MSH 2012 - Mathematics for Semiconductor Heterostructures
Berlin - September 27, 2012
Multiscale Modeling of Heterojunct...
Summary
Organic solar cells - A brief introduction
Mathematical model and multiscale approach
Numerical results
Be...
cial retina
Matteo Porro - Multiscale Modeling of Heterojunction Organic Photovoltaic Devices 2/22
Organic solar cells - Operating principles
Heterostructure of two
materials
Good absorption properties
Thin,
exibl...
Organic solar cells - Internal morphologies
Transparent electrode
Acceptor
Metal electrode
Donor
Bulk heterojunction ...
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
porro_msh_2012
of 22

porro_msh_2012

Published on: Mar 4, 2016
Source: www.slideshare.net


Transcripts - porro_msh_2012

  • 1. MSH 2012 - Mathematics for Semiconductor Heterostructures Berlin - September 27, 2012 Multiscale Modeling of Heterojunction Organic Photovoltaic Devices Matteo Porro Dipartimento di Matematica Francesco Brioschi" Politecnico di Milano, Italy Center for Nano Science and Technology @PoliMi Istituto Italiano di Tecnologia, Italy email: matteo.porro@mail.polimi.it web: www1.mate.polimi.it/porro
  • 2. Summary Organic solar cells - A brief introduction Mathematical model and multiscale approach Numerical results Beyond OSCs - Light harvesting capacitor and arti
  • 3. cial retina Matteo Porro - Multiscale Modeling of Heterojunction Organic Photovoltaic Devices 2/22
  • 4. Organic solar cells - Operating principles Heterostructure of two materials Good absorption properties Thin, exible and transparent Low Eciency Transparent electrode Donor Acceptor + Metal electrode + hυ 1. Photon absorption _ _ + _ Di usion Geminate pair Exciton 2. Exciton formation 3. Exciton diusion to the interface 4. Bounded pair formation 5. Dissociation into free charges 6. Charge transport to the electrodes Matteo Porro - Multiscale Modeling of Heterojunction Organic Photovoltaic Devices 3/22
  • 5. Organic solar cells - Internal morphologies Transparent electrode Acceptor Metal electrode Donor Bulk heterojunction (BHJ) + High contact area, increased dissociation + Easy to process

Related Documents