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Updated: Aug 6, 2026
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Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
Published on: February 27, 2017
Air-Processed and Water-Stable Perovskite Solar Cells Enabled by a Fishing-Net-Inspired Interfacial Network
Muh Fadhil Albab1,2, Muhammad Jahandar1, Ah Ra Kim1
1Energy and Environment Materials Research Division, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea.
Nano-Micro Letters
|July 16, 2026
Summary
A novel fishing-net-inspired interface enhances perovskite solar cell durability by preventing degradation from moisture and stress. This breakthrough enables highly efficient and stable flexible solar cells, even under ambient conditions.
Area of Science:
- Materials Science
- Renewable Energy
- Nanotechnology
Background:
- Perovskite solar cells (PSCs) face deployment challenges due to fragile interfaces causing degradation.
- Environmental factors like moisture, heat, and ion migration accelerate PSC failure.
- Mechanical stress further compromises device stability, especially during ambient processing.
Purpose of the Study:
- To develop a robust interfacial molecular network for enhanced PSC durability.
- To improve charge extraction and suppress ion migration in PSCs.
- To enable efficient and stable PSCs, particularly flexible devices processed under ambient conditions.
Main Methods:
- Designed a fishing-net-inspired interfacial molecular network using coordination chemistry and dipole engineering.
- Integrated transition metal nodes, rigid small-molecule frameworks, and amine-functionalized polymer sub-networks.
- Fabricated and tested perovskite solar cells with the novel interlayer, including flexible devices.
Main Results:
- Achieved high power conversion efficiencies (PCEs) of 26.19% (1.53 eV), 24.11% (1.61 eV), and 20.00% (1.77 eV).
- Exhibited open-circuit voltages and fill factors exceeding 90% of the Shockley-Queisser limit.
- Demonstrated exceptional stability: 95% retention after 10,000 bending cycles and T95 > 2000 hours under ambient conditions without encapsulation.
Conclusions:
- The interfacial molecular network provides intrinsic durability through enhanced coordination chemistry and dipole engineering.
- The developed strategy enables highly efficient and stable perovskite solar cells, including flexible devices fabricated in ambient air.
- This broadly applicable design strategy paves the way for durable optoelectronic devices.
