High-quality ligand-free Pb halides-based perovskites inks by laser ablation synthesis assisted in solution a technique known as an easy approach to generate nanomaterials with a plasma plume confined by a solution. It was shown that stable colloidal dispersions of PBI2 and PbBr2 in organic solvents can be prepared and that they can be entirely converted into mixed-halide perovskite inks. The acquired colloidal solutions and the fabrication of thin films did not show the formation of a rectifying junction when polarized between two symmetric contacts and are photostable when the semiconductor bandgap is tuned. The perovskite inks allow for a better control of the semiconductor quality prior deposition while keeping the possibility of making conductive thin films which are electrically photostable and will qurantee the possibility of producing solar cells with optimal optical band for multijunction applications.
High-Quality, Ligands-Free, Mixed-Halide Perovskite Nanocrystals Inks for Optoelectronic Applications
De Bastiani M.;
2017-01-01
Abstract
High-quality ligand-free Pb halides-based perovskites inks by laser ablation synthesis assisted in solution a technique known as an easy approach to generate nanomaterials with a plasma plume confined by a solution. It was shown that stable colloidal dispersions of PBI2 and PbBr2 in organic solvents can be prepared and that they can be entirely converted into mixed-halide perovskite inks. The acquired colloidal solutions and the fabrication of thin films did not show the formation of a rectifying junction when polarized between two symmetric contacts and are photostable when the semiconductor bandgap is tuned. The perovskite inks allow for a better control of the semiconductor quality prior deposition while keeping the possibility of making conductive thin films which are electrically photostable and will qurantee the possibility of producing solar cells with optimal optical band for multijunction applications.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
