SUpramolecularly engineered functional PERovskite quantum wells

Introduction

SUPER will develop functional, self-assembled multi-quantum wells based on metal halide perovskites (MHPs) and organic semiconductors integrated at the molecular level in ordered extended solids. This will create a hybrid material platform that fully exploits synergistic interactions between the organic and inorganic sublattices with an unprecedented level of sophistication.

Enhanced Material Properties

The resulting materials will have:

• Radically enhanced charge transport
• Improved luminescence yield
• Extended tunability compared to currently available MHPs

Additionally, these materials will provide new solutions to the main challenges of toxicity and stability faced by the entire field of MHPs.

Supramolecular Approach

SUPER will undertake an original supramolecular approach, creating a new fundamental understanding of how large molecular and atomic systems interact to form functional superstructures. This will merge concepts from:

1. Organic and inorganic synthesis
2. Solid-state chemistry
3. Photophysics
4. Organic electronics
5. Device engineering

Bottom-Up Construction

The bottom-up construction will start from the synthesis of innovative semiconductor molecular rods with widely tunable energetics. This will allow for fine-tuning of the internal energy level alignment while encoding the structural characteristics that regulate intermolecular associations and the controlled supramolecular assembly of the hybrid material.

Techniques and Measurements

Solid-state nuclear magnetic resonance will be applied as a top-notch technique to probe the low-dimensional phases, their defectivity, structural rigidity, and local coordination environment with atomic-scale resolution.

Advanced optical spectroscopy and charge transport measurements will assess the efficacy of the synthetic strategies, establishing a close structure-properties relationship and assisting the material's refinement.

Final Platforms

Light-emitting diodes and field-effect transistors will be used as final platforms to assess the concerted effect of supramolecular architecture, transport, and luminescent properties, ensuring the high-technological relevance of the newly developed materials.