Advanced Materials (FRG) 2012-12-04

Triplet exciton dissociation in singlet exciton fission photovoltaics.

Priya J Jadhav, Patrick R Brown, Nicholas Thompson, Benjamin Wunsch, Aseema Mohanty, Shane R Yost, Eric Hontz, Troy Van Voorhis, Moungi G Bawendi, Vladimir Bulović, Marc A Baldo

文献索引：Adv. Mater. 24(46) , 6169-74, (2012)

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摘要

Triplet exciton dissociation in singlet exciton fission devices with three classes of acceptors are characterized: fullerenes, perylene diimides, and PbS and PbSe colloidal nanocrystals. Using photocurrent spectroscopy and a magnetic field probe it is found that colloidal PbSe nanocrystals are the most promising acceptors, capable of efficient triplet exciton dissociation and long wavelength absorption.Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.