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BESAC Meeting November 14 – 15, 2001 The Molecular Foundry Lawrence Berkeley National Laboratory Response to BESAC Questions Daniel Chemla Advanced Light Source & Materials Sciences Division, LBNL Department of Physics, UC Berkeley BESAC Questions Nano  Macro

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BESAC Meeting November 14 – 15, 2001

The Molecular Foundry

Lawrence Berkeley National Laboratory

Response to BESAC Questions

Daniel Chemla

Advanced Light Source & Materials Sciences Division, LBNL

Department of Physics, UC Berkeley


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BESAC Questions

  • Nano  Macro

  • Relations to the “Energy” mission of BES

  • Private Sector contact, interest and support

  • Workload of Molecular Foundry management

  • Leverage


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Nanotube Junction

In situ mechanical test in the TEM to measure the strength of a 12-nm thick carbon nanotube

Great for research, but not scalable !!!!

Currently: Nano  Micro  Macro


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C.

B.

A.

A self-assembled 2D lattice with alternating rows of hairpins, with restriction site, and 4 nm nanocrystals.

After using a restriction enzyme.

D.

Vertical and horizontal self-assembly of the linking tiles in the second layer using matching hairpins that have been restricted to match the sticky ends remaining on the lattice surface.

E.

Horizontal assembly of the remaining tiles

not directly connected to the previous lattice.

The darker nanocrystals would be made of

material suitable for bits.

The fully assembled lattice, after annealing to finish making the conducting wires.

Scenario for integrated self assembly of

logic device systems


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First Steps Toward Functional Systems of Nano-building Units

DNA directed assemblies of 5nm and 10nm Gold nanocrystals.


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Vortex pattern of CdSe rods

Spontaneous Assembly of

Ribbons of Magnetic Nanorods

Inorganic Nano-Crystals: Self Assembly & Organization


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CdSe

P3HT

Current (mA)

spheres

e-

S

rods

n

Nano-rod/P3HT Blends

Nonlinearity & Function

h+

Voltage (V)

Rods: 3 x 60 nm

At 514 nm and 25 W/m2 : QE=26 %, Voc = 0.70V

Fill Factor=0.58, Power Eff.=4.5 %

Soft & Hard Matter Synergy: First Steps toward functional systems hybrid CdSe nm-Xtals/Conducting-polymer Photovoltaic


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Tomorrow: Photosynthesis  Photovoltaic Cell

Light Harvesting

Dendrimer

DNA Oligomer

Acceptor

Phorphyrin

Organic/Inorganic

Linker

CdSe NanoXal

“Storage”


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100 nm

k1 = 0.75

The CXRO Nano-writer

90 nm

k1 = 0.67

80 nm

k1 = 0.60

70 nm

k1 = 0.52

90 nmcontact holes

70 nmcontact holes

Industry Interaction: CXRO EUV Lithography Program


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Fluorescent microscope image of living 3T3 fibroblast cells labeled with CdSe nanocrystals.

Current Private Sector Interaction

  • On Going Industrial Collaboration:

    Intel, IBM, AMD, Motorola, Seagate, Advanced Materials, HP, Dupont, Dow Chemical, Novartis, Exponent, Q-Dot, CibaVision, Shipley etc.


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Private Sector Interest & Future Interaction labeled with CdSe nanocrystals.

I wish you good luck in the upcoming reviews of your proposal. You can be sure that when you open, we will be among the first to come knocking at your door.

Hans Coufal

Manager Science and Technology

IBM Almaden Research Center


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Lawrence Berkeley National Laboratory labeled with CdSe nanocrystals.

C. V. Shank

Director

Collaborators:

Academia,

Government Labs,

Industry

Materials Sciences Division

D. S. Chemla

Director

Scientific Advisory Committee

Molecular Foundry

A. P. Alivisatos

TBD Dep. Director

Proposal Study Panel

Education Training Office

Inorganic Nanostructures Synthesis

A.P. Alivisatos

Facility Director

TBD

Lead Scientist

Nanofabrication

J. Bokor

Facility Director

TBD

Lead Scientist

Organic/Bio-Synthesis

J.M.J. Fréchet

Facility Director

TBD

Lead Scientist

Cell Culture

C. Bertozzi

Facility Director

TBD

Lead Scientist

Imaging, Characterization

M. Salmeron

Facility Director

TBD

Lead Scientist

Theory,

S.G. Louie

Facility Director

TBD

Lead Scientist

Molecular Foundry: Organization


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Molecular Foundry: Leverage labeled with CdSe nanocrystals.

An investment in the Molecular Foundry will

provide facility and expertise to at least 300

research groups (funded by all agencies) per year.

This will spare the expense and time of each group setting up its own capability.

In addition it will disseminate know-how and state of the art techniques to research institutions across the USA.


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