- Metal halide perovskite solar cells;
- Tandem and multi-absorber solar cells;
- Electron and hole transport materials, contacts, electrode materials;
- Exciton diffusion, charge carrier generation, transport, and recombination;
- Multiscale modeling of perovskite solar cells;
- Interface phenomena and interface engineering;
- Multiple exciton generation in quantum dot based solar cells;
- The role of defects and defect management;
- Technological challenges for building integration and commercialization;
- Non-fullerene acceptor organic photovoltaics;
- Durability and degradation of photovoltaic materials.