Tunable rGO-integrated ZnO/PMMA ternary photoanodes for high-efficiency dye-sensitized solar cells

Q: What does this research mean for the field?

Increasing the reduced graphene oxide (rGO) content in ZnO/PMMA ternary photoanodes progressively enhances power conversion efficiency in dye-sensitized solar cells by improving crystallinity, reducing defect density, and suppressing charge recombination. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Nujud M. Badawi

doi:10.25259/jksus_1839_2025

June 19, 2026Journal of King Saud University - ScienceOpen Access

Tunable rGO-integrated ZnO/PMMA ternary photoanodes for high-efficiency dye-sensitized solar cells

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Key Points

The aim is to enhance the efficiency of dye-sensitized solar cells using tunable rGO-integrated photoanodes.
Photovoltaic measurements evaluated parameters such as J_{sc}, fill factor, and power conversion efficiency.
Structural characterization assessed crystallinity and defect density with varying rGO content.
UV–vis absorption and photoluminescence measurements analyzed light harvesting and charge dynamics.
ZRP-1:4 achieved the highest performance with superior electron-transport pathways.
Enhanced visible-light harvesting and a redshift in the optical band gap were observed.
Photoluminescence confirmed suppressed recombination and more efficient charge extraction.

Implication

Demonstrates improved efficiency in dye-sensitized solar cells, indicating potential for better renewable energy sources.

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Cite This Study

Nujud M. Badawi (2026) studied this question.

synapsesocial.com/papers/6a36300ddb0793dc1a5374d6 https://doi.org/10.25259/jksus_1839_2025

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Tunable rGO-integrated ZnO/PMMA ternary photoanodes for high-efficiency dye-sensitized solar cells

Key Points

Implication

Abstract

Discussion

Cite This Study

Tunable rGO-integrated ZnO/PMMA ternary photoanodes for high-efficiency dye-sensitized solar cells

Key Points

Implication

Abstract

Discussion

Cite This Study

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