98678 - MOLECULAR NANOTECHNOLOGY

Anno Accademico 2022/2023

  • Docente: Serena Silvi
  • Crediti formativi: 6
  • SSD: CHIM/03
  • Lingua di insegnamento: Inglese
  • Modalità didattica: Convenzionale - Lezioni in presenza
  • Campus: Bologna
  • Corso: Laurea Magistrale in Photochemistry and Molecular Materials (cod. 9074)

Conoscenze e abilità da conseguire

At the end of the course the student has acquired the basic concepts and the main strategies for the bottom-up construction of functional nanostructures, starting from molecules and using the paradigms of supramolecular chemistry: molecular devices and machines, dendrimers, nanoparticles, self-assembled monolayers and thin films.

Contenuti

Prerequisites: knowledge of the fundamental concepts of spectroscopy, photochemistry and electrochemistry.

Attendance: the course has no compulsory attendance.

Programme: the course deals with the following topics; for each one the general principles and some significant examples are described.

1. Introduction

1.1. Top-down approach to miniaturization: photolithographic techniques

1.2. Bottom-up approach: molecular self-assembly

1.3. Molecular devices

1.4. What is molecular nanotechnology?

2. Self-assembled nanostructures

2.1. Common macrocyclic hosts and their host-guest complexes

2.2. Self-assembled capsules, cages, polymers, vesicles, and other structures

2.3. Self-assembled molecular monolayers on surfaces

3. Multicomponent molecular species

3.1. Nanosystems with complex topologies: rotaxanes, catenanes, knots, and related species

3.2. Dendrimers: synthesis, properties and applications

3.3. Dynamic covalent systems

4. Supramolecular catalysis and nanoreactors

4.1. Catalytic processes in hosts and in molecular and supramolecular containers

4.2. Self-replication, hybridization and mutation in artificial chemical systems

5. Chemical functionalization of surfaces

5.1. The Langmuir-Blodgett methodology

5.2. Functional self-assembled monolayers

5.3. Characterization and imaging of surfaces

6. Nanomaterials

6.1. Size effects and quantum confinement

6.2. Metal nanoparticles

6.3. Semiconductor nanoparticles (quantum dots)

6.4. Carbon-based nanomaterials: fullerenes, nanotubes, graphene

6.5. Nanoporous materials: zeolites, metal-organic and covalent organic frameworks

7. Mechanical molecular machines and motors

7.1. Basic concepts

7.2. Biomolecular machines: motor proteins

7.3. Artificial systems based on topologically complex species

7.4. Artificial systems based on DNA

7.5. Other examples

7.6. Potential applications

Testi/Bibliografia

The course covers advanced topics of great scientific relevance and therefore in continuous evolution. There is no textbook covering the whole program; the following texts are recommended for the study and in-depth study of parts of the course:

1) J.-M. Lehn, Supramolecular Chemistry – Concepts and Perspectives, VCH, Weinheim, 1995 (part 1, 2, 4 of the programme).

2) V. Balzani, A. Credi, M. Venturi, Molecular Devices and Machines – Concepts and Perspectives for the Nanoworld, Wiley-VCH, Weinheim, 2008 (parti 1, 3, 7).

3) D. S. Goodsell, Bionanotechnology: Lessons from Nature, Wiley, New York, 2004 (part 1 and 7).

4) C. N. R. Rao, A. Muller, A. K. Cheetham (Eds.), The Chemistry of Nanomaterials, Vol. 1 e 2, Wiley-VCH, Weinheim, 2004 (part 1 and 6).

Other relevant recommended references will be reported on the slides of the presentations used in class.

Metodi didattici

The module is carried out in the second semester, and consists of class lectures that illustrate the basic principles of supramolecular chemistry and nanosciences; for each specific topic, the introductory concepts as well as some singificant examples taken from the scientific literature are presented.

Modalità di verifica e valutazione dell'apprendimento

Oral examination.

Strumenti a supporto della didattica

Overhead projector, PC, video projector, powerpoint presentations, videos.

Orario di ricevimento

Consulta il sito web di Serena Silvi

SDGs

Istruzione di qualità

L'insegnamento contribuisce al perseguimento degli Obiettivi di Sviluppo Sostenibile dell'Agenda 2030 dell'ONU.