New materials

What is „new material”? How much is „nano”? … … … New material … … …

Why nanomaterials are so important?

What is 3D, 2D, 1D, 0D material? 3D 2D 1D 0D Bulk Sheet Tube/ Fiber Sphere

What is the difference in properties of material depending on the scale (3D and 1D or 3D and 2D)? Graphite (3D material, traditional) Graphene (2D material) [4] Carrier mobility 106 cm2V-1s-1 [1] 200 000 cm2V-1s-1 Thermalconductivity 46.8 Wm-1K-1 [2] 5000 Wm-1K-1 Tensilestrenght 4.8 MPa [3] 130 GPa Young'smodulus (elasticmodulus) 4.1 GPa [3] 1 TPa Ref: [1] https://arxiv.org/ftp/arxiv/papers/0712/0712.4020.pdf [2] Michael Stefanescu,Advances in the Science and Engineering of Casting Solidification: An MPMD Symposium Honoring Doru [3]http://www.azom.com/properties.aspx?ArticleID=516 [4]https://en.wikipedia.org/wiki/Graphene

Graphite (3D material, traditional) Carbon nanotubes (1D material) Carrier mobility 106 cm2V-1s-1 [1] 100 000 cm2V-1s-1 [5] Thermalconductivity 46.8 Wm-1K-1 [2] 3500 Wm-1K-1 [4] Tensilestrenght 4.8 MPa [3] 11- 150 GPa [4] Young'smodulus (elasticmodulus) 4.1 GPa [3] 0.2 - 5 TPa [4] Ref: [1] https://arxiv.org/ftp/arxiv/papers/0712/0712.4020.pdf [2] Michael Stefanescu, Advances in the Science and Engineering of Casting Solidification: An MPMD Symposium Honoring Doru [3]http://www.azom.com/properties.aspx?ArticleID=516 [4] https://en.wikipedia.org/wiki/Carbon_nanotube#Strength [5] Du1rkop T., Getty S. A., Cobas E., Fuhrer M. S., Extraordinary Mobility in Semiconducting Carbon Nanotubes, American Chemical Society, 2004, Vol. 4, No. 1, p.35-39

Graphene and carbon nanotubes Graphene Graphite Carbon nanotube

The other low-dimensional materials Layered materials Graphene family 2D chalcogenides 2D oxides MoS2, WS2, MoSe2 TiO2, MnO2, V2O5 Graphene Graphene oxide GaSe, GaTe, InSe

Quantum dots

Scientists of „New materials” Sumio Iijima Discovered carbon nanotubes

Andriej Geim and Konstantin Novoselov Discovered graphene

Mildred Dresselhaus Known as the "queen of carbon science", first female Institute Professor and professor emerita of physics and electrical engineering at the MIT, fundamental discoveries on carbon nanotubes, graphene and layered materials

And more: Sandrine Heutz - Using molecules for the devices of tomorrow Laura Bovo - Magnetism in two dimensions Andrea C. Ferrari - discoveries on graphene, nanotubes, diamond-like carbon, and nanowires for applications in electronics and photonics.

How can we use nanomaterials? In which applications?

Examples of existing applications: Damascus steel Flexible electronics Quantum dot display: Samsung SUHD Quantum Dot Display

Nanotechnology inspired by nature: the lotus effect https://www.youtube.com/watch?v=HF4blivJQ6o

Ferrofluid https://www.youtube.com/watch?v=C8wP7-WVSzo https://www.youtube.com/watch?v=mQyDiDxvKmc

Experiment: Non-Newtonian fluid What we need: *Potato starch/ corn Starch (About as much water as you are using) *Water *Bowl, measure cup * spoon, stick, stirring rod (or anything to stir with)

How it work? Does it applied? Application: Bulletproof vests https://www.youtube.com/watch?v=VH3fmxYamqM

How nanomaterials can help people? How can be used against people? Nanomaterials help people Nanomaterials against people

Homework: Preparing poster or making a film about real-life applications of new materials.