Part I. Background
They were named followed the great American architect ---Richard Buckminster Fuller
Buckminster Fuller’s Dome
Part II. Preparation
II. Preparation of Fullerenes
• Evaporation of Carbon
Laser ablation Arc evaporation Laser-Furnace Method
• Incomplete Combustion of Hydrocarbon
• Pyrolysis of Suitable Precursors • Chemical Synthesis ห้องสมุดไป่ตู้ Formation under Ambient Conditions
Part III. Properties
Ⅲ. Physicochemical Properties of C60 and C70
• Molecular Structure Evidence
– Chemically Stable – Hückel molecular orbital – IR – Solubility – 13C NMR
---
-E. Oberdorster, Environ Health Perspect, 2004
• Protective Modification
C60
C60(OH)20
Part IV. Progress and Applications
3. Catalyst
FeC60(CH3)5C5H5
A catalyst for hydroformylation
V. Inspiration
• Never give up any reproducible abnormal phenomena
• Achievements is proportional to your efforts, not like a door, which will tell you what’s new in it-------by Curl
Part I. Background
The Cluster Generator – AP2
Part I. Background
The Original Mass Spectroscopy
3) C60 huge 4) C70 also
Part I. Background
The Original Mass Spectroscopy
C60 + O3 C60O3 C60O + O2
Part IV. Progress and Applications
IV. Progress and applications of Fullerenes
1. Superconductor 2. Biological applications 3. Catalyst 4. Quantum computation 5. Others
• Crystalline Structure • Chemical properties
Part III. Properties
Chemically Stable
The Hückel molecular orbital
Part III. Properties
IR Spectrum of C60
• Antioxidants and Neuroprotective agents
• Contrast agents
Part IV. Progress and Applications
Biological applications
• Attack on the Brain of
Juvenile
Largemouth Bass
Part IV. Progress and Applications
1. Superconductor
Part IV. Progress and Applications
2. Biological applications
• HIV Protease Inhibitor
• Selective DNA Cleavage
4. Quantum computer
N@C60 and its ESR signal
Much faster and smaller than usual
Part IV. Progress and Applications
5. Other applications
Organic ferromagnet ----cheap and well performing STM tips ----high resolution
• Every thing has its drawbacks, no one is faultless
Part III. Properties
13C NMR Profiles
Part III. Properties
The crystalline structure
FCC structure
Decreasing Temperature
Part III. Properties
The crystalline structure
Curl R. F. (U.S., 1933--)
Kroto H. W.
Smalley R. E.
(U.K., 1939--) (U.S., 1943--2005)
Part I. Background
The first Mass Spectrum related to C60 obtained by Exxon
A supermolecule composed by fullerene It may be useful in the Ammonia Synthesis
M@C60 M: transition metal
M is impossible to be washed away.
Part IV. Progress and Applications
Molecular ball bearing ----C60F60 is especially good for this function New luminous materials ----M@C60 M may be the lanthanon metal element, e.g. Yu
Part V. Inspiration
• Part IV. The progress and applications of C60, C70 and their derivatives
• Part V. Inspirations
Part I. Background
Fullerenes were firstly discovered in 1985, by
Main Progress in Fullerene Chemistry
Outline
• Part I. Background: the discovery of the Fullerenes
• Part II. The Preparation of Fullerenes
• Part III. The physicochemical properties of C60 and C70
Simply Cubic structure
Part III. Properties
STM Images
35*35Å
Part III. Properties
Chemical Properties
The chemical inertia is relative
Oxidation Addition reaction Polymerization (oligomerization) Amination Free radical reaction Reaction with metal