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Updated: May 2, 2026

Electrospinning of Photocatalytic Electrodes for Dye-sensitized Solar Cells

Electrospinning of Photocatalytic Electrodes for Dye-sensitized Solar Cells

Published on: June 28, 2017

Separating the redox couple for highly efficient solid-state dye-sensitized solar cells.

Juan Li¹, Wei Zhang, Lu Zhang

¹Department of Chemistry, Lab of Advanced Materials, Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University, 2205 Songhu Road, Shanghai 200438, P. R. China. zs.wang@fudan.edu.cn.

Physical Chemistry Chemical Physics : PCCP

|March 14, 2014

Summary

This study reduces charge recombination in solid-state dye-sensitized solar cells by separating electron donors and acceptors. This significantly boosts photocurrent, photovoltage, and overall power conversion efficiency.

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Last Updated: May 2, 2026

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Integrating a Triplet-triplet Annihilation Up-conversion System to Enhance Dye-sensitized Solar Cell Response to Sub-bandgap Light

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Area of Science:

Materials Science
Electrochemistry
Renewable Energy

Background:

Solid-state dye-sensitized solar cells (ssDSSCs) face challenges with charge recombination.
Electron-hole recombination at interfaces limits device performance.

Purpose of the Study:

To minimize electron-acceptor charge recombination in ssDSSCs.
To enhance the performance of ssDSSCs through strategic component separation.

Main Methods:

Proposed a novel configuration separating the redox couple's electron donor and acceptor.
Localized the electron donor in the photoanode and the acceptor in the cathode.
Investigated the impact of this separation on charge dynamics.

Main Results:

Remarkably retarded charge recombination rates due to the absence of the acceptor in the photoanode.
Achieved a >2-fold increase in short-circuit photocurrent.
Observed a 71 mV increase in open-circuit photovoltage.
Enhanced power conversion efficiency by >2.5-fold.

Conclusions:

Spatial separation of redox components is a viable strategy to suppress recombination.
The proposed architecture significantly improves ssDSC performance metrics.
This approach offers a pathway towards more efficient solid-state solar cells.