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Title: High efficiency organic photovoltaic cells employing hybridized mixed-planar heterojunctions

Abstract

A device is provided, having a first electrode, a second electrode, and a photoactive region disposed between the first electrode and the second electrode. The photoactive region includes a first photoactive organic layer that is a mixture of an organic acceptor material and an organic donor material, wherein the first photoactive organic layer has a thickness not greater than 0.8 characteristic charge transport lengths; a second photoactive organic layer in direct contact with the first organic layer, wherein the second photoactive organic layer is an unmixed layer of the organic acceptor material of the first photoactive organic layer, and the second photoactive organic layer has a thickness not less than about 0.1 optical absorption lengths; and a third photoactive organic layer disposed between the first electrode and the second electrode and in direct contact with the first photoactive organic layer. The third photoactive organic layer is an unmixed layer of the organic donor layer of the first photoactive organic layer and has a thickness not less than about 0.1 optical absorption lengths.

Inventors:
; ; ;
Issue Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1210224
Patent Number(s):
9,112,164
Application Number:
14/068,430
Assignee:
The Trustees of Princeton University (Princeton, NJ)
DOE Contract Number:  
AC36-99GO10337
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Oct 31
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY

Citation Formats

Xue, Jiangeng, Uchida, Soichi, Rand, Barry P., and Forrest, Stephen. High efficiency organic photovoltaic cells employing hybridized mixed-planar heterojunctions. United States: N. p., 2015. Web.
Xue, Jiangeng, Uchida, Soichi, Rand, Barry P., & Forrest, Stephen. High efficiency organic photovoltaic cells employing hybridized mixed-planar heterojunctions. United States.
Xue, Jiangeng, Uchida, Soichi, Rand, Barry P., and Forrest, Stephen. Tue . "High efficiency organic photovoltaic cells employing hybridized mixed-planar heterojunctions". United States. https://www.osti.gov/servlets/purl/1210224.
@article{osti_1210224,
title = {High efficiency organic photovoltaic cells employing hybridized mixed-planar heterojunctions},
author = {Xue, Jiangeng and Uchida, Soichi and Rand, Barry P. and Forrest, Stephen},
abstractNote = {A device is provided, having a first electrode, a second electrode, and a photoactive region disposed between the first electrode and the second electrode. The photoactive region includes a first photoactive organic layer that is a mixture of an organic acceptor material and an organic donor material, wherein the first photoactive organic layer has a thickness not greater than 0.8 characteristic charge transport lengths; a second photoactive organic layer in direct contact with the first organic layer, wherein the second photoactive organic layer is an unmixed layer of the organic acceptor material of the first photoactive organic layer, and the second photoactive organic layer has a thickness not less than about 0.1 optical absorption lengths; and a third photoactive organic layer disposed between the first electrode and the second electrode and in direct contact with the first photoactive organic layer. The third photoactive organic layer is an unmixed layer of the organic donor layer of the first photoactive organic layer and has a thickness not less than about 0.1 optical absorption lengths.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {8}
}

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