Harvesting Photons With Carbon Nanotubes

(Kamat, P 2006)

US Energy Consumption by Energy Source, 2009

World Marketed Energy Use by Fuel Type1990 – 2035 (Quadrillion Btu)

Major Obstacles for PEC and PVs

Expense Efficiency

Photochemical Cell Basics

Carbon Nanotubes (Kamat)

SWNTs

SCCNTs

Photocell/Nanotube Assembly (EPD)

Photocell/Nanotube Assembly (EPD)

Photocell/Nanotube Strategies

Strategy One Strategy Two

Photocell/Nanotube Strategies

Strategy One Direct Excitation

Photocell/Nanotube Strategies

Strategy One Pump-Probe

Strategy One Results

SCCNTsSWNTs

Strategy Two

Photocell/Nanotube Strategies

NT Scaffolds

Strategy Two

Photocell/Nanotube Strategies

CdS Composite

Strategy Two

Photocell/Nanotube Strategies

Porphyrin Composite

NT Future Strategies?

SCCNTs•CdS•Porphyrin

EPD Procedure

Thanks!Kamat P.V.Harvesting photons with carbon nanotubes(2006) Nano Today, 1 (4), pp. 20-27.

Tritt, T.Thermoelectrics: Direct Solar Thermal Energy Conversion(April 2008) MRS Bulletin, (33), pp. 366-368.

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