| Abstrakt: |
By utilizing in situ-formed MCP ligands (HMCP+= 1-methyl-4-(carboxyl)pyridinium) as decoration agents, two new iodoplumbate hybrids, namely, [Pb(MCP)2I]PbI3(1) and Cs2[Pb(MCP)4]Pb3I10(2), have been solvothermally prepared and structurally characterized. Compound 1features the typical one-dimensional (1D) [PbI3]nn–anions, while compound 2exhibits two-dimensional (2D) [Pb3I10]n4n–slabs perforated with large parallelogram-shaped windows. The intriguing structural characteristic of compounds 1and 2is that they contain unique chain-like cations of [Pb(MCP)2I]+and [Pb(MCP)4]2+, respectively. Interestingly, upon alternate visible-light and full spectrum light irradiation, compounds 1and 2show stable and rapid photoelectric switching properties, whose photocurrent densities are comparable or larger than those of many metal halide hybrids. Additionally, their optical properties, Hirshfeld surface analyses, X-ray photoelectron spectra, as well as the theoretical band structures and density of states have also been studied. |
