Related Experiment Video
Updated: Jun 12, 2026

10:31
Developing High Performance GaP/Si Heterojunction Solar Cells
Published on: November 16, 2018
High-performance nanostructured inorganic-organic heterojunction solar cells
Jeong Ah Chang1, Jae Hui Rhee, Sang Hyuk Im
1KRICT-EPFL Global Research Laboratory, Advanced Materials Division, Korea Research Institute of Chemical Technology, Yuseong, Daejeon, Republic of Korea.
Nano Letters
|June 1, 2010
Summary
We developed stable, high-efficiency solid-state solar cells using inorganic-organic materials. These novel nanostructured cells show excellent performance and durability without encapsulation, paving the way for advanced solar technologies.
Area of Science:
- Materials Science
- Nanotechnology
- Renewable Energy
Background:
- Developing efficient and stable solar cells is crucial for renewable energy.
- Hybrid organic-inorganic solar cells offer potential for improved performance and tunability.
Purpose of the Study:
- To fabricate and characterize all-solid-state nanostructured inorganic-organic heterojunction solar cells.
- To evaluate the performance and stability of these novel solar cell devices.
Main Methods:
- Deposition of antimony trisulfide (Sb(2)S(3)) and poly(3-hexylthiophene) (P3HT) on a mesoporous titanium dioxide (TiO(2)) layer.
- Fabrication of inorganic-organic heterojunction solar cells.
- Performance testing under standard AM 1.5G illumination (100 mW cm(-2)).
Main Results:
- Achieved a maximum incident-photon-to-current efficiency (IPCE) of 80%.
- Obtained a power conversion efficiency (PCE) of 5.13%.
- Demonstrated high stability under room light in air without encapsulation.
Conclusions:
- All-solid-state nanostructured inorganic-organic heterojunction solar cells exhibit remarkable performance and stability.
- Hybridization of inorganic light absorbers and organic hole transporters is a promising strategy for high-efficiency solar cells.
- These findings open new avenues for developing durable and efficient solid-state solar energy devices.

