AbstractNanostructured phase-separated blends, or bulk heterojunctions, of conjugated polymers and fullerene derivatives form a very attractive approach to large-area, solid-state organic solar cells. The key feature of these cells is that they combine easy processing from solution on a variety of substrates with good performance. Efficiencies of up to 5% in solar light have been achieved, and lifetimes are increasing to thousands of hours. Further improvements can be expected and some of the promising strategies towards that goal are presented in this article.
Solution processing of flat, uniform film can be realized via judicious choice of solvents of the sequential deposition technique which generates mirror-like perovskite film with resemble surface roughness to that from vapor assisted method.
Cyanine dyes in solid state organic heterojunction solar cells