Sunita Somvanshi
Photo Source: Google
NREL researchers have synthesized tetracene diacid (Tc-DA) aggregates to enhance the performance of singlet fission solar cells.
Tc-DA's aggregation can be controlled by solvent and concentration choices, allowing for optimization of its light-harvesting performance.
Singlet fission can potentially double solar cell efficiency by generating two electron-hole pairs from a single photon.
Acene-based compounds, such as tetracene, are known to improve quantum yield in organic electronics, making them ideal for singlet fission.
Tc-DA aggregates can form charge transfer and multi-excitonic states, both of which are beneficial for efficient light-harvesting applications.
The excited-state dynamics of Tc-DA aggregates are highly sensitive to specific concentration thresholds, behaving almost like a phase transition.
Challenges include stabilizing Tc-DA aggregates and scaling the technology for commercial use, particularly in real-world applications.
Singlet fission solar cells are more efficient than traditional silicon solar cells, offering significant potential for the renewable energy sector.
Tc-DA aggregates represent a promising pathway toward the development of cost-effective, sustainable, and high-efficiency solar cell technology.