Shaping a solar cell's porous TiO₂ layer into micro-scale walls guides electrons toward the collecting electrode.
Key results
Electron diffusion coefficient about ten times higher than in a conventional porous layer at high Fermi levels.
About three times longer electron diffusion length.
Cite
M. Javadi, S. Alizadeh, Y. Khosravi, Y. Abdi, "Electron transport in Q2D porous network of titania nanoparticles, incorporating electrical and optical advantages in dye-sensitized solar cells," ChemPhysChem 17, 3542 (2016). https://doi.org/10.1002/cphc.201600609
