Introduction to Chemistry of Nanomaterials

Philippe KNAUTH

Professeur de Chimie des Matériaux

Aix-Marseille Université

Marseille, France

April/May 2015 Philippe KNAUTH 1Erasmus Univ. Roma Tor Vergata

Buckyball

(~1nm)DNA

(~2nm diameter)

Red blood cells

(~2-5µm)

Hair (~60-120µm)

Virus

(10-300nm)

Gold atom

(135 pm)

10mm

1mm (1,000,000nm)

0.1mm

0.01mm

0.001mm, 1µm (1000nm)

0.1µm (100nm)

0.01µm (10nm)

1nm

Ult

rav

iole

tIn

fra

red

Mic

row

av

e

0.1nm

10-2m

10-3m

10-4m

10-5m

10-6m

10-7m

10-8m

10-9m

10-10m

X-r

ay

What is Nano?

Categories of Nanomaterials

April/May 2015 Philippe KNAUTH 3Erasmus Univ. Roma Tor Vergata

April/May 2015 Erasmus Univ. Roma Tor Vergata Philippe KNAUTH 4

Applications of nanomaterials

Automobile

Medecine

Les spécificités de la chimie dans le domaine

April/May 2015 Philippe KNAUTH 5Erasmus Univ. Roma Tor Vergata

Carbon-based Nanomaterials

Y. Gogotsi, Drexel University, USA

April/May 2015 Philippe KNAUTH 6Erasmus Univ. Roma Tor Vergata

« Top-Down » versus « Bottom-Up »

Self-organization: TiO2 nanotubes

April/May 2015 Philippe KNAUTH 7Erasmus Univ. Roma Tor Vergata

Gold Colloids: Sizes and Colors

April/May 2015 Philippe KNAUTH 8Erasmus Univ. Roma Tor Vergata

Sol-gel Chemistry

« Chimie douce »: term used at international level

Important contribution by French chemists:

Jacques Livage, Jean Rouxel, Clément Sanchez…

April/May 2015 Philippe KNAUTH 9Erasmus Univ. Roma Tor Vergata

April/May 2015 Erasmus Univ. Roma Tor Vergata Philippe KNAUTH 10

Sol-gel technologies and their products

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Applications of sol-gel chemistry

Risks of nanomaterials

April/May 2015 Philippe KNAUTH 12Erasmus Univ. Roma Tor Vergata

April/May 2015 Erasmus Univ. Roma Tor Vergata Philippe KNAUTH 13

Master Erasmus Mundus MESC

Materials for Energy Storage and Conversion

Conclusions and questions ?

April/May 2015 Pr. Philippe Knauth 14Erasmus Univ. Roma Tor Vergata

Nano-carbons

Colloïdal Systems

Synthesis (top down – bottom up)

Sol-gel Processes

Risks

Applications in the domain of energy:

polymers and nanotubes

April/May 2015 Erasmus Univ. Roma Tor Vergata Pr. Philippe Knauth 15

Chemistry of Nanomaterials

MESC Erasmus

Mundus Master