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  Efficient light harvesting in a photovoltaic diode composed of a semiconductor conjugated copolymer blend

Russell, D. M., Arias, A. C., Friend, R. H., Silva, C., Ego, C., Grimsdale, A. C., et al. (2002). Efficient light harvesting in a photovoltaic diode composed of a semiconductor conjugated copolymer blend. Applied Physics Letters, 80(12), 2204-2206.

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 Creators:
Russell, D. M., Author
Arias, A. C., Author
Friend, R. H., Author
Silva, C., Author
Ego, C.1, Author           
Grimsdale, Andrew C.1, Author           
Müllen, Klaus1, Author           
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              

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 Abstract: We explore charge generation and recombination kinetics quantitatively in a model polymeric semiconductor ternary system. Resonance energy transfer from a polyfluorene copolymer backbone to perylene-substituted side chains selectively excites the dye. In a blend with an alkoxy-substituted poly-p- phenylenevinylene, photoinduced charge transfer is observed. A comparison of picosecond time scale and quasisteady-state charge generation efficiencies allows measurement of the fraction of charges that survive rapid geminate recombination. This simple procedure allows the unraveling of the role played by recombination kinetics in the device. (C) 2002 American Institute of Physics.

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Language(s): eng - English
 Dates: 2002-03-25
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: No review
 Identifiers: eDoc: 28536
ISI: 000174498700054
Other: P-02-67
 Degree: -

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Title: Applied Physics Letters
  Alternative Title : Appl. Phys. Lett.
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 80 (12) Sequence Number: - Start / End Page: 2204 - 2206 Identifier: ISSN: 0003-6951