Getting Power from Plastic – Solar Power Generation Using Blends of Organic Polymers and Nanostructures. By Dave Black and Shashi Paul. Solar Power. World energy demand increasing Photovoltaics currently <1% Two types Conventional Semiconductor (CSC) Excitonic Semiconductor (XSC).
By Dave Black and Shashi Paul
Encapsulation Blends of Organic Polymers and Nanostructures
Bottom ContactCSC Device Structure
Typical 1st and 2nd generation CSC solar cell structure
3rd generation CSC multijunction
Al/Ag electrode Blends of Organic Polymers and Nanostructures
Exciton blocking layer
Transparent SubstrateXSC Device Structure
Typical organic heterojunction solar cell structure.
The Voltaic Generator, by New York-based Voltaic Systems, is the first solar bag powerful enough to charge a laptop. Photograph: PR
Debye length defined as:
The scale over which mobile charge carriers screen out electric fields
As LD increases so does charge separation.
Increase in relative permittivity with increasing concentration of barium titanate with phosphonic acid ligand.
Increase in photo-conductivity in light and dark conditions for polymers with and without “novel” material.
Incorporating Nanostructures: Blends of Organic Polymers and Nanostructures
Improve the number of incident photons captured by the solar cell
Improve the number and type of excitons produced from incident photons
Increase the exciton diffusion length
Increase the number and quality of interfacial boundariesFuture Work in EMTERC
Active polymer matrix