The impact of driving force on electron transfer rates in photovoltaic donor-acceptor blends

© 2015 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 27(2015), 15 vom: 17. Apr., Seite 2496-500
1. Verfasser: Ward, Alexander J (VerfasserIn)
Weitere Verfasser: Ruseckas, Arvydas, Kareem, Mohanad Mousa, Ebenhoch, Bernd, Serrano, Luis A, Al-Eid, Manal, Fitzpatrick, Brian, Rotello, Vincent M, Cooke, Graeme, Samuel, Ifor D W
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article PTB7 charge generation excitonic solar cells reorganization energy
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520 |a The effect of acceptor energy level on electron transfer rate in blends of the polymer solar-cell material poly[[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b']dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl]] (PTB7) is studied using time-resolved fluorescence. Fast electron transfer in less than 2 ps is observed for a driving force between 0.2 and 0.6 eV and the electron transfer is slower outside this range. This dependence is described by Marcus theory with a reorganization energy of ≈0.4 eV 
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700 1 |a Ruseckas, Arvydas  |e verfasserin  |4 aut 
700 1 |a Kareem, Mohanad Mousa  |e verfasserin  |4 aut 
700 1 |a Ebenhoch, Bernd  |e verfasserin  |4 aut 
700 1 |a Serrano, Luis A  |e verfasserin  |4 aut 
700 1 |a Al-Eid, Manal  |e verfasserin  |4 aut 
700 1 |a Fitzpatrick, Brian  |e verfasserin  |4 aut 
700 1 |a Rotello, Vincent M  |e verfasserin  |4 aut 
700 1 |a Cooke, Graeme  |e verfasserin  |4 aut 
700 1 |a Samuel, Ifor D W  |e verfasserin  |4 aut 
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