made with plastic waste, rGO, and Al2O3 exhibited promising properties with efficiency metrics showing a significant increase.
• Assessment using argon plasma for enhancing plastic waste conversion into functional materials was performed.
• Improved design can drive sustainable practices by utilizing waste materials, supporting environmental goals.