Related Experiment Video
Updated: Feb 24, 2026
Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer
Published on: January 10, 2017
Novel benzodithiophene-based polymer acceptors for efficient organic solar cells
Yan-Ling Wang1, Quan-Song Li2, Ze-Sheng Li2
1Key Laboratory of Cluster Science of Ministry of Education, Beijing Key laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China. liquansong@bit.edu.cn zeshengli@bit.edu.cn and College of Chemical Engineering and Food Science, Hubei University of Arts and Science, Xiangyang, 441053, Hubei Province, China.
Novel polymer acceptors were designed for organic solar cells. Introducing a benzodithiophene unit and nitrogen atom enhanced light absorption and electron mobility, leading to promising high-performance materials.
Area of Science:
- Materials Science
- Organic Electronics
- Photovoltaics
Background:
- Organic solar cells (OSCs) offer tunable properties but lag in polymer acceptor development.
- High-performance polymer acceptors are crucial for advancing OSC efficiency.
Purpose of the Study:
- Design novel polymer acceptors for high-efficiency OSCs.
- Investigate the impact of benzodithiophene (BDT) units and nitrogen incorporation on material properties.
Main Methods:
- Density Functional Theory (DFT) and Time-Dependent DFT (TDDFT) calculations.
- Analysis of geometrical, optical, electronic, and charge transport properties.
Main Results:
- BDT unit and nitrogen atom incorporation effectively lowered LUMO energy and exciton binding energy.
- Enhanced light absorption capacity and electron mobility were observed.
- Molecules P2 and P5 showed superior light absorption, efficiency, exciton separation, and electron mobility.
Conclusions:
- BDT unit and nitrogen atom are effective strategies for designing high-performance polymer acceptors.
- P2 and P5 are promising candidates for future high-efficiency organic solar cells.
More Related Videos
06:49In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation
Published on: March 2, 2021
09:32Well-aligned Vertically Oriented ZnO Nanorod Arrays and their Application in Inverted Small Molecule Solar Cells
Published on: April 25, 2018