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Updated: Jul 10, 2026

Excitonic Hamiltonians for Calculating Optical Absorption Spectra and Optoelectronic Properties of Molecular Aggregates and Solids
Published on: May 27, 2020
Processing energy and signals by molecular and supramolecular systems
Vincenzo Balzani1, Alberto Credi, Margherita Venturi
1Dipartimento di Chimica G. Ciamician, Università di Bologna, via Selmi 2, 40126 Bologna, Italy. vincenzo.balzani@unibo.it
Molecular-level devices use molecules as substrates for energy and signal processing. This study classifies nine types of molecular-based processes based on input and output signals, advancing molecular science.
Area of Science:
- Molecular science and nanotechnology
- Chemistry
- Materials science
Background:
- Devices require substrates, energy, and signals.
- Molecular-scale operation necessitates molecules as substrates.
- Molecular energy and signal processing depend on input-output cause-and-effect relationships.
Purpose of the Study:
- To classify energy and signal processing at the molecular level.
- To explore novel molecular-based processes by unconventional analysis of molecular transformations.
Main Methods:
- Classifying molecular processes based on input nature (electronic, photonic, chemical).
- Classifying molecular processes based on output nature (electronic, photonic, chemical).
- Coupling input and output types to identify distinct molecular processes.
Main Results:
- Identified nine types of molecular-based processes.
- These include electronic, photonic, chemionic, electrophotonic, electrochemionic, photoelectronic, photochemionic, chemiophotonic, and chemioelectronic processes.
- This classification provides a new framework for understanding molecular transformations.
Conclusions:
- The study presents a novel classification of molecular-based energy and signal processing.
- This unconventional approach highlights new possibilities in molecular science and chemistry.
- The identified nine molecular process types offer a foundation for future molecular device development.
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