From dots to stripes to sheets - Shape control of lead sulfide nanostructures
arXiv:1603.02550 · doi:10.1021/acs.chemmater.5b03088
Abstract
Controlling anisotropy in nanostructures is a challenging but rewarding task since confinement in one or more dimensions influences the physical and chemical properties of the items decisively. In particular, semiconducting nanostructures can be tailored to gain optimized properties to work as transistors or absorber material in solar cells. We demonstrate that the shape of colloidal lead sulfide nanostructures can be tuned from spheres to stripes to sheets by means of the precursor concentrations, the concentration of a chloroalkane co-ligand and the synthesis temperature. All final structures still possess at least one dimension in confinement. Electrical transport measurements complement the findings.
arXiv comment23 pages, 6 figures
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- High Performance n- and p-Type Field-Effect Transistors Based on Hybridly Surface-Passivated Colloidal PbS Nanosheets
- New ways to synthesize lead sulfide nanosheets - substituted alkanes direct the growth of 2D nanostructures
- Synthesis of single-crystalline lead sulfide nanoframes and nanorings
- Template Mediated Formation of Colloidal Two-Dimensional Tin Telluride Nanosheets and the Role of the Ligands
- Solving the Synthetic Riddle of Colloidal 2D PbTe Nanoplatelets with Tunable Near-Infrared Emission
- Function follows form: From semiconducting to metallic towards superconducting PbS nanowires by faceting the crystal
- Halogens in the synthesis of colloidal semiconductor nanocrystals
- Colloidal Lead Iodide Nanorings