Related Experiment Video
Updated: Mar 11, 2026
08:12
Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
Published on: September 8, 2017
10.2K
A Low-Temperature, Solution-Processable Organic Electron-Transporting Layer Based on Planar Coronene for
Zonglong Zhu1, Jing-Qi Xu1,2, Chu-Chen Chueh1
1Department of Materials Science and Engineering, University of Washington, Seattle, WA, 98195-2120, USA.
Advanced Materials (Deerfield Beach, Fla.)
|November 19, 2016
Summary
A novel organic electron-transporting material (ETM) enables efficient perovskite solar cells (PVSCs). This solution-processable material achieves over 17% efficiency in rigid devices and 14.2% in flexible devices with minimal hysteresis.
Area of Science:
- Materials Science
- Renewable Energy
- Organic Electronics
Background:
- Perovskite solar cells (PVSCs) are a promising photovoltaic technology.
- Efficient electron-transporting materials (ETMs) are crucial for high-performance PVSCs.
- Developing low-temperature, solution-processable ETMs is essential for scalable and cost-effective manufacturing.
Purpose of the Study:
- To develop a novel, low-temperature, solution-processable organic electron-transporting material (ETM).
- To evaluate the performance of the developed ETM in conventional n-i-p perovskite solar cells (PVSCs).
- To assess the efficiency and hysteresis of PVSCs incorporating the new ETM on both rigid and flexible substrates.
Main Methods:
- Synthesis of a new organic electron-transporting material.
- Fabrication of conventional n-i-p perovskite solar cells (PVSCs) using the developed ETM.
- Device characterization including efficiency measurements and hysteresis analysis.
- Testing on both rigid and flexible substrates.
Main Results:
- The developed ETM is low-temperature and solution-processable.
- Rigid PVSCs achieved a power conversion efficiency (PCE) over 17%.
- Flexible PVSCs achieved a PCE of 14.2% with negligible hysteresis.
- The achieved efficiency for flexible PVSCs is among the highest reported to date.
Conclusions:
- A highly efficient, solution-processable organic ETM has been successfully developed for n-i-p PVSCs.
- The new ETM facilitates high performance in both rigid and flexible PVSCs.
- This advancement holds significant potential for the commercialization of flexible perovskite solar technology.
