Related Experiment Video
Updated: Sep 15, 2025
08:30
Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
Published on: March 19, 2017
16.8K
Surpassing the 10% Efficiency Threshold in Perovskite-Inspired Indoor Photovoltaics
Noora Lamminen1, Jussi Lahtinen1, Mokurala Krishnaiah1
1Hybrid Solar Cells, Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, Tampere, FI-33014, Finland.
ACS Energy Letters
|July 17, 2025
Summary
Researchers developed high-efficiency indoor photovoltaics using perovskite-inspired materials. These devices achieve over 10% power conversion efficiency under indoor lighting, ideal for Internet of Things applications.
Area of Science:
- Materials Science
- Renewable Energy
- Device Physics
Background:
- Perovskite-inspired materials (PIMs) show potential for low-toxicity indoor photovoltaics (IPVs).
- Current PIM-based IPVs face limitations in power conversion efficiency (PCE) due to poor thin-film morphology and device architecture.
Purpose of the Study:
- To enhance the PCE of PIM-based IPVs for indoor applications.
- To overcome existing limitations in thin-film morphology and device design for PIMs.
Main Methods:
- Engineered thin-film morphology and device architecture.
- Integrated a dual-purpose interfacial modifier.
- Utilized a hybrid antimony-bismuth halide PIM.
Main Results:
- Achieved a PCE exceeding 10% under 1000 lux indoor lighting.
- Demonstrated improved thin-film morphology and device performance.
- Successfully developed efficient pnictogen-based IPVs.
Conclusions:
- The integrated device and film engineering strategies significantly boost PIM-based IPV performance.
- This advancement is crucial for developing efficient IPVs for Internet of Things (IoT) applications.
- The study paves the way for practical, low-toxicity indoor photovoltaic technologies.
