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Open Access Theses & Dissertations

Density functional theory

2014

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Electronic Structure And Charge Transfer Excited States Of Endohedral Fullerene Containing Electron Donor-Acceptor Complexes Utilized In Organic Photovoltaics, Fatemeh Amerikheirabadi Jan 2014

Electronic Structure And Charge Transfer Excited States Of Endohedral Fullerene Containing Electron Donor-Acceptor Complexes Utilized In Organic Photovoltaics, Fatemeh Amerikheirabadi

Open Access Theses & Dissertations

Organic Donor &ndash Acceptor complexes form the main component of the organic photovoltaic devices (OPVs). The open circuit voltage of OPVs is directly related to the charge transfer excited state energies of these complexes. Currently a large number of different molecular complexes are being tested for their efficiency in photovoltaic devices. In this work, density functional theory as implemented in the NRLMOL code is used to investigate the electronic structure and related properties of these donor &ndash acceptor complexes. The charge transfer excitation energies are calculated using the perturbative delta self &ndash consistent field method recently developed in our group ...