Quantum confined perovskites [advanced topics in materials science]
Syllabus:
- The Perovskite structure, historical perspective, appearance in nature, goldsmith tolerance factor, octahedral factor, new revelations on structural dynamics.
- The functionality of perovskites (oxides, nitrates, and halides) from transistors to solar cells, and single photon emitters, advantages, and disadvantages.
- Growth techniques of perovskites, magnetron sputtering to solution-processable materials. Vapor deposition, Challenges comparing the different techniques.
- Growing quantum confined halide perovskites (test case scenario), colloidal methods. Controlling size, thickness, shape, and composition.
- Quantum effects, coherence, lifetime-spectroscopy, Spontaneous emission,
- Colloidal advantage, room temperature excitons, self-assembly
- 2D perovskites and colloidal perovskites commonalities and differences.
- Collective excitonic effects, super fluorescence, scintillation
- Single nanocrystal studies, single photon emission, anti-bunching, HBT measurements, Purcell effect, waveguiding.
- Polarized emission, directional emission, Fourier space imaging and analysis.
- Conditions for ferroelectricity.
- Double perovskites, alloying and doping, self-trapped excitons, straining effects due to doping, Common defects, and Self-healing.
Recommended literature:
Will be uploaded to Module.
- מורה: יהונדב בקנשטיין