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Updated: Apr 9, 2026
Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
Published on: February 27, 2017
High-performance flexible perovskite solar cells exploiting Zn2SnO4 prepared in solution below 100 °C
Seong Sik Shin1, Woon Seok Yang2, Jun Hong Noh2
11] Division of Advanced Materials, Korea Research Institute of Chemical Technology, 141 Gajeong-Ro, Daejeon 305-600, Korea [2] Department of Materials Science and Engineering, Seoul National University, Seoul 151-744, Korea [3] WCU Hybrid Materials Program, Seoul National University, Seoul 151-744, Korea.
Researchers developed a low-temperature method using zinc stannate (ZSO) nanoparticles to create high-performance flexible perovskite solar cells (PSCs). This advancement enhances substrate transmittance and boosts power conversion efficiency for portable solar energy applications.
Area of Science:
- Materials Science
- Renewable Energy
Background:
- Flexible perovskite solar cells (PSCs) offer portability and cost-effective manufacturing.
- Developing efficient electron-transporting layers is crucial for high-performance flexible PSCs.
Purpose of the Study:
- To develop a low-temperature synthesis for zinc stannate (ZSO) nanoparticles.
- To fabricate high-performance flexible PSCs utilizing ZSO nanoparticles.
Main Methods:
- Synthesized highly dispersed ZSO nanoparticles at temperatures below 100°C.
- Incorporated ZSO films onto flexible polyethylene naphthalate/indium-doped tin oxide (PEN/ITO) substrates.
- Fabricated PSCs using the ZSO layer and a methylammonium lead iodide (CH3NH3PbI3) active layer.
Main Results:
- ZSO film introduction increased substrate transmittance from ~75% to ~90% across all wavelengths.
- The best flexible PSC achieved a steady-state power conversion efficiency (PCE) of 14.85% under AM 1.5G illumination.
- Demonstrated ZSO as a promising electron-conducting electrode material for flexible PSCs.
Conclusions:
- Low-temperature ZSO nanoparticle synthesis is viable for flexible PSC fabrication.
- ZSO enhances optical properties and device performance in flexible PSCs.
- ZSO is a promising electron-transporting layer for efficient and portable solar energy solutions.
